In [2]:

    

# setup SymPy
from sympy import *
x, y, z, t = symbols('x y z t')
init_printing()

# setup plotting
%matplotlib notebook
import matplotlib.pyplot as mpl
from util.plot_helpers import plot_vec, plot_vecs, autoscale_arrows


    

In [5]:

    

simplify(sin(2*x)*cos(2*x))


    

    
Out[5]:





$$\frac{1}{2} \sin{\left (4 x \right )}$$

In [11]:

    

a = Matrix([1,1,1])
a.


    

    
Out[11]:





$$\left[\begin{matrix}1\\1\\1\end{matrix}\right]$$

In [14]:

    

S(1)/3


    

    
Out[14]:





$$\frac{1}{3}$$

In [15]:

    

type(1)


    

    
Out[15]:





int

In [16]:

    

type(S(1))


    

    
Out[16]:





sympy.core.numbers.One

In [17]:

    

float(S(1)/3)


    

    
Out[17]:





$$0.3333333333333333$$

In [18]:

    

N(S(1)/3)


    

    
Out[18]:





$$0.333333333333333$$

In [24]:

    

pi.n(100)
type(pi.n(100))


    

    
Out[24]:





sympy.core.numbers.Float

In [20]:

    

e


    

    




---------------------------------------------------------------------------
NameError                                 Traceback (most recent call last)
<ipython-input-20-094e3afb2fe8> in <module>()
----> 1 e

NameError: name 'e' is not defined

In [21]:

    

E


    

    
Out[21]:





$$e$$

In [ ]: