mercredi 4 avril 2012

ipython, IDE web, scipy

sudo apt-get install ipython

Lancement de l'interface
ipython notebook --pylab

Installer le logiciel pour le calcul mathématique et scientifique sous python
sudo apt-get install python-scipy

Installation du module pylab
sudo apt-get install python-matplotlib


code source

from scipy import *
from scipy.special import jn, jn_zeros
def drumhead_height(n, k, distance, angle, t):
nth_zero = jn_zeros(n, k)
return cos(t)*cos(n*angle)*jn(n, distance*nth_zero)
theta = r_[0:2*pi:50j]
radius = r_[0:1:50j]
x = array([r*cos(theta) for r in radius])
y = array([r*sin(theta) for r in radius])
z = array([drumhead_height(1, 1, r, theta, 0.5) for r in radius]) import pylab
from mpl_toolkits.mplot3d import Axes3D
from matplotlib import cm
fig = pylab.figure()
ax = Axes3D(fig)
ax.plot_surface(x, y, z, rstride=1, cstride=1, cmap=cm.jet)
ax.set_xlabel('X')
ax.set_ylabel('Y')
ax.set_zlabel('Z')
pylab.show()

Sources
http://ipython.org/ipython-doc/stable/interactive/htmlnotebook.html
http://docs.scipy.org/doc/scipy/reference/tutorial/special.html
http://docs.scipy.org/doc/

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