MATLAB Online에서 열기 YourArray(:,end+1) = YourData(:,15) .* YourData(:,17); 댓글 수: 2 itzhak mal2019년 1월 30일 When I used dlm read it went into a matrix you named here "YourArray" right? So what's the difference between the "YourData" and the matrix?
Using 테마복사 alpha*inv(X'X) gives the correct results but (a) Matlab suggest not doing so (although the backward slash gives the wrong results) and (b) I've always avoided multiplying by the inverse of a matrix due to potential inaccuracy. Is there a better way? Thank you...
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I would like to multiply multiple 4x4 matrices together but each element of each matrix is a variable, and so in MATLAB is a vector. I therefore want to perform matrix multiplication on the matrices but element by element multiplication of the vectors inside, is this possible...
I constantly need to multiply a matrix X (dims: n x m x k) with a vector b (dims: k x 1). The end result should be either of (n x m x 1) or preferably (n x m). In addition, is there a function available that would multiply n-way matrix ...
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=Y'. I want to multiply each row of X with each column of Y to get a 7800x1 matrix. Basically I want the diagonal elements of X*Y matrix without performing the redundant operations. Is there a vectorised way of performing this operation? Thanks!!