Re: [sage-support] performance of matrix_from_columns method ...

2012-01-29 Thread Martin Albrecht
On Saturday 28 January 2012, Benjamin Howard wrote: > Hi -- > > I have an application in mind where I desperately > need a faster implementation of the matrix methods: > > matrix_from_columns > matrix_from_rows_and_columns > matrix_from_rows > > I am aware that these will not be as fast as the s

[sage-support] performance of matrix_from_columns method ...

2012-01-29 Thread Benjamin Howard
Hi -- I have an application in mind where I desperately need a faster implementation of the matrix methods: matrix_from_columns matrix_from_rows_and_columns matrix_from_rows I am aware that these will not be as fast as the submatrix method (for contiguous submatrices) but the above three methods