Hi everyone, I just checked out one of first page in the "Constructions" page:
http://www.sagemath.org.nyud.net/doc/constructions/calculus.html Just after the first example "Differentiation" sage: var('x k w') (x, k, w) sage: f = x^3 * e^(k*x) * sin(w*x); f x^3*e^(k*x)*sin(w*x) sage: f.diff(x) k*x^3*e^(k*x)*sin(w*x) + w*x^3*e^(k*x)*cos(w*x) + 3*x^2*e^(k*x)*sin (w*x) sage: latex(f.diff(x)) k x^{3} e^{\left(k x\right)} \sin\left(w x\right) + w x^{3} e^{\left(k x\right)} \cos\left(w x\right) + 3 \, x^{2} e^{\left(k x\right)} \sin \left(w x\right) there is "If you type view(f.diff('x')) another... " When I do that, I get a long error message, which could frighten off (it is the first example...). With "view(f.diff(x))" it works. However, if the function is defined via f = maxima(....) then both ways work: view(f.diff('x')), view(f.diff(x)) I don't know if this is intended, but at least on the website it should be changed, not to get the error. Greets, Stefan
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