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2020-10-09 00:36:17 +0100 | 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.?? |

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2020-10-09 00:29:11 +0100 | 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 +0100 | 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 +0100 | 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 +0100 | 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 +0100 | 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 |

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