Mercurial > repos > public > sbplib_julia
annotate plotDerivative.jl @ 54:4300a3fbd818
switch grid to Grid in diffOp
| author | Ylva Rydin <ylva.rydin@telia.com> |
|---|---|
| date | Mon, 14 Jan 2019 16:30:52 +0100 |
| parents | 614b56a017b9 |
| children | 27a8d3021a1c 81d9510cb2d0 |
| rev | line source |
|---|---|
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54
4300a3fbd818
switch grid to Grid in diffOp
Ylva Rydin <ylva.rydin@telia.com>
parents:
51
diff
changeset
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1 g = sbp.Grid.EquidistantGrid(200,(0, 2pi)) |
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45
56722ba36604
ass script that plots the derivative
Ylva Rydin <ylva.rydin@telia.com>
parents:
diff
changeset
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2 op =sbp.readOperator("d2_4th.txt","h_4th.txt") |
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56722ba36604
ass script that plots the derivative
Ylva Rydin <ylva.rydin@telia.com>
parents:
diff
changeset
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3 Laplace = sbp.Laplace1D(g,1,op) |
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56722ba36604
ass script that plots the derivative
Ylva Rydin <ylva.rydin@telia.com>
parents:
diff
changeset
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4 |
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56722ba36604
ass script that plots the derivative
Ylva Rydin <ylva.rydin@telia.com>
parents:
diff
changeset
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5 init(x) = sin(x) |
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51
614b56a017b9
Split grid.jl into AbstractGrid.jl and EquidistantGrid.jl
Vidar Stiernström <vidar.stiernstrom@it.uu.se>
parents:
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diff
changeset
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6 v = sbp.Grid.evalOn(g,init) |
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45
56722ba36604
ass script that plots the derivative
Ylva Rydin <ylva.rydin@telia.com>
parents:
diff
changeset
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7 u = zeros(length(v)) |
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56722ba36604
ass script that plots the derivative
Ylva Rydin <ylva.rydin@telia.com>
parents:
diff
changeset
|
8 |
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56722ba36604
ass script that plots the derivative
Ylva Rydin <ylva.rydin@telia.com>
parents:
diff
changeset
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9 sbp.apply!(Laplace,u,v) |
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56722ba36604
ass script that plots the derivative
Ylva Rydin <ylva.rydin@telia.com>
parents:
diff
changeset
|
10 |
|
56722ba36604
ass script that plots the derivative
Ylva Rydin <ylva.rydin@telia.com>
parents:
diff
changeset
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11 @show u |
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54
4300a3fbd818
switch grid to Grid in diffOp
Ylva Rydin <ylva.rydin@telia.com>
parents:
51
diff
changeset
|
12 sbp.Grid.plotgridfunction(g,u) |