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annotate subsSymfun.m @ 1310:eb015fe9605b feature/poroelastic

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Add viscoelastic displacement BC for normal-tangential. Bugfix traction BC for normal-tangential
author Martin Almquist <malmquist@stanford.edu>
date Mon, 20 Jul 2020 22:06:33 -0700
parents 489bea7fc33f
children
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489bea7fc33f Add some functions to make symbolic life easier
Jonatan Werpers <jonatan@werpers.com>
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1 % Subs for a symfun
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2 % f remains a symbolic function. If any of it's arguments is eliminated
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3 % it is removed from the argument list while preserving the order of the
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4 % other arguments
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5 function f = subsSymfun(f, old, new)
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6 args = argnames(f);
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7
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8 newExpr = subs(f, old, new);
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9 vars = symvar(subs(args, old, new));
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10
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11 newArgs = args(ismember(args,vars));
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12
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13 f = symfun(newExpr, newArgs);
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14 end