Matlab if and

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Help Center Help Center. An expression is true when its result is nonempty and contains only nonzero elements logical or real numeric. Otherwise, the expression is false. The elseif and else blocks are optional. The statements execute only if previous expressions in the if An if block can include multiple elseif blocks.

Matlab if and

Sign in to comment. Sign in to answer this question. Here is my exact code. The 'test' data contains non-zero values and zeros, which I want to select and refill certain values based on following flow chart sorry for cannot insert the chart vertically. But as the result I shown previously, the second if statement didn't do its work. Unable to complete the action because of changes made to the page. Reload the page to see its updated state. Choose a web site to get translated content where available and see local events and offers. Based on your location, we recommend that you select:. Select the China site in Chinese or English for best site performance. Other MathWorks country sites are not optimized for visits from your location. Toggle Main Navigation. Search Answers Clear Filters.

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Help Center Help Center. Conditional statements enable you to select at run time which block of code to execute. The simplest conditional statement is an if statement. For example:. Alternatively, when you want to test for equality against a set of known values, use a switch statement. Each conditional statement requires the end keyword. In general, when you have many possible discrete, known values, switch statements are easier to read than if statements.

Often we want to execute a command only if a certain test condition is satisfied. We use if statements to do this. If you want to execute certain commands only when a certain test condition is met, use a simple if statement of the form:. In myfile. In the example above, the test condition on the if statement was satisfied it was true since the value stored in x was indeed great than 4. Because the test condition was true, the statements inside the if were executed, and the final values of x and y after the if statement were different than the initial values.

Matlab if and

Help Center Help Center. Conditional statements enable you to select at run time which block of code to execute. The simplest conditional statement is an if statement. For example:. Alternatively, when you want to test for equality against a set of known values, use a switch statement.

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Using Ra. When I type the following code:. I just went back through the versioned docs on the website. I second that! An if block can include multiple elseif blocks. Essentially what is displayed as zero is not really numerically equal to zero, and so this equality calculation fails. Evaluate Multiple Conditions in Expression. Chris Naron on 11 Mar I don't know how many times I've read that doc and never saw that note; I'll have to see if I've just missed it or that it is in later release s. And in your case, that statement evaluates as false, so nothing happens. Vote 0. The solution is to compare the absolute difference against some tolerance value.

Help Center Help Center. An expression is true when its result is nonempty and contains only nonzero elements logical or real numeric. Otherwise, the expression is false.

Search Support Clear Filters. I tried a couple things to force its hand Use strcmp to compare character vectors. Start Hunting! You may receive emails, depending on your communication preferences. Also if someone could point me in the right direction on using my for-loop index instead creating variable x with the same values that would be great. An expression is true when its result is nonempty and contains only nonzero elements logical or real numeric. Based on your location, we recommend that you select:. Toggle Main Navigation. If you really wanted to do it yourself then you would not use a loop to scan x :. Unless some of those old clients call don't know there will be any need and even then probably just data and m-files will be all will really need. See Example 2 , below. Unable to complete the action because of changes made to the page. Search Support Clear Filters.