matplotlib Window . Spider Linux .
import matplotlibasmpl
mpl.rcParams['font.family'] = 'fantasy'
mpl.rcParams['font.fantasy'] = 'Arial'
:
# Cyrillic letters in Matplotlib,# thanks to Alexey for solution, see http://koldunov.net/?p=290#comments
from matplotlib import rc
rc('font',**{'family':'serif'})
rc('text', usetex=True)
rc('text.latex',unicode=True)
rc('text.latex',preamble='\usepackage[utf8]{inputenc}')
rc('text.latex',preamble='\usepackage[russian]{babel}')
, , , , , fontdict={'family':'verdana'}.
Dimitry http://sky2high.net/2012/10/matplotlib-----/
from matplotlib import rc
font = {'family': 'Verdana', 'weight': 'normal'} rc('font', **font)
SymPy
, , . , : Real, Rational Integer (, , ), , SymPy . .evalf(), , ,
-sqrt(5)/7 + 2
from sympy import *
eq = sympify('(x/y)-z', locals={'x': 10, 'z': 5})
solution = solve(eq, dict=True)
print (solution)
:c sympy ( , , ). ( : , )
from sympy import *
x,y = symbols('xy')#
equation=1/(1+x)-x # : y/x=(x+y)/y, y=1
res=solve(equation)
print (res)
res1=[n.evalf() for n in res]#
print (res1)
t=y1+(x-x1)*(y2-y1)/(x2-x1)
f=sympy.integrate(t, x)
Pandas
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