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comparison plotDerivative2d.jl @ 54:4300a3fbd818

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switch grid to Grid in diffOp
author Ylva Rydin <ylva.rydin@telia.com>
date Mon, 14 Jan 2019 16:30:52 +0100
parents 2a7d0ed7ac10
children 27a8d3021a1c 81d9510cb2d0
comparison
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53:8c6db1f6d8e0 54:4300a3fbd818
1 g = sbp.grid.EquidistantGrid((100,75),((0, 0), (2pi, 3/2*pi))) 1 g = sbp.Grid.EquidistantGrid((100,75),((0, 0), (2pi, 3/2*pi)))
2 op = sbp.readOperator("d2_4th.txt","h_4th.txt") 2 op = sbp.readOperator("d2_4th.txt","h_4th.txt")
3 Laplace = sbp.Laplace2D(g,1,op) 3 Laplace = sbp.Laplace2D(g,1,op)
4 4
5 init(x,y) = sin(x) + cos(y) 5 init(x,y) = sin(x) + cos(y)
6 v = sbp.grid.evalOn(g,init) 6 v = sbp.Grid.evalOn(g,init)
7 7
8 u = zeros(length(v)) 8 u = zeros(length(v))
9 9
10 sbp.apply!(Laplace,u,v) 10 sbp.apply!(Laplace,u,v)
11 11
12 @show u 12 @show u
13 @show u'*u 13 @show u'*u
14 14
15 sbp.grid.plotgridfunction(g,u) 15 sbp.Grid.plotgridfunction(g,u)
16 16