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annotate subsSymfun.m @ 774:66eb4a2bbb72 feature/grids

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Remove default scaling of the system. The scaling doens't seem to help actual solutions. One example that fails in the flexural code. With large timesteps the solutions seems to blow up. One particular example is profilePresentation on the tdb_presentation_figures branch with k = 0.0005
author Jonatan Werpers <jonatan@werpers.com>
date Wed, 18 Jul 2018 15:42:52 -0700
parents 489bea7fc33f
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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489bea7fc33f Add some functions to make symbolic life easier
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1 % Subs for a symfun
489bea7fc33f Add some functions to make symbolic life easier
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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
489bea7fc33f Add some functions to make symbolic life easier
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5 function f = subsSymfun(f, old, new)
489bea7fc33f Add some functions to make symbolic life easier
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6 args = argnames(f);
489bea7fc33f Add some functions to make symbolic life easier
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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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11 newArgs = args(ismember(args,vars));
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13 f = symfun(newExpr, newArgs);
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14 end