I assumed that SageMath converts the functions into symbolic expressions.
If I enter the following it will work:
f=lambda x: x*sin(x)
diff(f(x),x)
def g(x):
return x*sin(x)
diff(g(x),x)
On Wednesday, August 10, 2016 at 4:01:09 PM UTC-5, Harald Schilly wrote:
>
> On Wed, Aug 10, 2016 at 10:46 PM, Todd Zimmerman
> <todd.zimm...@gmail.com <javascript:>> wrote:
> > You can integrate and differentiate both types of functions in SageMath
> as
> > well as use them for solving differential equations.
>
> So, can you copy/paste us an example? It does work, if that small
> python-function is evaluated and returns a symbolic expression. That
> will work, I don't doubt that, but the python-function in itself is
> then no longer part of this. Key for understanding this is, that
> nested functions are evaluated from the inside out and there is no
> direct concept of lazyness in Python. In some situations, it might
> look like that, so I fully understand that this is confusing.
>
> -- h
>
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