Mercurial > repos > public > sbplib_julia
diff plotDerivative2d.jl @ 52:0236f8e90567
Merge changes
| author | Vidar Stiernström <vidar.stiernstrom@it.uu.se> |
|---|---|
| date | Fri, 11 Jan 2019 11:55:48 +0100 |
| parents | 2a7d0ed7ac10 |
| children | 4300a3fbd818 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/plotDerivative2d.jl Fri Jan 11 11:55:48 2019 +0100 @@ -0,0 +1,16 @@ +g = sbp.grid.EquidistantGrid((100,75),((0, 0), (2pi, 3/2*pi))) +op = sbp.readOperator("d2_4th.txt","h_4th.txt") +Laplace = sbp.Laplace2D(g,1,op) + +init(x,y) = sin(x) + cos(y) +v = sbp.grid.evalOn(g,init) + +u = zeros(length(v)) + +sbp.apply!(Laplace,u,v) + +@show u +@show u'*u + +sbp.grid.plotgridfunction(g,u) +