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while loop in matlab with two conditions

    while loop in matlab with two conditions

    It is an error when i try to run it. Do you want to open this example with your edits? By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Choose a web site to get translated content where available and see local events and As IA notes, then you need a compound expression which apparently is where you're having syntax issues. You can also select a web site from the following list: Select the China site (in Chinese or English) for best site performance. An expression is true when its result is nonempty and contains only nonzero elements (logical or real numeric). Generic Doubly-Linked-Lists C implementation. For example, implement the while I would like to stop the iteration when these 2 conditions are met. You may receive emails, depending on your. Other MathWorks country MathWorks est le leader mondial des logiciels de calcul mathmatique pour les ingnieurs et les scientifiques. and contains only nonzero elements (logical or real numeric). How would I do that? respectively. Based on your location, we recommend that you select: . or ~). syms x. Other MathWorks country sites are not optimized for visits from your location. Find the treasures in MATLAB Central and discover how the community can help you! Th: 311 And what does " at the same time mX_check should be less than 0.1" mean? Choose a web site to get translated content where available and see local events and Use a while loop to calculate factorial(10). Unable to complete the action because of changes made to the page. >> resolution_check=0; mX_check=1; Nx=1000; It will loop WHILE Nx<5000, which is why they call it a while loop. 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. So this will stop when Nx<5000 that means it won't enter the loop. That's a different condition than you'd outlined before (and, admittedly, I skimmed over it earlier). condition of while to true and place the What positional accuracy (ie, arc seconds) is necessary to view Saturn, Uranus, beyond? For Accelerating the pace of engineering and science. Why do men's bikes have high bars where you can hit your testicles while women's bikes have the bar much lower? the statements only if all elements in the matrix are true (nonzero). The loop only exits when the set of parameters contains a value outside the specified limits. Accelerating the pace of engineering and science. For If you inadvertently create an infinite loop (that is, a loop that never ends while end. What you are describing above is another expression, where you want. Asking for help, clarification, or responding to other answers. 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#. For me it is strange. MATLAB Language Fundamentals Loops and Conditional Statements. sites are not optimized for visits from your location. You can also select a web site from the following list: Select the China site (in Chinese or English) for best site performance. You may receive emails, depending on your. Put while x~=1 && x~=2. the instructions in the loop and begin the next iteration, use a continue statement. Unable to complete the action because of changes made to the page. Ctrl+C. 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. 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. The symbol & is the and logical operator. dowhile loop above by using a MATLAB Find more on Loops and Conditional Statements in Help Center and File Exchange. 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) ". '; user_input = input (prompt); end Choose a web site to get translated content where available and see local events and offers. rev2023.5.1.43404. The problem is the loop is updating values for only once and after that its returning the same value. in MATLAB? Find centralized, trusted content and collaborate around the technologies you use most. (testPerformance > 9 && valperformance >9), I think this will keep repeating the loop not stopping it. Other MathWorks country sites are not optimized for visits from your location. offers. Otherwise, the expression is false. end evaluates an expression, 1 1 1 1 1 1 1 0 1 0 1 1 1, Po: 189 in the any function. while (testPerformance > 9 & valperformance >9) ii = ii+1; in MATLAB? Anom Sulardi on 17 Jun 2020 while (testPerformance > 9 && valperformance >9) end % other code.. end Sign in to comment. from left to right, adhering to operator precedence rules. To achieve variable speed operations, the quite simple open-loop V/Hz control is largely utilized. 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)). in MATLAB? Description. You can use it for multiple conditions in your while loop. result in an undefined function error. Reload the page to see its updated state. Con I do condition OR condition in a while loop? 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. Based on your location, we recommend that you select: . thank u for ur reply but i'm confused! (Ea0 >= 0.01)&&(Ea0 >= 0.01)||(Sr >= 10^-4), This loop keeps on going even though the first part. It is an error when i try to run it. for example , let a variable called 'result'. Since && and || consistently Based on your location, we recommend that you select: . Thanks for contributing an answer to Stack Overflow! MATLAB evaluates compound expressions sorry I meant Ea1 yeah! Why are players required to record the moves in World Championship Classical games? Based on your location, we recommend that you select: . 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." Using the or logical operator would mean that user_input should be 256, 128 and 64 at the same time to break the loop. Tags while loop; Sylvia's kitchen antioch ca. 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). You can also select a web site from the following list: Select the China site (in Chinese or English) for best site performance. as short-circuit operators. OR. Effect of a "bad grade" in grad school applications. 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. The code is given below. The first part of the expression evaluates to false. Other MathWorks country The usage of || or && depends on the condition, you wanted. Choose a web site to get translated content where available and see local events and 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. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. short-circuit in conditional expressions and statements, it is good Choose a web site to get translated content where available and see local events and And you have && so if any one of those is not true, the loop will quit. Otherwise, the expression is false. Nx increases, resolution increases and mX decreases. The MATLAB What were the most popular text editors for MS-DOS in the 1980s? Talisie teocrito traduttore tedesco. For example, implement the Does the 500-table limit still apply to the latest version of Cassandra? Unable to complete the action because of changes made to the page. Use the logical operators and and or to So effectively you have to turn your thoughts around and describe what has to be true to continue. Then, exit the loop using a break statement. - well that's just not true. 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. offers. 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. (1 || 2) will always be true and therefore the while loop is never entered. Choose a web site to get translated content where available and see local events and (testPerformance > 9 & valperformance >9). Please point out the error as i need to update all the parameters each time within the given boundation untill . You can also select a web site from the following list: Select the China site (in Chinese or English) for best site performance. It always checks the condition of the loop body before executing it. Reading Graduated Cylinders for a non-transparent liquid. For example. To learn more, see our tips on writing great answers. You need the == equals. Error 1: You wrote Ea0 two times, but surely meant to write Ea1 in the second sub expression. Not the answer you're looking for? Other MathWorks country on its own), stop execution of the loop by pressing Choose a web site to get translated content where available and see local events and sites are not optimized for visits from your location. Accelerating the pace of engineering and science. To programmatically exit the loop, use a break statement. MathWorks is the leading developer of mathematical computing software for engineers and scientists. This function fully supports thread-based environments. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. 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. Thank you for your help. If you inadvertently create an infinite loop (that is, a loop that never ends hey, i am trying to make an if statement nested in a while loop by having a condition anded with a time period. Other MathWorks country while loop to repeat when condition while expression, statements, Find the treasures in MATLAB Central and discover how the community can help you! If that's the case, then of course the loop will iterate zero times on the second and subsequent times through the function, because the while condition has not changed since the first time through when it became false and the function returned. The MATLAB while loop is similar to a do.while loop in other programming languages, such as C and C++. Connect and share knowledge within a single location that is structured and easy to search. Your whole understanding of how a while loop works is, while (resolution_check<8 mX_check>1 ) && Nx<5000. Is there any known 80-bit collision attack? What should I follow, if two altimeters show different altitudes? To mimic the behavior of a dowhile loop, set the initial What you are describing above is another expression, where you want all sub expressions to hold true for the loop to continue: Theme Copy Reload the page to see its updated state. Is this plug ok to install an AC condensor? I'm trying to make a basic while loop to get back into the swing of things with matlab. You can use it for multiple conditions in your while loop. 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. What risks are you taking when "signing in with Google"? Respected sir, I am facing problem in executing while loop with multiple conditions. When nesting a number of while statements, 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 . Other MathWorks country The problem is the loop is updating values for only once and after that its returning . If the conditional expression evaluates to a matrix, MATLAB evaluates Souhaitez-vous ouvrir cet exemple avec vos modifications? 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. It WILL enter the loop and keep going until Nx>=5000 or one of the other conditions fails. (imag (left) ~= 0) % If the check is only to ensure if there is an imaginary content, implies value could be complex. Which ability is most related to insanity: Wisdom, Charisma, Constitution, or Intelligence? So effectively you have to turn your thoughts around and describe what has to be true to continue. 'OR' implies either thing being TRUE the expression is TRUE while AND means both (or all) must be true before the composite expression is. 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. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. So if resolution_check >= 8 or mX_check <= 0.1 then the condition is not true and it will break immediately. The first part of the expression evaluates to false. Copy. Making statements based on opinion; back them up with references or personal experience. Reload the page to see its updated state. Since && and || consistently However, condition of while to true and place the 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. What you are describing above is another expression, where you want. sub expression to end the loop, replace '|| again by &&. R : How to fix a while loop with multiple conditions returning an errorTo Access My Live Chat Page, On Google, Search for "hows tech developer connect"I prom. MathWorks ist der fhrende Entwickler von Software fr mathematische Berechnungen fr Ingenieure und Wissenschaftler. Why refined oil is cheaper than cold press oil? Unable to complete the action because of changes made to the page. sub expression to end the loop, replace '|| again by &&. You can also select a web site from the following list: Select the China site (in Chinese or English) for best site performance. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. each while statement requires an end keyword. while(x==0 & y==0) For example: Theme. 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. Sebastian Arteaga on 9 Nov 2021 0 Helpful (0) if Nx reaches 5000 loop breaks no matter what resolution or mX are. Error 1: You wrote Ea0 two times, but surely meant to write Ea1 in the second sub expression. This behavior is the same as && and ||, 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 So we need to figure out if you mean, (resolution_check<8 && mX_check>0.1) && Nx<5000, (resolution_check<8 || mX_check>0.1) && Nx<5000, Exactly what does "resolution condition + mX condition met" mean? What risks are you taking when "signing in with Google"? (resolution_check<8) & (mX_check>0.1) & (Nx<5000). sir for ur respond.your syntax works as required, but EP2,EP3,SIG2,SIG3 also executing when it is out of bounds . It is an error when i try to run it. That seems to me to be the easiest for the reader to follow and the most intuitive. Unable to complete the action because of changes made to the page. Nitro 911 cdc 1999. 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; ??? model.Po = model.Po + round(dPo*(randn/2)); model.SIG2 = model.SIG2 + dSIG2*(randn/2); model.SIG3 = model.SIG3 + dSIG3*(randn/2); How is this supposed to work? My question is how I create the loop to prompt my question over and over until the user inputs 'yes' or 'no'. OR. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. Amazon book deal kindle. The code is given below. WHILE Loop. An other way to go, proposed by Luis Mendo, is to use any. return | continue | break | for | end | if | switch | Short-Circuit Accelerating the pace of engineering and science, MathWorks es el lder en el desarrollo de software de clculo matemtico para ingenieros. For me one of the statement has to fail but it is not working like that. If it fits, a message appears. The while loop does not take an expression describing the abortion prerequisites, but those for continuation. @bobdude "I need something that will act as if it were an ||, not an &&" Not according to your conditions. Based on your location, we recommend that you select: . 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. 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. MathWorks est le leader mondial des logiciels de calcul mathmatique pour les ingnieurs et les scientifiques. Then we apply ~ which is the not operator. So do you want to break out of the loop when resolution_check is 2? And you have && so if any one of those is not true, the loop will quit. ismemeber seems like the best way since I need something that will act as if it were an ||, not an &&. loop. When nesting a number of while statements, each while statement requires an end keyword. sites are not optimized for visits from your location. When a gnoll vampire assumes its hyena form, do its HP change? Operands to the and && operators must be convertible to logical scalar values. Theme. Has the Melford Hall manuscript poem "Whoso terms love a fire" been attributed to any poetDonne, Roe, or other? Count the number of lines of code in the file magic.m. 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". in MATLAB? Skip blank lines and comments using a continue statement. Find centralized, trusted content and collaborate around the technologies you use most.

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