Mercurial > repos > public > sbplib

annotate gridDerivatives.m @ 982:a0b3161e44f3 feature/getBoundaryOp

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Add the following methods in LaplaceCurvilinear: getBoundaryOperator, getBoundaryQuadrature, getBoundaryBorrowing. Remove get_boundary_ops. Make interface and boundary_condition methods use the new methods.
author Martin Almquist <malmquist@stanford.edu>
date Tue, 08 Jan 2019 11:51:24 +0100
parents 48b6fb693025
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
0
48b6fb693025 Initial commit.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
1 % Calculates derivatives in all directions of function.
48b6fb693025 Initial commit.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
2 % Uses multi-dim vector form.
48b6fb693025 Initial commit.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
3 % gridDerivatives(F,Dx,Dy)
48b6fb693025 Initial commit.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
4 % gridDerivatives(F,Dx,Dy,Dz)
48b6fb693025 Initial commit.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
5 function varargout = gridDerivatives(F, varargin)
48b6fb693025 Initial commit.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
6 assert(length(varargin) == ndims(F));
48b6fb693025 Initial commit.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
7
48b6fb693025 Initial commit.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
8 switch ndims(F)
48b6fb693025 Initial commit.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
9 case 2
48b6fb693025 Initial commit.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
10 varargout{1} = (varargin{1}*F')';
48b6fb693025 Initial commit.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
11 varargout{2} = varargin{2}*F;
48b6fb693025 Initial commit.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
12 otherwise
48b6fb693025 Initial commit.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
13 error('Not implemented for ndims(F) = %d',ndims(F));
48b6fb693025 Initial commit.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
14 end
48b6fb693025 Initial commit.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
15 end