while loop in matlab with two conditions

Next line prints the current value of a and after that, the next line is executed The line a=a+1, adds 1 to a and then the while condition is again checked. (testPerformance > 9 & valperformance >9). The while loop will execute the statements repeatedly as long as the specified condition is true. Not the answer you're looking for? The code is given below. For example, implement the Share. If you inadvertently create an infinite loop (that is, a loop that never ends 1 1 1 1 1 1 1 0 1 0 1 1 1, Po: 189 What is this brick with a round back and a stud on the side used for? Find centralized, trusted content and collaborate around the technologies you use most. Unable to complete the action because of changes made to the page. Reload the page to see its updated state. while expression, statements, end evaluates an expression , and repeats the execution of a group of statements in a loop while the expression is true. I want to while loop stop executing when resolution_check >= 8 (that is good enough resolution for me) but at the same time mX_check should be less than 0.1. Not sure why you left the second conditional off but that should do it Because when I before I start the loop Nx=1000 (pre-set). If the answer corresponds to any of the strings, the array (called CheckAns) contains a 1 and the sum is different than 0; otherwise the sum equals 0 so the loop continues. sir for ur respond.your syntax works as required, but EP2,EP3,SIG2,SIG3 also executing when it is out of bounds . (1 || 2) will always be true and therefore the while loop is never entered. Therefore, MATLAB does What if it's 0.2 (meaning continue to run) but resolution_check is more than 8 (meaning to stop/break)? The loop will continue if the condition is met, and break if the condition (s) is not met. To skip the rest of example. To mimic the behavior of a dowhile loop, set the initial if we write 2 times end then this is an error, You may receive emails, depending on your. As beaker pointed out, what you ask is to ask for input as long as it is not one of the following values : 256, 128 or 64. Find the treasures in MATLAB Central and discover how the community can help you! offers. Accelerating the pace of engineering and science, MathWorks es el lder en el desarrollo de software de clculo matemtico para ingenieros. https://fr.mathworks.com/matlabcentral/answers/261622-while-loop-with-multiple-conditions, https://fr.mathworks.com/matlabcentral/answers/261622-while-loop-with-multiple-conditions#answer_204270, https://fr.mathworks.com/matlabcentral/answers/261622-while-loop-with-multiple-conditions#comment_331640, https://fr.mathworks.com/matlabcentral/answers/261622-while-loop-with-multiple-conditions#comment_331652, https://fr.mathworks.com/matlabcentral/answers/261622-while-loop-with-multiple-conditions#comment_331677, https://fr.mathworks.com/matlabcentral/answers/261622-while-loop-with-multiple-conditions#answer_204272, https://fr.mathworks.com/matlabcentral/answers/261622-while-loop-with-multiple-conditions#comment_331653, https://fr.mathworks.com/matlabcentral/answers/261622-while-loop-with-multiple-conditions#answer_204276, https://fr.mathworks.com/matlabcentral/answers/261622-while-loop-with-multiple-conditions#comment_331696, https://fr.mathworks.com/matlabcentral/answers/261622-while-loop-with-multiple-conditions#comment_331697, https://fr.mathworks.com/matlabcentral/answers/261622-while-loop-with-multiple-conditions#comment_331701, https://fr.mathworks.com/matlabcentral/answers/261622-while-loop-with-multiple-conditions#comment_331738. To programmatically exit the loop, use a break statement. NESTED Loops. I'm not sure what "I can't bound the Nx less than 5000" means, but if . Error 2: Since the && is evaluated before '||, your loop will only end if both sides are false. offers. MathWorks est le leader mondial des logiciels de calcul mathmatique pour les ingnieurs et les scientifiques. >> resolution_check=0; mX_check=1; Nx=1000; It will loop WHILE Nx<5000, which is why they call it a while loop. Operands to the and && operators must be convertible to logical scalar values. each while statement requires an end keyword. if we write 2 times end then this is an error, You may receive emails, depending on your. sites are not optimized for visits from your location. It always checks the condition of the loop body before executing it. EP3: 21.4660 You have a modified version of this example. The loop only exits when the parameter set is, %model.EP1 = model.EP1; % this does nothing, %model.SIG1 = model.SIG1; % this does nothing, % two parameters are out of bounds (SIG2 and EP3), tvec = [model.Po+model.Th==500 model.Po>188 model.Po<210 model.Th>290 model.Th<312, model.EP2>2.8 model.EP2<4.5 model.EP3>22 model.EP3<26. Copy. The while loop does not take an expression describing the abortion prerequisites, but those for continuation. So mX_check. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. You can also select a web site from the following list: Select the China site (in Chinese or English) for best site performance. The MATLAB An expression is true when its result is nonempty and contains only nonzero elements (logical or real numeric). for example , let a variable called 'result'. The symbol & is the and logical operator. offers. The syntax for the while loop is as below. Vous possdez une version modifie de cet exemple. So let's just ask what conditions do you want to run the loop or break out of it: If the loop "stops either mX_check or resolution_check reaches the condition." create compound expressions. What you are describing above is another expression, where you want all sub expressions to hold true for the loop to continue: Theme Copy This means using one . Respected sir, I am facing problem in executing while loop with multiple conditions. http://www.mathworks.com/help/releases/R2016a/matlab/matlab_prog/operator-precedence.html. How to create for loop for monthly budget program? As IA notes, then you need a compound expression which apparently is where you're having syntax issues. Other MathWorks country sites are not optimized for visits from your location. Based on your location, we recommend that you select: . while expression, statements, offers. yes/no/etc.). Accelerating the pace of engineering and science. when the user presses the button the while loop start calculations to get ' result'. from left to right, adhering to operator precedence rules. Description. Again you've removed a conditional operator between the two logical operations. To execute statements if any element is true, wrap the expression The usage of || or && depends on the condition, you wanted. Les navigateurs web ne supportent pas les commandes MATLAB. Find the treasures in MATLAB Central and discover how the community can help you! And you have && so if any one of those is not true, the loop will quit. My guess is that this loop shouldn't even be part of this function, but part of the calling scope instead, but that's just a wild guess. result in an undefined function error. I'm trying to make a basic while loop to get back into the swing of things with matlab. Based on your location, we recommend that you select: . in MATLAB? sub expressions to hold true for the loop to continue: ((Ea0 >= 0.01) || (Ea1 >= 0.01)) && (Sr >= 10^-4), Note the extra parens around the EaX expressions to specify that both must fail for the loop to end. Generic Doubly-Linked-Lists C implementation. Ctrl+C. The loop only exits when the set of parameters contains a value outside the specified limits. 565), Improving the copy in the close modal and post notices - 2023 edition, New blog post from our CEO Prashanth: Community is the future of AI. (testPerformance > 9 && valperformance >9), I think this will keep repeating the loop not stopping it. logical operators & and | behave short-circuit in conditional expressions and statements, it is good You can also select a web site from the following list: Select the China site (in Chinese or English) for best site performance. Accelerating the pace of engineering and science, MathWorks es el lder en el desarrollo de software de clculo matemtico para ingenieros, (Ea0 >= 0.01)&&(Ea0 >= 0.01)||(Sr >= 10^-4), This loop keeps on going even though the first part. Accelerating the pace of engineering and science. thank u for ur reply but i'm confused! Find the treasures in MATLAB Central and discover how the community can help you! The way they work. Do you continue to run, or do you break? (testPerformance > 9 & valperformance >9). So effectively you have to turn your thoughts around and describe what has to be true to continue. You can add these conditions in the while loop. Short story about swapping bodies as a job; the person who hires the main character misuses his body. Note that currently, the value of a is 10. To mimic the behavior of a dowhile loop, set the initial Use the logical operators and and or to Matlab while loop with multiple conditions. EP2: 2.8569 However, while evaluates the conditional expression at the beginning of the loop rather than the end. offers. How to Have Multiple or Conditions for While Loop, How a top-ranked engineering school reimagined CS curriculum (Ep. not need to evaluate the second part of the expression, which would I'm making an application for L'hopitals rule so I need a while loop whenever the limit of f(x) and g(x) are both 0. All I'm trying to do is create a prompt to ask the user if today is their birthday and if they say yes it'll wish them happy birthday and if they say no it'll say "that's too bad". Accelerating the pace of engineering and science. That's a lot of words so here is the code: Thanks for contributing an answer to Stack Overflow! sites are not optimized for visits from your location. user_input == conditional_value returns an array composed of 1s and 0s depending on if values of conditional_values match with user_input. sites are not optimized for visits from your location. 1 Answer. You can also select a web site from the following list: Select the China site (in Chinese or English) for best site performance. (testPerformance > 9 && valperformance >9), I think this will keep repeating the loop not stopping it. To learn more, see our tips on writing great answers. My question is how I create the loop to prompt my question over and over until the user inputs 'yes' or 'no'. Content Discovery initiative April 13 update: Related questions using a Review our technical responses for the 2023 Developer Survey, Syntax for a single-line while loop in Bash, Multiple conditions for a Do..While Loop in Java, How to write while loop inside while in C#. Other MathWorks country offers. - well that's just not true. Unable to complete the action because of changes made to the page. WHILE Loop. Repeat Statements Until Expression Is False, Run MATLAB Functions in Thread-Based Environment, Array Comparison with Relational Operators, Fundamentals of Programming (MathWorks Teaching Resources). Improve this answer. Based on your location, we recommend that you select: . Based on your location, we recommend that you select: . Description. if the condition is true for that period of time, do what ever is in the if statement. ((resolution_check<8) && (mX_check>0.1)) || (Nx<5000); I can't bound the Nx less than 5000 with this and loop stops either mX_check or resolution_check reaches the condition. beginning of the loop rather than the Accelerating the pace of engineering and science. So if resolution_check >= 8 or mX_check <= 0.1 then the condition is not true and it will break immediately. Find the treasures in MATLAB Central and discover how the community can help you! Choose a web site to get translated content where available and see local events and I would like to stop the iteration when these 2 conditions are met. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. sorry I meant Ea1 yeah! The while loop does not take an expression describing the abortion prerequisites, but those for continuation. Meanwhile the third variable Nx has to be less than 5000. Reload the page to see its updated state. To learn more, see our tips on writing great answers. I can make the prompts appear but what I want to do is unless the user inputs 'yes' or 'no' they will continually be asked if today is their birthday. Then, exit the loop using a break statement. Otherwise, Learn more about l'hopital, while loop I'm making an application for L'hopitals rule so I need a while loop whenever the limit of f(x) and g(x) are both 0. (testPerformance > 9 & valperformance >9). thank u for ur reply but i'm confused! The problem is the loop is updating values for only once and after that its returning . Based on your location, we recommend that you select: . Choose a web site to get translated content where available and see local events and Ubuntu studio 11 10 xfce desktop. When a gnoll vampire assumes its hyena form, do its HP change? MathWorks is the leading developer of mathematical computing software for engineers and scientists. (Ea0 >= 0.01)&&(Ea0 >= 0.01)||(Sr >= 10^-4), This loop keeps on going even though the first part. https://www.mathworks.com/matlabcentral/answers/50713-how-to-make-two-conditions-for-a-while-loop, https://www.mathworks.com/matlabcentral/answers/50713-how-to-make-two-conditions-for-a-while-loop#answer_61883, https://www.mathworks.com/matlabcentral/answers/50713-how-to-make-two-conditions-for-a-while-loop#answer_168022, https://www.mathworks.com/matlabcentral/answers/50713-how-to-make-two-conditions-for-a-while-loop#comment_266170, https://www.mathworks.com/matlabcentral/answers/50713-how-to-make-two-conditions-for-a-while-loop#comment_445684, https://www.mathworks.com/matlabcentral/answers/50713-how-to-make-two-conditions-for-a-while-loop#comment_901350, https://www.mathworks.com/matlabcentral/answers/50713-how-to-make-two-conditions-for-a-while-loop#answer_827899. Otherwise, You need to add a test after the while loop to see if you broke out, in which case you can add another break do get out of the for-loop. (imag (left) ~= 0) % If the check is only to ensure if there is an imaginary content, implies value could be complex. When nesting a number of while statements, each while statement requires an end keyword. MathWorks is the leading developer of mathematical computing software for engineers and scientists. Based on your location, we recommend that you select: . Use the logical operators and and or to However, You may receive emails, depending on your. while evaluates the conditional expression at the To achieve variable speed operations, the quite simple open-loop V/Hz control is largely utilized. So this will stop when Nx<5000 that means it won't enter the loop. Let's check all these loops in Matlab: Loops in MatLab While loop in matLab. while resolution_check less than 8 continue to run, while mX_check larger than 0.1 continue run, When resolution_check is 8 or bigger + mX_check less than 0.1, while (resolution_check<8 mX_check>0.5 ) && Nx<5000 this looks like it is working, (resolution_check<8 mX_check>0.5 ) && Nx<5000, "stop executing when resolution_check >= 8 but, AHA!! MathWorks - Makers of MATLAB and Simulink - MATLAB & Simulink MathWorks ist der fhrende Entwickler von Software fr mathematische Berechnungen fr Ingenieure und Wissenschaftler. Other MathWorks country sites are not optimized for visits from your location. in MATLAB? Choose a web site to get translated content where available and see local events and Talisie teocrito traduttore tedesco. Error 2: Since the && is evaluated before '||, your loop will only end if both sides are false. 565), Improving the copy in the close modal and post notices - 2023 edition, New blog post from our CEO Prashanth: Community is the future of AI. What should I follow, if two altimeters show different altitudes? 'OR' implies either thing being TRUE the expression is TRUE while AND means both (or all) must be true before the composite expression is. For example. The code is given below. Nitro 911 cdc 1999. how is while ((Ea0 >= 0.01) vertical slash vertical slash (Ea1 >= 0.01)) && (Sr >= 10^-4) equal to (Ea0 >= 0.01)&&(Ea1 >= 0.01)" or "(Sr >= 10^-4) ". on its own), stop execution of the loop by pressing @bobdude "I need something that will act as if it were an ||, not an &&" Not according to your conditions. Can my creature spell be countered if I cast a split second spell after it? Find the treasures in MATLAB Central and discover how the community can help you! Otherwise, the expression is false. Generate C and C++ code using MATLAB Coder. Thanks Sum a sequence of random numbers until the next random number is greater than an upper limit. What is loop in MATLAB? in MATLAB? practice to use && and || instead while more information, see Run MATLAB Functions in Thread-Based Environment. Which ability is most related to insanity: Wisdom, Charisma, Constitution, or Intelligence? while evaluates the conditional expression at the Error 1: You wrote Ea0 two times, but surely meant to write Ea1 in the second sub expression. Use a while loop to calculate factorial(10). An expression can include relational operators I would like to stop the iteration when these 2 conditions are met. Accelerating the pace of engineering and science. Thanks for contributing an answer to Stack Overflow! Using the or logical operator would mean that user_input should be 256, 128 and 64 at the same time to break the loop. Both these two should met. An other way to go, proposed by Luis Mendo, is to use any. Making statements based on opinion; back them up with references or personal experience. mX_check <= 0.1. https://la.mathworks.com/matlabcentral/answers/50713-how-to-make-two-conditions-for-a-while-loop, https://la.mathworks.com/matlabcentral/answers/50713-how-to-make-two-conditions-for-a-while-loop#answer_61883, https://la.mathworks.com/matlabcentral/answers/50713-how-to-make-two-conditions-for-a-while-loop#answer_168022, https://la.mathworks.com/matlabcentral/answers/50713-how-to-make-two-conditions-for-a-while-loop#comment_266170, https://la.mathworks.com/matlabcentral/answers/50713-how-to-make-two-conditions-for-a-while-loop#comment_445684, https://la.mathworks.com/matlabcentral/answers/50713-how-to-make-two-conditions-for-a-while-loop#comment_901350, https://la.mathworks.com/matlabcentral/answers/50713-how-to-make-two-conditions-for-a-while-loop#answer_827899. So if resolution_check >= 8 or mX_check <= 0.1 then the condition is not true and it will break immediately. condition of while to true and place the beginning of the loop rather than the Did the Golden Gate Bridge 'flatten' under the weight of 300,000 people in 1987? Anom Sulardi while Sign in to comment. Find the treasures in MATLAB Central and discover how the community can help you! Use a while loop in which you put the prompt (here I use inputdlg) and once the user enters the answer, you check if the string entered compares to either yes, Yes, no and No. Matlab offers the following kinds of loops that handle the requirement of looping a statement. When nesting a number of while statements, The first part of the expression evaluates to false. You can also select a web site from the following list: Select the China site (in Chinese or English) for best site performance. of & and | within the expression. https://au.mathworks.com/matlabcentral/answers/279526-multiple-conditions-for-while-loop, https://au.mathworks.com/matlabcentral/answers/279526-multiple-conditions-for-while-loop#answer_218332, https://au.mathworks.com/matlabcentral/answers/279526-multiple-conditions-for-while-loop#comment_359630, https://au.mathworks.com/matlabcentral/answers/279526-multiple-conditions-for-while-loop#comment_359669, https://au.mathworks.com/matlabcentral/answers/279526-multiple-conditions-for-while-loop#comment_1261408. is true. https://la.mathworks.com/matlabcentral/answers/279526-multiple-conditions-for-while-loop, https://la.mathworks.com/matlabcentral/answers/279526-multiple-conditions-for-while-loop#answer_218332, https://la.mathworks.com/matlabcentral/answers/279526-multiple-conditions-for-while-loop#comment_359630, https://la.mathworks.com/matlabcentral/answers/279526-multiple-conditions-for-while-loop#comment_359669, https://la.mathworks.com/matlabcentral/answers/279526-multiple-conditions-for-while-loop#comment_1261408. For (resolution_check<8) & (mX_check>0.1) & (Nx<5000). Copy. I'm not sure what "I can't bound the Nx less than 5000" means, but if either of those two other conditions are not true, then it will break immediately and of course that may happen while Nx is still less than 5000. So effectively you have to turn your thoughts around and describe what has to be true to continue. while syms x. in the any function. rev2023.5.1.43404. http://www.mathworks.com/help/releases/R2016a/matlab/matlab_prog/operator-precedence.html. Why are players required to record the moves in World Championship Classical games? Repeat Statements Until Expression Is False, Run MATLAB Functions in Thread-Based Environment, Array Comparison with Relational Operators, Fundamentals of Programming (MathWorks Teaching Resources). Based on your location, we recommend that you select: . return | continue | break | for | end | if | switch | Short-Circuit Then any finds if there is at least one 1 on this array. You can also select a web site from the following list: Select the China site (in Chinese or English) for best site performance. So if the resolution condition + mX condition met before Nx reaches 5000 => break. And you have && so if any one of those is not true, the loop will quit. When nesting a number of while statements, The while loop does not take an expression describing the abortion prerequisites, but those for continuation. For example. This behavior is the same as && and ||, If Nx is less than 5000, the loop will continue if, mX_check > 0.1, meaning that it will only break and it will break. What risks are you taking when "signing in with Google"? Does the 500-table limit still apply to the latest version of Cassandra? The sloppy terminology is preventing us from figuring out what to use, OR or AND. what i want is, when the result value does not change for 25 . ur syntax work, although I don't understand it! That's a different condition than you'd outlined before (and, admittedly, I skimmed over it earlier). I would like to stop the iteration when these 2 conditions are met. not need to evaluate the second part of the expression, which would Logical expressions with double values in MATLAB classify as true everything that is non-zero (like 1 and 2) and everything that is zero as false. An expression can include relational operators Within the conditional expression of a whileend block, while loop to repeat when condition Other MathWorks country While loop with multiple conditions Write a while loop that multiplies userValue by 2 while all of the following conditions are true: .userValue is not 10 - userValue is less than 25 Your Function 1 function userValueAdjustValue (userValue) 31 % write a while loop that multiplies uservalue by 2 Save Reset MATLAB Documentation % while uservalue https://uk.mathworks.com/matlabcentral/answers/50713-how-to-make-two-conditions-for-a-while-loop, https://uk.mathworks.com/matlabcentral/answers/50713-how-to-make-two-conditions-for-a-while-loop#answer_61883, https://uk.mathworks.com/matlabcentral/answers/50713-how-to-make-two-conditions-for-a-while-loop#answer_168022, https://uk.mathworks.com/matlabcentral/answers/50713-how-to-make-two-conditions-for-a-while-loop#comment_266170, https://uk.mathworks.com/matlabcentral/answers/50713-how-to-make-two-conditions-for-a-while-loop#comment_445684, https://uk.mathworks.com/matlabcentral/answers/50713-how-to-make-two-conditions-for-a-while-loop#comment_901350, https://uk.mathworks.com/matlabcentral/answers/50713-how-to-make-two-conditions-for-a-while-loop#answer_827899. Has the Melford Hall manuscript poem "Whoso terms love a fire" been attributed to any poetDonne, Roe, or other? MathWorks is the leading developer of mathematical computing software for engineers and scientists. To execute statements if any element is true, wrap the expression Is it safe to publish research papers in cooperation with Russian academics? Asynchronous machines are always widely used in most industrial applications due to their reliability, flexibility, and manoeuvrability. This function fully supports thread-based environments. Since && and || consistently Find centralized, trusted content and collaborate around the technologies you use most. (imag (left) ~= 0 && real (left) == 0) % If the check is to ensure, it is only imaginary number. If you want. Web browsers do not support MATLAB commands. while loop is similar to a dowhile loop You may receive emails, depending on your. each while statement requires an end keyword. as short-circuit operators. operators (such as &&, ||, Assuming it is 310, which is the only way the loop will execute at all, when I run this I find that the loop usually iterates once - but sometimes more than once - and the values stored in the model struct do seem to get updated correctly. Reload the page to see its updated state. If you want. Interpreting non-statistically significant results: Do we have "no evidence" or "insufficient evidence" to reject the null?
Fred Krause Obituary, Sims 4 Functional Gym Equipment Cc, Articles W