EigenMathScript01
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=Script for Failed to parse (Cannot write to or create math temp directory): f(x) = x, x \in (-\pi, \pi) <\math> , where <math>f<\math> is <math>2\pi<\math> - periodic= a=0 a(n)=0 b(n) = (2 (-1)^(n+1))/n N=10 f(x) = a+ sum(n,1,N, a(n) * cos(n*x)+b(n)*sin(n*x)) draw(f)