# If M is a square matrix which is not invertible than either the matrix U or the matrix L in LU-decomposition. M=LU has a 0 on it's diagonal.?

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• If M is a square matrix which is not invertible than either the matrix U or the matrix L in LU-decomposition. M=LU has a 0 on it's diagonal.?

A square matrix that is not invertible is ... Let A be a square matrix. An LU decomposition ... This means that L has only zeros above the diagonal and U ...
Positive: 42 %
A square matrix that is not invertible is ... The equation Ax = 0 has only the ... The transpose A T is an invertible matrix. The matrix times its ...
Positive: 39 %

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I prefer to think in terms of linear operators rather than matrices. A function has a ... square matrix, either \$A ... 0\$; if not, then the matrix \$BA ...
Positive: 42 %
L.matrix ... matrix. Note If either argument is less than 2, ... The result is a block diagonal matrix x 0 0 y .
Positive: 37 %
This MATLAB function returns the determinant of square matrix A ... implementation of the LU decomposition, which det uses to ... [L,U] = lu(X) s = det(L) ...