On 4/1/19 1:53 AM, Jan Novák wrote:
> Hello, I would like to ask you if there is a way to use graphics in
> windows. I installed FriCAS through sagemath and when I start it by
> typing fricas in sage shell I get an error "viewman not present,
> disabling graphics". Fricas is working just fine but when I try to plot
> something it just does not work. I tried this "draw ( cos (5* t /8) , t
> =0..16*% pi , coordinates == polar )".Thank you for any responses.
>
Hi, I have not installed sage on Windows before, but from the
"viewman not present" message, I think the support for graphics
is not enabled at compile time.
Coincidentally, Tim Daly just writes how to use AXIOM on Windows with X:
https://github.com/daly/axiom/commit/05ea37675103783670f98ac7779f0666a0fd7b19
Basically you need to:
1. Install FriCAS with X11 support.
1.1 You can use WSL (Windows Subsystem for Linux)
1.2 Or compile FriCAS under Cygwin
2. Setup X11 server on Windows
2.1 Tim in the above link uses VcXsrv
2.2 Or it seems Xming could also work
May I ask you why do you want to use graphics of FriCAS?
It is pretty limited in functionality.
- Qian
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