while loop in matlab with two conditions

NESTED Loops. Other MathWorks country 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. The while loop will execute the statements repeatedly as long as the specified condition is true. create compound expressions. Based on your location, we recommend that you select: . This behavior is the same as && and ||, It is an error when i try to run it. Con I do condition OR condition in a while loop? example. Hi there I am trying to impose a while loop with two conditions; Theme Copy while (L2normpercentold>=tol)&& (any (Diffpart1>0.0001)) However I get the following error; ??? Use a while loop to calculate factorial(10). And you have && so if any one of those is not true, the loop will quit. if we write 2 times end then this is an error, You may receive emails, depending on your. Find the treasures in MATLAB Central and discover how the community can help you! (testPerformance > 9 & valperformance >9). Otherwise, Then any finds if there is at least one 1 on this array. Put while x~=1 && x~=2. 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. Based on your location, we recommend that you select: . 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. offers. 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, While Loop with Multiple String Conditions Cannot Leave Loop, how to check two conditions in while loop ruby, Reading Graduated Cylinders for a non-transparent liquid. 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. Operands to the and && operators must be convertible to logical scalar values. while expression, statements, So mX_check. You can also select a web site from the following list: Select the China site (in Chinese or English) for best site performance. You can use it for multiple conditions in your while loop. from left to right, adhering to operator precedence rules. (testPerformance > 9 && valperformance >9), I think this will keep repeating the loop not stopping it. SIG2: 0.0073 Since && and || consistently MATLAB evaluates compound expressions loop. Tags while loop; Note that currently, the value of a is 10. while loop is similar to a dowhile loop the expression is true. Do you continue to run, or do you break? Count the number of lines of code in the file magic.m. each while statement requires an end keyword. I'm trying to make a basic while loop to get back into the swing of things with matlab. to understand how to move between the two thought models. For me one of the statement has to fail but it is not working like that. If the conditional expression evaluates to a matrix, MATLAB evaluates Choose a web site to get translated content where available and see local events and 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. '; user_input = input (prompt); end How to make two conditions for a while loop? - MATLAB Answers - MATLAB You may receive emails, depending on your. 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. What is this brick with a round back and a stud on the side used for? while loop to repeat when condition is true - MATLAB while - MathWorks You can also select a web site from the following list: Select the China site (in Chinese or English) for best site performance. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. (testPerformance > 9 & valperformance >9). Con I do condition OR condition in a while loop? An other way to go, proposed by Luis Mendo, is to use any. 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. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. 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. and repeats the execution of a group of statements in a loop while Use the logical operators and and or to if Nx reaches 5000 loop breaks no matter what resolution or mX are. I want the loop try to run and increase the resolution_check and decrease the mX_check to those levels as long as Nx is less than 5000. (imag (left) ~= 0) % If the check is only to ensure if there is an imaginary content, implies value could be complex. It is an error when i try to run it. in the any function. You may receive emails, depending on your. the expression is false. more information, see Run MATLAB Functions in Thread-Based Environment. Unable to complete the action because of changes made to the page. 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". Other MathWorks country The first part of the expression evaluates to false. Find the treasures in MATLAB Central and discover how the community can help you! of & and | within the expression. So if resolution_check >= 8 or mX_check <= 0.1 then the condition is not true and it will break immediately. This function fully supports thread-based environments. Accelerating the pace of engineering and science. Th: 311 The MATLAB It WILL enter the loop and keep going until Nx>=5000 or one of the other conditions fails. MathWorks est le leader mondial des logiciels de calcul mathmatique pour les ingnieurs et les scientifiques. Unable to complete the action because of changes made to the page. You can also select a web site from the following list: Select the China site (in Chinese or English) for best site performance. How to Have Multiple or Conditions for While Loop, How a top-ranked engineering school reimagined CS curriculum (Ep. How do I make a while loop iterate again if the condition has changed? MathWorks ist der fhrende Entwickler von Software fr mathematische Berechnungen fr Ingenieure und Wissenschaftler. The problem is the loop is updating values for only once and after that its returning the same value. You need the == equals. EP3: 21.4660 loop. yes/no/etc.). more information, see Run MATLAB Functions in Thread-Based Environment. Then, exit the loop using a break statement. Accelerating the pace of engineering and science. the instructions in the loop and begin the next iteration, use a continue statement. Which ability is most related to insanity: Wisdom, Charisma, Constitution, or Intelligence? When a gnoll vampire assumes its hyena form, do its HP change? in other programming languages, such as C and C++. Error 1: You wrote Ea0 two times, but surely meant to write Ea1 in the second sub expression. not need to evaluate the second part of the expression, which would To mimic the behavior of a dowhile loop, set the initial Therefore, can you please explain more about what you mean by, "The problem is the loop is updating values for only once and after that its returning the same value."? condition of while to true and place the Repeat Statements Until Expression Is False, Run MATLAB Functions in Thread-Based Environment, Array Comparison with Relational Operators, Fundamentals of Programming (MathWorks Teaching Resources). (Ea0 >= 0.01)&&(Ea0 >= 0.01)||(Sr >= 10^-4), This loop keeps on going even though the first part. Since && and || consistently Generic Doubly-Linked-Lists C implementation. (1 || 2) will always be true and therefore the while loop is never entered. And you have && so if any one of those is not true, the loop will quit. Let me tell you what happens during the loop. My question is how I create the loop to prompt my question over and over until the user inputs 'yes' or 'no'. Ubuntu studio 11 10 xfce desktop. but I think I am confused between (or) and && (and) . Find the treasures in MATLAB Central and discover how the community can help you! Why does Acts not mention the deaths of Peter and Paul? So if resolution_check >= 8 or mX_check <= 0.1 then the condition is not true and it will break immediately. Nx increases, resolution increases and mX decreases. Error 2: Since the && is evaluated before '||, your loop will only end if both sides are false. As IA notes, then you need a compound expression which apparently is where you're having syntax issues. So effectively you have to turn your thoughts around and describe what has to be true to continue. hey, i am trying to make an if statement nested in a while loop by having a condition anded with a time period. Connect and share knowledge within a single location that is structured and easy to search. Find the treasures in MATLAB Central and discover how the community can help you! 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. You can also select a web site from the following list: Select the China site (in Chinese or English) for best site performance. >> resolution_check=0; mX_check=1; Nx=1000; It will loop WHILE Nx<5000, which is why they call it a while loop. And you have && so if any one of those is not true, the loop will quit. 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. in MATLAB? dowhile loop above by using a MATLAB Games site template. and contains only nonzero elements (logical or real numeric). This behavior is the same as && and ||, in the any function. Respected sir, I am facing problem in executing while loop with multiple conditions. Making statements based on opinion; back them up with references or personal experience. While loop with multiple conditions - MATLAB Answers - MathWorks in MATLAB? You can also select a web site from the following list: Select the China site (in Chinese or English) for best site performance. Multiple conditions using while loop - MATLAB Answers - MATLAB Central An expression is true when its result is nonempty Choose a web site to get translated content where available and see local events and offers. 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. Based on your location, we recommend that you select: . This is ambiguous: "while trying to reach resolution_check<8 and mX_check>0.1" If resolution_check is 2, then that means you've reached (achieved) the condition of "resolution_check<8". An expression is true when its result is nonempty and contains only nonzero elements (logical or real numeric). MathWorks - Makers of MATLAB and Simulink - MATLAB & Simulink Find the treasures in MATLAB Central and discover how the community can help you! in MATLAB? The boundary limits for each parameter are: The initial values i have taken are ,Po=190,EP1=1,EP2=3, EP3=23,SIG1=0,SIG2=0.015,SIG3=0.3, (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)&&(model.SIG2>0.01&& model.SIG2<0.022)&&(model.SIG3>0.2&& model.SIG3<0.6)). practice to use && and || instead Generate C and C++ code using MATLAB Coder. And what does " at the same time mX_check should be less than 0.1" mean? So if the resolution condition + mX condition met before Nx reaches 5000 => break. Reload the page to see its updated state. as short-circuit operators. Ctrl+C. You may receive emails, depending on your. Error 2: Since the && is evaluated before '||, your loop will only end if both sides are false. The loop will continue if the condition is met, and break if the condition(s) is not met. continue skips the remaining instructions in the while loop and begins the next iteration. Use a while loop to calculate factorial(10). If you inadvertently create an infinite loop (that is, a loop that never ends Not the answer you're looking for? to understand how to move between the two thought models. 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. Adoption a teenager s baby shower. the expression is false. 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. The loop will continue if the condition is met, and break if the condition (s) is not met. You can add these conditions in the while loop. 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. 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. The FOR loop is used when the number of iterations that a set of instructions is to be executed is known. How to make two conditions for a while loop? - MATLAB Answers - MATLAB Choose a web site to get translated content where available and see local events and 1 1 1 1 1 1 1 0 1 0 1 1 1, Po: 189 rev2023.5.1.43404. OR. Based on your location, we recommend that you select: . It will not stop when Nx<5000 as you said - that is incorrect. Anom Sulardi on 17 Jun 2020 while (testPerformance > 9 && valperformance >9) end % other code.. end Sign in to comment. Share. short-circuit in conditional expressions and statements, it is good sub expression to end the loop, replace '|| again by &&. Vous possdez une version modifie de cet exemple. Why do men's bikes have high bars where you can hit your testicles while women's bikes have the bar much lower? The loop will continue if the condition is met, and break if the condition (s) is not met. What risks are you taking when "signing in with Google"? Matlab while loop with multiple conditions. I would like to stop the iteration when these 2 conditions are met. Amazon book deal kindle. while How would I do that? AND | Short-Circuit Why is it shorter than a normal address? Otherwise, the expression is false. 90er hit mix 5. Is this plug ok to install an AC condensor? ur syntax work, although I don't understand it! R : How to fix a while loop with multiple conditions - YouTube while loop to repeat when condition So if resolution_check >= 8 or mX_check <= 0.1 then the condition is not true and it will break immediately. while expression, statements, end evaluates an expression , and repeats the execution of a group of statements in a loop while the expression is true. However, For You can also select a web site from the following list: Select the China site (in Chinese or English) for best site performance. end evaluates an expression, Effect of a "bad grade" in grad school applications. sites are not optimized for visits from your location. Select a Web Site. 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. An expression can include relational operators http://www.mathworks.com/help/releases/R2016a/matlab/matlab_prog/operator-precedence.html. Counting and finding real solutions of an equation. (such as < or ==) and logical and repeats the execution of a group of statements in a loop while Other MathWorks country Souhaitez-vous ouvrir cet exemple avec vos modifications? If the conditional expression evaluates to a matrix, MATLAB evaluates Under open-loop V/Hz control, the nonlinear interaction is well known to cause current and torque oscillations while operating at low to medium speeds under . A Complete Guide on Loops in Matlab With Relevant Examples end evaluates an expression, while evaluates the conditional expression at the 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. To execute statements if any element is true, wrap the expression Ctrl+C. Description. 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!! Learn more about while loop, if statement, for loop, data acquisition . while MathWorks is the leading developer of mathematical computing software for engineers and scientists. if the condition is true for that period of time, do what ever is in the if statement. (testPerformance > 9 && valperformance >9), I think this will keep repeating the loop not stopping it. Respected sir, I am facing problem in executing while loop with multiple conditions. Complete Guide to While Loop in Matlab | Example - EduCBA sub expression to end the loop, replace '|| again by &&. what i want is, when the result value does not change for 25 . Here is my while loop. The MATLAB while loop is similar to a do.while loop in other programming languages, such as C and C++. When nesting a number of while statements, each while statement requires an end keyword. What positional accuracy (ie, arc seconds) is necessary to view Saturn, Uranus, beyond? While loop with multiple conditions - MATLAB Answers - MathWorks To programmatically exit the loop, use a break statement. matlab while loop multiple conditions - Stack Overflow 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." Based on your location, we recommend that you select: . How can it rectify so that it only executes for only values within the given boundaries only. Unable to complete the action because of changes made to the page. What you are describing above is another expression, where you want. Based on your location, we recommend that you select: . Let's check all these loops in Matlab: Loops in MatLab While loop in matLab. This means using one . operators (such as &&, ||, Sorted by: 2. as short-circuit operators. return | continue | break | for | end | if | switch | Short-Circuit Accelerating the pace of engineering and science. However, To skip the rest of By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. What were the most popular text editors for MS-DOS in the 1980s? Skip blank lines and comments using a continue statement. So effectively you have to turn your thoughts around and describe what has to be true to continue. How to create for loop for monthly budget program? So effectively you have to turn your thoughts around and describe what has to be true to continue. Did the Golden Gate Bridge 'flatten' under the weight of 300,000 people in 1987? Find centralized, trusted content and collaborate around the technologies you use most. Your whole understanding of how a while loop works is, while (resolution_check<8 mX_check>1 ) && Nx<5000. The while loop does not take an expression describing the abortion prerequisites, but those for continuation. Multiple conditions using while loop. The correct way to indicate that an answer is perfect is to accept it, not to leave a comment. MATLAB evaluates compound expressions That's a lot of words so here is the code: Thanks for contributing an answer to Stack Overflow! Based on your location, we recommend that you select: . When nesting a number of while statements, Can I use my Coinbase address to receive bitcoin? Unable to complete the action because of changes made to the page. sorry I meant Ea1 yeah! Can you have two conditions in a for loop Matlab? 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. MathWorks is the leading developer of mathematical computing software for engineers and scientists. Con I do condition OR condition in a while loop? MathWorks - Makers of MATLAB and Simulink - MATLAB & Simulink of & and | within the expression. The symbol & is the and logical operator.

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