galben

Last seen: 約3年前 | 2022 年からアクティブ

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zeros of a matrix
I have a matrix and i want to create a column of zeros the size of the matrix. M=rand(5) A=zeros(size(M,2)) the error i get i...

約3年前 | 2 件の回答 | 0

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Columns of a matrix given a condition
tt=[0 0 0 0 0 1 0 0; 1 1 1 0 0 0 0 0; -1 0 0 0 0 0 0 0 ; 1 0 0 0 0 0 0 0; 0 0 0 0 1 1 0 1; 0 0 0 0 0 0 0 1 ] I want to be ab...

約3年前 | 1 件の回答 | 0

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質問

finding the Column name of a matrix
find the column name correspnding to particular values in a row of a mertrix i tried this but not working A(find(A(50,:)=1), 2...

約3年前 | 1 件の回答 | 0

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Solving Linear Algebra; matrix
proof that dim(col(R)) + dim(N(R)) = number of columns in R V={[2 3 4]', [4 5 6]', [3 4 5]'} how can i prove this for any m...

約3年前 | 0 件の回答 | 0

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Error with writing a function
function span(v, c) A = []; n = length(A); for i=1:n u=c{i}; u= u'; A = [A u(:)]; end v= v'; v=v(:); if r...

約3年前 | 3 件の回答 | 0

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string extraction from a table
How can I extract data for the Brown? I would appreciate some help, i have been stuck with this. Age = [38;43;38;40;49;45...

約3年前 | 1 件の回答 | 0

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質問

Indexing of an array
I have a result array of 50 x 50 and i would like to extract all information for when a certain column equal a certain result.

約3年前 | 1 件の回答 | 0

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