Mercurial > repos > public > sbplib_julia

annotate plotDerivative.jl @ 60:7ab0043aca53 cell_based_test

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Only do inner stencil
author Jonatan Werpers <jonatan@werpers.com>
date Thu, 17 Jan 2019 09:41:25 +0100
parents 27a8d3021a1c
children 8d505e9bc715
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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54
4300a3fbd818 switch grid to Grid in diffOp
Ylva Rydin <ylva.rydin@telia.com>
parents: 51
diff changeset
1 g = sbp.Grid.EquidistantGrid(200,(0, 2pi))
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56722ba36604 ass script that plots the derivative
Ylva Rydin <ylva.rydin@telia.com>
parents:
diff changeset
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
3 Laplace = sbp.Laplace1D(g,1,op)
56722ba36604 ass script that plots the derivative
Ylva Rydin <ylva.rydin@telia.com>
parents:
diff changeset
4
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27a8d3021a1c Convert apply functions to cell-based
Ylva Rydin <ylva.rydin@telia.com>
parents: 54
diff changeset
5 init(x) = cos(x)
51
614b56a017b9 Split grid.jl into AbstractGrid.jl and EquidistantGrid.jl
Vidar Stiernström <vidar.stiernstrom@it.uu.se>
parents: 46
diff changeset
6 v = sbp.Grid.evalOn(g,init)
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56722ba36604 ass script that plots the derivative
Ylva Rydin <ylva.rydin@telia.com>
parents:
diff changeset
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
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:
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11 @show u
54
4300a3fbd818 switch grid to Grid in diffOp
Ylva Rydin <ylva.rydin@telia.com>
parents: 51
diff changeset
12 sbp.Grid.plotgridfunction(g,u)