Re: [fricas-devel] interoperability with sage again

2018-07-22 Thread Waldek Hebisch
Martin R wrote: > unfortunately, I just discovered a problem: > > (18) -> unparse(sum(1/factorial(k), k=1..n+m)::INFORM) > >>> Error detected within library code: >strsym: form is neither a string or symbol > > I am trying to fix it... There is a bug in unparse of SEGMENT:

Re: [fricas-devel] interoperability with sage again

2018-07-22 Thread 'Martin R' via FriCAS - computer algebra system
Thank you! unfortunately, I just discovered a problem: (18) -> unparse(sum(1/factorial(k), k=1..n+m)::INFORM) >> Error detected within library code: strsym: form is neither a string or symbol I am trying to fix it... Martin -- You received this message because you are subscribed to

Re: [fricas-devel] interoperability with sage again

2018-07-22 Thread Waldek Hebisch
Martin R wrote: > > If possible, could you please commit for me? OK, commited. -- Waldek Hebisch -- You received this message because you are subscribed to the Google Groups "FriCAS - computer algebra system" group. To unsubscribe from this group and stop

Re: [fricas-devel] Expressing erf as cumulative normal

2018-07-22 Thread Waldek Hebisch
Slawomir Kolodynski wrote: > > I am learning FriCAS so please excuse my basic questions and point me to > better place to ask them is such exists. > > FriCAS is able to evaluate some integrals in terms of the Gauss error > function (erf). For example > >

[fricas-devel] Expressing erf as cumulative normal

2018-07-22 Thread Slawomir Kolodynski
I am learning FriCAS so please excuse my basic questions and point me to better place to ask them is such exists. FriCAS is able to evaluate some integrals in terms of the Gauss error function (erf). For example (1/(sqrt(2*%pi)))*integrate(exp(-t^2/2),t=%minusInfinity..x) returns an