/* MATRICES */
class Matrix(object):
def Print(m):
def Identity(n):
def Mul(m1, m2):
def Div(m, k):
def Add(m1, m2):
def Sub(m1, m2):
def Pow(m, k):
/* FUNCTIONS */
class Functions(object):
def Exp(m):
def Cos(m):
def Sin(m):
def CosH(m):
def SinH(m):
def main():