Issue 1358 in sympy: (e*f*e*f).subs(e*f,f*e+h) fails if e*f is not commutative

2009-06-19 Thread codesite-noreply
Comment #18 on issue 1358 by wflynny: (e*f*e*f).subs(e*f,f*e+h) fails if e*f is not commutative http://code.google.com/p/sympy/issues/detail?id=1358 I can't seem to be able to run those tests correctly despite reading the tutorial. Could you please tell me where bin/test is? I wrote the fol

Issue 1484 in sympy: series should collect powers

2009-06-19 Thread codesite-noreply
Status: New Owner: Labels: Type-Defect Priority-Medium New issue 1484 by fredrik.johansson: series should collect powers http://code.google.com/p/sympy/issues/detail?id=1484 >>> cos(1+x+x**2).series(x,0,5) x**4*sin(1)/2 - x*sin(1) - x**2*sin(1) - x**3*cos(1) - 11*x**4*cos(1)/24 - x**2*cos(1

Issue 1358 in sympy: (e*f*e*f).subs(e*f,f*e+h) fails if e*f is not commutative

2009-06-19 Thread codesite-noreply
Comment #17 on issue 1358 by wflynny: (e*f*e*f).subs(e*f,f*e+h) fails if e*f is not commutative http://code.google.com/p/sympy/issues/detail?id=1358 I can't seem to be able to run those tests correctly despite reading the tutorial. Could you please tell me where bin/test is? I wrote the fol

Issue 1483 in sympy: no xor in sympy.core.basic for new logic module

2009-06-19 Thread codesite-noreply
Status: New Owner: Labels: Type-Defect Priority-Medium New issue 1483 by hastebrot: no xor in sympy.core.basic for new logic module http://code.google.com/p/sympy/issues/detail?id=1483 I wonder why there is no xor in the new logic module, resp. in sympy.core.basic. Is this intentional? int