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| 2014-08-28 17:47:41 +0200 | asked a question | Symbolic matrix calculation Is it possible to do symbolic matrix calculation with sage? What I like to do is somehow declare that U_n are unitary matrices (without giving their dimension or explicit representation). Once declared I'd like sage to exploit the unitarity when it is evaluating expressions involving U_n, like: A=U_1.H * U_1 * U_2 should yield A=U_2 Is this possible? |
| 2014-08-14 17:34:04 +0200 | asked a question | Imaginary matrix exponential Is there a way sage can evaluate this? A = Matrix(CDF,[[1,2,3.],[3,2,0],[1,2,1]]) e^(i*A) TypeError: ECL says: Error executing code in Maxima: Unable to find the spectral representation I was hoping that using the Complex Double Field would help. But it didn't. |
Copyright Sage, 2010. Some rights reserved under creative commons license. Content on this site is licensed under a Creative Commons Attribution Share Alike 3.0 license.