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| 2014-12-29 23:30:12 +0200 | commented answer | Poset plot is upside-down That flips it over, but the arrows point in the wrong direction. According to the documentation, plot applied to a poset should be bottom to top with arrows pointed up. |
| 2014-12-29 17:01:23 +0200 | asked a question | Poset plot is upside-down Tried the following in smc X = (24).divisors() R = [(a,b) for a in X for b in X if a.divides(b)] D = Poset([X,R]) D.plot() The resulting plot is upside-down; that is "1" is at the top and "24" at the bottom. How can I fix this? |
| 2014-08-16 19:58:19 +0200 | answered a question | recognize form sin(x)^2 + cos(x)^2 = 1 Looks like trig_simplify() does the job: f(t) = cos(t+1)^2 + sin(t+1)^2 f.trig_simplify() t |--> 1 Where would I find this in the sage documentation if I did not know the name of the method (trig_simplify()) ? |
| 2014-08-16 18:17:01 +0200 | asked a question | recognize form sin(x)^2 + cos(x)^2 = 1 Is there a way to tell sage that expressions like sin(x)^2 + cos(x)^2 are equivalent to 1? So, for instance, sage would replace/simplify an expression like sin(t+1)^2 + cos(t+1)^2 with 1. |
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.