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| 2018-12-23 19:53:52 +0200 | received badge | ● Student (source) |
| 2018-12-23 17:38:21 +0200 | asked a question | Why doesn't f(alpha) act like a function? var('t,alpha,beta,gamma') sage: i [ 0 -I] [-I 0] sage: f(alpha) = cos(alpha)*i sage: f(alpha) [ 0 -Icos(alpha)] [-Icos(alpha) 0] sage: f(0) [ 0 -Icos(alpha)] [-Icos(alpha) 0] |
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.