>
> Hi, you cannot mix python syntax with building a symbolic expression when
> solving ... the root problem is, that expressions are "built up" and not
> evaluated, while python functions are evaluated from the inside.
>
Thank you. Where can I find some more documentation on this?
Try: g(x) = heaviside(f(x)) * f(x)
>
Now it plots correctly. However, I am not able to solve the equation. If
for example I try
solve([g(x)==y,y==x],[x,y])
it returns:
[-(2*x - 5)*heaviside(-2*x + 5) == y,y == x ]
and things do not improve if I substitute:
solve(g(y)==y,y)
SageMath seems unable to solve function with heaviside in their definition
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