David wrote:

> You can try this:
>
> sage: t = var('t')
> sage: y = function('y', t)
> sage: de = lambda y: diff(y,t) - (4/100)*y
> sage: desolve_laplace(de(y(t)),["t","y"],[0,100])
> '100*%e^(t/25)'
>
> This was just implemented.

What version of Sage do you think desolve_laplace will be in?  I just
looked for this function in the public Notebook  ( 'SAGE Version
2.8.2, Release Date: 2007-08-22' ) but it was not present.

Thanks :-)

Ted

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