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Questions Tagged with "matrices" (Page 4)

Explore solved questions tagged with "matrices" or help others by answering their unsolved questions related to "matrices".

$AD$ has exactly one negative eigenvalue if $v^T A v > 0$ and $D = mbox{diag}(-1,1,1)$

3 answer

Mathematics Asked 2 years ago

The determinant of the sum of normal matrices

1 answer

MathOverflow Asked 2 years ago by Denis Serre

Block matrices and their determinants

1 answer

MathOverflow Asked 2 years ago by T. Amdeberhan

Do Approximate Eigenvalues Imply Approximate Eigenvectors?

2 answer

Mathematics Asked 2 years ago by Naren Manoj

Computing the matrix differential/derivative of the matrix$rightarrow$scalar function $log det(BCB^T)$

1 answer

Mathematics Asked 2 years ago by xedg

Showing block diagonal structure of matrix by reordering

6 answer

MathOverflow Asked 2 years ago by Szabolcs Horvát

Let $A,Bin M_n (mathbb R), lambdain sigma(B), alpha in sigma (B)$ and $$ be inner product show $=lambda||x||^2+alpha$

0 answer

Mathematics Asked 2 years ago

What is the derivative of $log det X$ when $X$ is symmetric?

3 answer

Mathematics Asked 2 years ago by evangelos

Condition for block symmetric real matrix eigenvalues to be real

1 answer

MathOverflow Asked 2 years ago

Canonical forms for block-positive-definite matrices

0 answer

MathOverflow Asked 2 years ago by Laurent Lessard

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