I donot quite get the meaning of "Wild" class, If I have an equation,
say,
a*f(x).diff(x,x) + b*diff(f(x), x) + c*f(x) +d =0
Does
a = Wild('a', exclude=[f(x)])
b= Wild('b', exclude=[f(x)])
c = Wild('c', exclude=[f(x)])
give the coefficients of f(x).diff(x,x) , diff(f(x), x) , f(x) ,
respectively?
Or is there a better way to extract the coefficients even when a, b,
c, d may be functions about x?
In fact, the above code is in "solves.py" and I get confused there.
Hope you guys can help me out.
Pan
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