In [3]:

    

try:
    from sympy import init_session
except:
    !pip3 install sympy
    from sympy import init_session

init_session(use_latex='matplotlib')


    

    




IPython console for SymPy 1.5.1 (Python 3.7.7-64-bit) (ground types: python)

These commands were executed:
>>> from __future__ import division
>>> from sympy import *
>>> x, y, z, t = symbols('x y z t')
>>> k, m, n = symbols('k m n', integer=True)
>>> f, g, h = symbols('f g h', cls=Function)
>>> init_printing()

Documentation can be found at https://docs.sympy.org/1.5.1/

In [4]:

    

# https://github.com/AeroPython/Taller-Aeropython-PyConEs16
expr = cos(x)**2 + sin(x)**2
expr


    

    
Out[4]:

In [5]:

    

simplify(expr)


    

    
Out[5]:

In [6]:

    

expr.subs(x, y**2)


    

    
Out[6]:

In [7]:

    

expr = (x + y) ** 2
expr


    

    
Out[7]:

In [8]:

    

expr = expr.expand()
expr


    

    
Out[8]:

In [9]:

    

expr = expr.factor()
expr


    

    
Out[9]:

In [10]:

    

expr = expr.integrate(x)
expr


    

    
Out[10]:

In [11]:

    

expr = expr.diff(x)
expr


    

    
Out[11]: