Category Archives: Tips

HyperDoc fonts problem in Ubuntu 11.04

In a fresh installation of Natty Narwhal HyperDoc (both in FriCAS and Axiom) seems to miss some fonts: (HyperDoc) Cannot load font -adobe-courier-medium-r-normal–18-*-*-*-m-*-iso8859-1 ; using default. (HyperDoc) Cannot load font -adobe-courier-bold-r-normal–18-*-*-*-m-*-iso8859-1 ; using default. (HyperDoc) Cannot load font -adobe-courier-bold-o-normal–18-*-*-*-m-*-iso8859-1 ; … Continue reading

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Animation With Gnuplot. Animating Pendulum

Gnuplot can be used to produce animations in gif format. You only need to choose the appropriate terminal: set terminal gif animate delay 4 Here delay 4 means that there will be 0.01 × 4 seconds between frames in your … Continue reading

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FriCAS Syntax Highlighting

Syntax highlighting seems to be an absolute necessity for editing any source code. However Spad, the language used in FriCAS/Axiom, is not so widespread to have syntax highlighting in major ordinary user text editors, like gedit. Fortunately, one can enable … Continue reading

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Axiom/FriCAS User Interfaces and Qt TeXmacs in Ubuntu

Updated March 24. This post was heavily edited because of new FriCAS version. At last I’ve started learning Axiom (or FriCAS, its fork, they aren’t very different by now). The first difficulty one encounters in Axiom is that it has … Continue reading

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Haskell Syntax Highlighting and WordPress.com

While preparing my first post here I found that there was no default syntax highlighting for Haskell. Among several solutions suggested me by the web I’ve eventually chosen GNU Source-highlight coupled with sed. Here is an example of what you … Continue reading

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