Mercurial > repos > public > sbplib_julia
annotate plotDerivative.jl @ 46:50c6c252d954
Fix issue in plotgridfunction in 2d. Remove 3d case. Will be added later
author | Vidar Stiernström <vidar.stiernstrom@it.uu.se> |
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date | Thu, 10 Jan 2019 17:39:42 +0100 |
parents | 56722ba36604 |
children | 614b56a017b9 |
rev | line source |
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46
50c6c252d954
Fix issue in plotgridfunction in 2d. Remove 3d case. Will be added later
Vidar Stiernström <vidar.stiernstrom@it.uu.se>
parents:
45
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1 g = sbp.grid.EquidistantGrid(200,(0, 2pi)) |
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") |
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) |
56722ba36604
ass script that plots the derivative
Ylva Rydin <ylva.rydin@telia.com>
parents:
diff
changeset
|
4 |
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) |
56722ba36604
ass script that plots the derivative
Ylva Rydin <ylva.rydin@telia.com>
parents:
diff
changeset
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6 v = sbp.grid.evalOn(g,init) |
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)) |
56722ba36604
ass script that plots the derivative
Ylva Rydin <ylva.rydin@telia.com>
parents:
diff
changeset
|
8 |
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) |
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 |
56722ba36604
ass script that plots the derivative
Ylva Rydin <ylva.rydin@telia.com>
parents:
diff
changeset
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12 sbp.grid.plotgridfunction(g,u) |