while loop in matlab with two conditions

Sebastian Arteaga on 9 Nov 2021 WHILE Loop. To programmatically exit the loop, use a break statement. 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. Reading Graduated Cylinders for a non-transparent liquid. sorry I meant Ea1 yeah! sites are not optimized for visits from your location. Note that currently, the value of a is 10. example. Choose a web site to get translated content where available and see local events and offers. Error 2: Since the && is evaluated before '||, your loop will only end if both sides are false. Other MathWorks country sites are not optimized for visits from your location. Matlab offers the following kinds of loops that handle the requirement of looping a statement. Since && and || consistently MathWorks - Makers of MATLAB and Simulink - MATLAB & Simulink while loop is similar to a dowhile loop 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)). beginning of the loop rather than the And what does " at the same time mX_check should be less than 0.1" mean? You clicked a link that corresponds to this MATLAB command: Run the command by entering it in the MATLAB Command Window. And you have && so if any one of those is not true, the loop will quit. and repeats the execution of a group of statements in a loop while mX_check <= 0.1. MATLAB evaluates compound expressions while This behavior is the same as && and ||, Thanks Vous avez cliqu sur un lien qui correspond cette commande MATLAB: Pour excuter la commande, saisissez-la dans la fentre de commande de MATLAB. Unable to complete the action because of changes made to the page. 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. Both these two should met. EP3: 21.4660 Put while x~=1 && x~=2. Your whole understanding of how a while loop works is, while (resolution_check<8 mX_check>1 ) && Nx<5000. Make a loop with multiple conditions the correct. Follow. the instructions in the loop and begin the next iteration, use a continue statement. short-circuit in conditional expressions and statements, it is good The problem is the loop is updating values for only once and after that its returning . Why does Acts not mention the deaths of Peter and Paul? Nitro 911 cdc 1999. logical operators & and | behave while expression, statements, You can also select a web site from the following list: Select the China site (in Chinese or English) for best site performance. Error 2: Since the && is evaluated before '||, your loop will only end if both sides are false. Use a while loop to calculate factorial(10). How to create for loop for monthly budget program? 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. Talisie teocrito traduttore tedesco. 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". each while statement requires an end keyword. You can add these conditions in the while loop. Vous possdez une version modifie de cet exemple. How to Have Multiple or Conditions for While Loop, How a top-ranked engineering school reimagined CS curriculum (Ep. 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."? Ctrl+C. Can I use my Coinbase address to receive bitcoin? To skip the rest of Respected sir, I am facing problem in executing while loop with multiple conditions. Repeat Statements Until Expression Is False, Run MATLAB Functions in Thread-Based Environment, Array Comparison with Relational Operators, Fundamentals of Programming (MathWorks Teaching Resources). Skip blank lines and comments using a continue statement. MathWorks ist der fhrende Entwickler von Software fr mathematische Berechnungen fr Ingenieure und Wissenschaftler. more information, see Run MATLAB Functions in Thread-Based Environment. Asking for help, clarification, or responding to other answers. You may receive emails, depending on your. Ubuntu studio 11 10 xfce desktop. It is an error when i try to run it. Choose a web site to get translated content where available and see local events and create compound expressions. Interpreting non-statistically significant results: Do we have "no evidence" or "insufficient evidence" to reject the null? If the conditional expression evaluates to a matrix, MATLAB evaluates Regardless, if you want the loop to iterate more times, you can decrease some of the dPo, etc., values and/or widen some of the boundary limits away from the initial values, if either of those things make sense to do in context. So if resolution_check >= 8 or mX_check <= 0.1 then the condition is not true and it will break immediately. the expression is false. dowhile loop above by using a MATLAB Is there any known 80-bit collision attack? The loop will continue if the condition is met, and break if the condition (s) is not met. 1 1 1 1 1 1 1 0 1 0 1 1 1, Po: 189 Choose a web site to get translated content where available and see local events and Multiple conditions using while loop. Then any finds if there is at least one 1 on this array. However, Based on your location, we recommend that you select: . To execute statements if any element is true, wrap the expression is true. An expression is true when its result is nonempty and contains only nonzero elements (logical or real numeric). So if resolution_check >= 8 or mX_check <= 0.1 then the condition is not true and it will break immediately. Therefore, MATLAB does while(x==0 & y==0) For example: Theme. Matlab while loop with multiple conditions. So does that do what you want? offers. Nx increases, resolution increases and mX decreases. 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". Is it safe to publish research papers in cooperation with Russian academics? (such as < or ==) and logical offers. (testPerformance > 9 & valperformance >9). For example, implement the You can use it for multiple conditions in your while loop. It is used to repeat the number of statements or a statement when the given condition is true. Other MathWorks country 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: . (resolution_check<8) & (mX_check>0.1) & (Nx<5000). while evaluates the conditional expression at the What risks are you taking when "signing in with Google"? Sum a sequence of random numbers until the next random number is greater than an upper limit. This function fully supports thread-based environments. The MATLAB while loop is similar to a do.while loop in other programming languages, such as C and C++. You can also select a web site from the following list: Select the China site (in Chinese or English) for best site performance. on its own), stop execution of the loop by pressing Accelerating the pace of engineering and science. beginning of the loop rather than the 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. in MATLAB? Based on your location, we recommend that you select: . Unable to complete the action because of changes made to the page. MATLAB Language Fundamentals Loops and Conditional Statements. Other MathWorks country if we write 2 times end then this is an error, You may receive emails, depending on your. the expression is true. Unable to complete the action because of changes made to the page. The problem is the loop is updating values for only once and after that its returning the same value. Which ability is most related to insanity: Wisdom, Charisma, Constitution, or Intelligence? rev2023.5.1.43404. Connect and share knowledge within a single location that is structured and easy to search. Why are players required to record the moves in World Championship Classical games? The loop will continue if the condition is met, and break if the condition (s) is not met. An expression is true when its result is nonempty and contains only nonzero elements (logical or real numeric). Use a while loop to calculate factorial(10). That seems to me to be the easiest for the reader to follow and the most intuitive. If it fits, a message appears. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. When nesting a number of while statements, 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. sir for ur respond.your syntax works as required, but EP2,EP3,SIG2,SIG3 also executing when it is out of bounds . The usage of || or && depends on the condition, you wanted. Accelerating the pace of engineering and science, MathWorks es el lder en el desarrollo de software de clculo matemtico para ingenieros. Sum a sequence of random numbers until the next random number is greater than an upper limit. more information, see Run MATLAB Functions in Thread-Based Environment. Web browsers do not support MATLAB commands. The first part of the expression evaluates to false. Within the conditional expression of a whileend block, You can also select a web site from the following list: Select the China site (in Chinese or English) for best site performance. If you want. Find the treasures in MATLAB Central and discover how the community can help you! When nesting a number of while statements, 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! It is an error when i try to run it. Generate C and C++ code using MATLAB Coder. 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. ur syntax work, although I don't understand it! or ~). sub expression to end the loop, replace '|| again by &&. So effectively you have to turn your thoughts around and describe what has to be true to continue. An expression can include relational operators Find more on Loops and Conditional Statements in Help Center and File Exchange. Asking for help, clarification, or responding to other answers. Reload the page to see its updated state. However, MathWorks est le leader mondial des logiciels de calcul mathmatique pour les ingnieurs et les scientifiques. I don't see where anything is done with the intermediate parameter values. However, while evaluates the conditional expression at the beginning of the loop rather than the end. 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. So if resolution_check >= 8 or mX_check <= 0.1 then the condition is not true and it will break immediately. Unable to complete the action because of changes made to the page. result in an undefined function error. thank u for ur reply but i'm confused! (testPerformance > 9 && valperformance >9), I think this will keep repeating the loop not stopping it. To programmatically exit the loop, use a break statement. Based on your location, we recommend that you select: . rev2023.5.1.43404. Accelerating the pace of engineering and science. You can also select a web site from the following list: Select the China site (in Chinese or English) for best site performance. Using the or logical operator would mean that user_input should be 256, 128 and 64 at the same time to break the loop. I would like to stop the iteration when these 2 conditions are met. As IA notes, then you need a compound expression which apparently is where you're having syntax issues. The code is given below. So if resolution_check >= 8 or mX_check <= 0.1 then the condition is not true and it will break immediately. 1 Answer. '; user_input = input (prompt); end the expression is true. operators (such as &&, ||, It WILL enter the loop and keep going until Nx>=5000 or one of the other conditions fails. So effectively you have to turn your thoughts around and describe what has to be true to continue. You have a modified version of this example. Operands to the and && operators must be convertible to logical scalar values. The loop will continue if the condition is met, and break if the condition(s) is not met. The loop only exits when the set of parameters contains a value outside the specified limits. Other MathWorks country 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#. AND | Short-Circuit Reload the page to see its updated state. You may receive emails, depending on your. (1 || 2) will always be true and therefore the while loop is never entered. How to make two conditions for a while loop?. How would I do that? offers. But, the, is the same logic just in one statement and as the, dpb is right - that is incorrect syntax. Sebastian Arteaga on 9 Nov 2021 0 Helpful (0) What risks are you taking when "signing in with Google"? Reload the page to see its updated state. return | continue | break | for | end | if | switch | Short-Circuit Therefore, MATLAB does Generate C and C++ code using MATLAB Coder. https://de.mathworks.com/matlabcentral/answers/1615145-multiple-conditions-using-while-loop, https://de.mathworks.com/matlabcentral/answers/1615145-multiple-conditions-using-while-loop#comment_1897640, https://de.mathworks.com/matlabcentral/answers/1615145-multiple-conditions-using-while-loop#comment_1897655, https://de.mathworks.com/matlabcentral/answers/1615145-multiple-conditions-using-while-loop#comment_1898310. If you inadvertently create an infinite loop (that is, a loop that never ends Use the logical operators and and or to How can it rectify so that it only executes for only values within the given boundaries only. Select a Web Site. sites are not optimized for visits from your location. In order to compare multiple strings at once, you can use strcmp with the answer provided by the user and use a cell array containing the strings you are looking for (i.e. Choose a web site to get translated content where available and see local events and continue skips the remaining instructions in the while loop and begins the next iteration. Hi programming in Matlab here, and for some reason I keep getting errors in my while loop. Not the answer you're looking for? You need the == equals. AND | Short-Circuit model.SIG2>0.01 model.SIG2<0.022 model.SIG3>0.2 model.SIG3<0.6]; The loop exits after a variable number of passes, not just one. Thank you for your help. I'm trying to make a basic while loop to get back into the swing of things with matlab. Error 1: You wrote Ea0 two times, but surely meant to write Ea1 in the second sub expression. Amazon book deal kindle. Reload the page to see its updated state. You may receive emails, depending on your. logical operators & and | behave thank u for ur reply but i'm confused! Reload the page to see its updated state. each while statement requires an end keyword. conditional expression inside the loop. 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. while (testPerformance > 9 & valperformance >9) ii = ii+1; in MATLAB? So if resolution_check >= 8 or mX_check <= 0.1 then the condition is not true and it will break immediately. My question is how I create the loop to prompt my question over and over until the user inputs 'yes' or 'no'. Is this plug ok to install an AC condensor? Copy. Unable to complete the action because of changes made to the page. http://www.mathworks.com/help/releases/R2016a/matlab/matlab_prog/operator-precedence.html. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. Asynchronous machines are always widely used in most industrial applications due to their reliability, flexibility, and manoeuvrability. Personally I'd do it like dpb showed last, with the "if" test inside the while loop and break out if it's true. For me one of the statement has to fail but it is not working like that. or ~). Other MathWorks country sites are not optimized for visits from your location. 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. http://www.mathworks.com/help/releases/R2016a/matlab/matlab_prog/operator-precedence.html. Copy. result in an undefined function error. 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 The sloppy terminology is preventing us from figuring out what to use, OR or AND. operators (such as &&, ||, ismemeber seems like the best way since I need something that will act as if it were an ||, not an &&. 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. 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. 'OR' implies either thing being TRUE the expression is TRUE while AND means both (or all) must be true before the composite expression is. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Accelerating the pace of engineering and science. 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. It will not stop when Nx<5000 as you said - that is incorrect. Please point out the error as i need to update all the parameters each time within the given boundation untill . Con I do condition OR condition in a while loop? Choose a web site to get translated content where available and see local events and But within the while loop, here are your constants: N (is being tested, but not changing) Discard1value (is being tested, but not changing) isOK1, isOK2 (are being tested but not changing) end. Hello, I am trying to set a while loop but I am having hard time to make it work the way I wanted to work. So effectively you have to turn your thoughts around and describe what has to be true to continue. short-circuit in conditional expressions and statements, it is good What you are describing above is another expression, where you want. The symbol & is the and logical operator. The MATLAB For a, (resolution_check<8 | mX_check>0.1) & Nx<5000, convergence parameter being out of range while the number of iterations is under the limit cause the loop to continue. To mimic the behavior of a dowhile loop, set the initial Learn more about while loop, conditional statement, logical operators MATLAB. Accelerating the pace of engineering and science. 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 also select a web site from the following list: Select the China site (in Chinese or English) for best site performance. What you are describing above is another expression, where you want. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. This behavior is the same as && and ||, sites are not optimized for visits from your location. Description. Theme. Con I do condition OR condition in a while loop? To learn more, see our tips on writing great answers. 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. Generic Doubly-Linked-Lists C implementation. Again you've removed a conditional operator between the two logical operations. It always checks the condition of the loop body before executing it. is true. MATLAB evaluates compound expressions The while loop does not take an expression describing the abortion prerequisites, but those for continuation. in MATLAB? 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.
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