Install python-numpy python-scipy python-matplotlib on Ubuntu !
$MT:~/Downloads/chaos$ sudo apt-get install python-numpy python-scip...-tz tk8.6-blt2.5 ttf-bitstream-vera Suggested packages: blt-d...hon-tz tk8.6-blt2.5 ttf-bitstream-vera 0 upgraded, 18 newly install...onic/universe amd64 ttf-bitstream-ver...unselected package ttf-bitstream-vera....1555 days ago