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Math Forum » Discussions » sci.math.* » sci.math.num-analysis.independent

Topic: compute a double integral over a pacth defined by discrete points(not
a function) using matlab
Replies: 2   Last Post: Dec 3, 2013 7:06 PM

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sun

Posts: 27
Registered: 3/12/07
compute a double integral over a pacth defined by discrete points(not
a function) using matlab
Posted: Nov 30, 2013 9:30 AM
  Click to see the message monospaced in plain text Plain Text   Click to reply to this topic Reply

Hello,
I would like to compute a double integral of a function z=x*y^2 over a non rectangle regio which is defined by points(x,y).I tried to use meshgrid and than trapz but when the region is not defined by a rectangle, but for example of a circle, or a kind of a leaf... the meshgrid places nodes out of the patch.
Thank you,
Sun

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