How to set up a linear form with an interpolation operator
- dwersd
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1 year 5 months ago - 1 year 5 months ago #4664
by dwersd
How to set up a linear form with an interpolation operator was created by dwersd
Dear all,
I'm trying to set up the following linear form in NGSolve (see the image in the attachment) where f and g are two known functions and \phi_h is my test. But the problem is that I have no idea how to implement the Lagrange interpolation I_h in the code. Does anybody have some ideas? Thank you very much!
I'm trying to set up the following linear form in NGSolve (see the image in the attachment) where f and g are two known functions and \phi_h is my test. But the problem is that I have no idea how to implement the Lagrange interpolation I_h in the code. Does anybody have some ideas? Thank you very much!
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Last edit: 1 year 5 months ago by dwersd.
- mneunteufel
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1 year 5 months ago - 1 year 5 months ago #4668
by mneunteufel
Replied by mneunteufel on topic How to set up a linear form with an interpolation operator
Hi,
the Interpolate command interpolates a given function into a given finite element space
Grad(f)*Grad(Interpolate(g*\phi_h, H1(mesh,order=1)))*dx
Best,
Michael
the Interpolate command interpolates a given function into a given finite element space
Grad(f)*Grad(Interpolate(g*\phi_h, H1(mesh,order=1)))*dx
Best,
Michael
Last edit: 1 year 5 months ago by mneunteufel.
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