Matrix problem with script

Question

donnie 2016-4-28

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https://ww2.mathworks.cn/matlabcentral/answers/281403-matrix-problem-with-script

回答： Kevin 2016-4-29

Create a Matlab Script that will take the a Matrix A and Matrix B (of AX=B), then calculate the Determinant of Matrix A, Inverse of matrix A , Solution vector X, Rank of Matrix of A, Eigen Values and Eigen Vectors of A. You should use det, inverse, inverse(A)*B, rank, and eig functions of Matlab.

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Roger Stafford 2016-4-28

You really should make a good start on your problem before presenting it to this forum.

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Answer 1

Kevin 2016-4-29

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/281403-matrix-problem-with-script#answer_220079

在 MATLAB Online 中打开

Actually this is why I would pay $2000 for MATLAB. Let see how easy it is in MATAB.

function s = swissarmyknife(A,B)
  s = struct;
  s.detA = det(A);
  s.invA = inv(A);  % Assume A is square and invertible.
  s.x    = A\B;
  [s.V, s.D] = eig(A);
end