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view SbpOperators/operators/d2_4th.txt @ 245:d9e262cb2e8d boundary_conditions

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Rename apply_e and _d to _e_T and _d_T. Implement _e _d and using them in laplace.jl
author Jonatan Werpers <jonatan@werpers.com>
date Thu, 27 Jun 2019 12:49:58 +0200
parents 6e3cdf57f0a1
children
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# D2 order 4

boundary_stencils
     2    -5       4      -1     0     0
     1    -2       1       0     0     0
 -4/43 59/43 -110/43   59/43 -4/43     0
 -1/49     0   59/49 -118/49 64/49 -4/49

inner_stencil
-1/12     4/3  -5/2   4/3 -1/12

e
1

d1
-11/6 3 -3/2 1/3