Watashi ga seigi da - L
Sunday, May 17, 2015
Mathematica: Derivatives involving absolute values
Use ComplexExpand. e.g. D[ComplexExpand@Abs[x-1],x]
Source:
http://mathematica.stackexchange.com/questions/47100/derivative-of-the-absolute-value-function-in-mathematica-looks-very-different-fr
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