ASKSAGE: Sage Q&A Forum - Latest question feedhttps://ask.sagemath.org/questions/Q&A Forum for SageenCopyright Sage, 2010. Some rights reserved under creative commons license.Fri, 22 Nov 2013 19:45:41 -0600Determinant of block matriceshttps://ask.sagemath.org/question/10766/determinant-of-block-matrices/I need to calculate the determinant of a symbolic 4x4 matrix M, where each cell itself is a matrix itself.
Is that possible?
I did a beginner's check, and it did not seem to work:
mq=matrix(SR, 2, 2, 'a b c d'.split(' '))
MQ=matrix(SR, 2, 2, [mq, mq, mq, mq])
MQ.det()
Traceback (click to the left of this block for traceback)
...
TypeError: mutable matrices are unhashable
kautschukFri, 22 Nov 2013 19:45:41 -0600https://ask.sagemath.org/question/10766/