how to use 'bool' function?

Question

sugata sinha 2018-2-8

0
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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/381446-how-to-use-bool-function

编辑： Stephen23 2019-10-2

i am using matlab for seismic processing.plz help me with 'bool' function

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Adam 2018-2-8

There's no such thing as the 'bool' function in base Matlab

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Answer 1

KALYAN ACHARJYA 2018-2-8

1
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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/381446-how-to-use-bool-function#answer_304114

在 MATLAB Online 中打开

 % A bool function means it returns to either true or false based on condition statement
 if k==c % Condition statement
    True statement;
 else 
    False Statement
 end

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John Wheater 2019-10-2

Sorry, I see we don't have a boolean data type, and we get a matrix of 1s or zeros.

So a function is useful, but should maybe contain just the one line

return (k==c)(1);

Stephen23 2019-10-2

编辑：Stephen23 2019-10-2

"...we don't have a boolean data type, and we get a matrix of 1s or zeros."

Actually MATLAB has a logical type (displayed as 1s and 0s):

https://www.mathworks.com/help/matlab/ref/logical.html

https://www.mathworks.com/help/matlab/matlab_prog/fundamental-matlab-classes.html

"So a function is useful..."

I don't see why. I would just write the logical comparison in my code.

"...but should maybe contain just the one line return (k==c)(1);"

That looks like a mixture of Python and MATLAB code (the keyword return does not return values in MATLAB, so that line performs some operations, discards any results, and then exits the function).

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