In [1]:

    

z0 = 3 + 4im


    

    
Out[1]:





3 + 4im

In [3]:

    

z0^2 + im*real(z0) + imag(z0)


    

    
Out[3]:





-3 + 27im

In [1]:

    

f(z) = z^2 + 1

g(z) = z^3


    

    
Out[1]:





g (generic function with 1 method)

In [2]:

    

f(1)


    

    
Out[2]:





2

In [3]:

    

g(g(g(im)))


    

    
Out[3]:





0 - 1im

In [ ]: