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| 2016-02-05 15:51:01 +0200 | commented answer | subs() function gives KeyError when keyword is a list member Thank you. This solved my problem. |
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| 2016-02-03 11:33:19 +0200 | asked a question | subs() function gives KeyError when keyword is a list member I have a multivariate Boolean polynomial my_poly in xi (x0,x1,...,etc) and want to substitute one of the variables (say e.g. x0=0). my_poly subs(x0=0) works but I need to determine the exact variable (left hand side of '=') and value (right hand side of '=') at run-time depending on some conditions. The problem is subs() function do not accept expression on the left hand side of '=' and I have many xi variables, so if else is not practical. How can I solve this issue? |
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.