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Why do I get ans = logical 1 or 0 in the command window for the following script?

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Left Terry
Left Terry 2021 年 7 月 29 日
コメント済み: Left Terry 2021 年 7 月 29 日
%Pythagorean Theorem
clc, clear all, disp('Pythagorean Theorem Formula c = sqrt(a^2+b^2)')
a=input('Enter length a: a = ');
b=input('Enter length b: b = ');
if(a>0), (b>0)
disp('WARNING! Enter only positive lengths')


Rik 2021 年 7 月 29 日
A comma does not mean and. In the Matlab syntax it is used to delimit two statements, so the second part of the line with your if statement is executed if a is larger than 0, in which case it will print the result of b>0 to the command window, because you didn't use a semicolon to suppress the output.
The mlint will have warned you about this with the orange line below the >. You should use the help mlint is giving you. Make sure to deal with all the warnings it is giving you. It will also tell you that clear all should be avoided.
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Left Terry
Left Terry 2021 年 7 月 29 日
Thank you very much! I solved it. It now works perfectly.


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