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annotate +util/semidiscrete2function.m @ 357:19495f126f06 feature/beams

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Minor clean up of d4_variable_4.
author Jonatan Werpers <jonatan@werpers.com>
date Mon, 05 Dec 2016 13:10:44 +0100
parents 48b6fb693025
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1 function F = semidiscrete2function(D,S)
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2 % TODO: Find threshhold when sparse makes sense.
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3 % TODO: Why does having the spase block slow down convergence.m (or does it?)
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4 if size(D,1) > 500
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5 D = sparse(D);
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6 end
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7
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8 if ~isa(S,'function_handle')
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9 F = @(w,t)(D*w + S);
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10 else
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11 F = @(w,t)(D*w + S(t));
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12 end
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13 end