Matlab Error Message?

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Ahmed
Ahmed 2016-1-21
评论： Ahmed 2016-1-21
I have the below matlab code, and I got this error "Subscripted assignment dimension mismatch"
for s=1:6
x(:,s) = Cr(1,s) .* x2(:,s);
end
Cr is 1x6, x2 is 100x6?
Does anyone know where is the problem?

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采纳的回答

Guillaume
Guillaume 2016-1-21
Your x must have strictly more or less than 100 rows. Hence the assignment fails.
Note that a much simpler way of achieving what you want is with bsxfun:
x = bsxfun(@times, Cr, x2) %that's all that's needed. No loop.

更多回答（1 个）

Image Analyst
Image Analyst 2016-1-21
编辑：Image Analyst 2016-1-21
Maybe you're after this: (????)
Cr = rand(1,6);
x2 = rand(100,6);
x = zeros(100, 6); % Preallocate
for row = 1 : size(x2, 1)
x(row, :) = Cr(1:end) .* x2(row,:);
end
x

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