Re: Issue 1792 in sympy: SymPy does not integrate a real power of sine/cosine

2012-04-21 Thread sympy
Comment #7 on issue 1792 by asmeu...@gmail.com: SymPy does not integrate a real power of sine/cosine http://code.google.com/p/sympy/issues/detail?id=1792 The wolfram alpha result (for reference): -(cos^(1+r)(x) csc(x) 2F1(1/2, (1+r)/2, (3+r)/2, cos^2(x)) sqrt(sin^2(x)))/(1+r). -- You

Re: Issue 1792 in sympy: SymPy does not integrate a real power of sine/cosine

2011-08-18 Thread sympy
Comment #4 on issue 1792 by ness...@googlemail.com: SymPy does not integrate a real power of sine/cosine http://code.google.com/p/sympy/issues/detail?id=1792 This seems unlikely to me. As far as I can tell, cos(x)^r is not a meijer g-function unless r is a positive integer. The way to do

Re: Issue 1792 in sympy: SymPy does not integrate a real power of sine/cosine

2011-08-18 Thread sympy
Comment #5 on issue 1792 by asmeurer: SymPy does not integrate a real power of sine/cosine http://code.google.com/p/sympy/issues/detail?id=1792 That's a shame, because WolframAlpha can do it (http://www.wolframalpha.com/input/?_=1313689892483i=integrate+cos(x)**r+dxfp=1incTime=true),

Re: Issue 1792 in sympy: SymPy does not integrate a real power of sine/cosine

2011-08-17 Thread sympy
Updates: Cc: ness...@googlemail.com Comment #3 on issue 1792 by asmeurer: SymPy does not integrate a real power of sine/cosine http://code.google.com/p/sympy/issues/detail?id=1792 Tom, can we make this work. I tried it in your branch and it still doesn't work there. -- You

Issue 1792 in sympy: SymPy does not integrate a real power of sine/cosine

2010-01-15 Thread sympy
Status: New Owner: Labels: Type-Defect Priority-Medium New issue 1792 by kirzhanov: SymPy does not integrate a real power of sine/cosine http://code.google.com/p/sympy/issues/detail?id=1792 I want to get a general explicit expression of an integral of this function: delta cos