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2020-10-09 00:36:17 +0200	commented answer	"how to test if two matrices are similar by a signed permutation matrix" code sage Let A and B be two seidel adjacency matrices of simple graphs without loops. The matrices A and B are similar via a signed permutation matrix. Please, how I can find that matrix.??
2020-10-09 00:30:17 +0200	received badge	● Popular Question (source)
2020-10-09 00:29:11 +0200	answered a question	How to find the permutation matrix associated with the similarity transformation in the following code The matrices A and B are seidel adjacency matrices, similar via a signed permutation matrix. Please, how I can find that matrix.
2020-10-08 01:01:00 +0200	answered a question	"how to test if two matrices are similar by a signed permutation matrix" code sage let A and B the seidel adjacency matrices of two simple graphs. How to write a code in sageMath for find a signed permutation matrix which gives A and B are similar
2020-10-08 00:53:27 +0200	commented question	"how to test if two matrices are similar by a signed permutation matrix" code sage the matrices are symmetric seidl matrices of simple graphs. zero on the diagonal , 1 and -1 off the diagonal
2020-04-11 16:51:29 +0200	asked a question	I'm looking for a program in Sage which allows me to know if two seidel matrices from a graph are similar by a signed permutation matrix I'm looking for a program in Sage which allows me to know if two seidel matrices from a graph are similar by a signed permutation matrix
2020-02-22 21:38:27 +0200	asked a question	"how to test if two matrices are similar by a signed permutation matrix" code sage "how to test if two matrices are similar by a signed permutation matrix" code sage