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Coder - Subtract vector from matrix, size mismatch error

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amin ya
amin ya 2019 年 4 月 28 日
編集済み: amin ya 2019 年 6 月 12 日
Although MATLAB supports subtracting a vector from a matrix (as stated here : https://www.mathworks.com/help/matlab/matlab_prog/compatible-array-sizes-for-basic-operations.html ), when I try to generate code using MATLAB coder it gives me size mismatch error.
For example for the following function MATLAB can't generate code:
function C=subtraction()
A=3*ones(4,5);
B=ones(1,5);
C=A-B;
end
What should I do?

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Walter Roberson
Walter Roberson 2019 年 4 月 28 日
specifically says that implicit expansion is not supported by Coder at this time.
The option is to use
C = bsxfun(@minus, A, B);

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