Mercurial > repos > public > sbplib_julia

view plotDerivative.jl @ 74:c47aaedcf71e

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Make grid.spacings more readable
author Jonatan Werpers <jonatan@werpers.com>
date Thu, 17 Jan 2019 13:53:01 +0100
parents 4300a3fbd818
children 27a8d3021a1c 81d9510cb2d0
line wrap: on
line source

g = sbp.Grid.EquidistantGrid(200,(0, 2pi))
op =sbp.readOperator("d2_4th.txt","h_4th.txt")
Laplace = sbp.Laplace1D(g,1,op)

init(x) = sin(x)
v = sbp.Grid.evalOn(g,init)
u = zeros(length(v))

sbp.apply!(Laplace,u,v)

@show u
sbp.Grid.plotgridfunction(g,u)