On 03/12/2012 10:54 AM, Matthew Rocklin wrote:
Does this help?
In [1]: expr = sin(x)**2
In [2]: p = Wild("p")
In [3]: expr.match(p**2)
Out[3]: {p: sin(x)}
On Mon, Mar 12, 2012 at 7:30 AM, Alan Bromborsky <[email protected]
<mailto:[email protected]>> wrote:
On 03/12/2012 10:25 AM, Alan Bromborsky wrote:
Can assumptions handle the following case -
I have the expression sin(th)**2 and know that sin(th)**2 > 0
and I want sqrt( sin(th)**2) = sin(th).
Failing the use of assumptions is there a way of telling if an
expression is the square of another expression and what that
expression is?
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Thanks much. That does the trick even for r**2*sin(th)**2.
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