Hi: Is there a way to plot a joint probability density function in
Sage? I looked at
3D plots in the Sage reference manual (http://www.sagemath.org/doc/ref/
node29.html)
but could not find anything close.
For example, here is a simple joint probability density function:
{ 2 : x > 0, y > 0, x+y < 1
f(x,y) = {
{ 0: elsewhere
and let's say I want to find various probabilities (P(X+Y) > 1/3,
etc.)
How do I specify the constraints when for when f(x,y) = 2?
Thanks.
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