Hello. I am new to sympy and have been searching the docs for an hour
or so looking for a way to symbolically differentiate matrices or
vectors. Am I correct that there is currently no way to do this? As
an example, I would like to symbolically differentiate as follows:
n, i, j = symbols('n m i j k dim', integer=True)
i = Idx('i', n)
x = IndexedBase('x', shape=(n,1))
s = Sum(1/x[j,1]**2, (j, 0, n))
pprint(s)
ds = s.diff(x)
pprint(ds)
The diff() command gives an error here.
Thanks, John
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