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diff diffSymfun.m @ 696:7c16b5af8d98 feature/quantumTriangles

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Add Jonatans symbolic lifehax
author Ylva Rydin <ylva.rydin@telia.com>
date Thu, 05 Oct 2017 18:04:23 +0200
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/diffSymfun.m	Thu Oct 05 18:04:23 2017 +0200
@@ -0,0 +1,7 @@
+% Differentiates a symbolic function like diff does, but keeps the function as a symfun
+function g = diffSymfun(f, varargin)
+    assertType(f, 'symfun');
+
+    args = argnames(f);
+    g = symfun(diff(f,varargin{:}), args);
+end