def cos_function(tab):
mat = matrice.matrice_identity(len(tab))
for i in range(1, 30):
if i % 2 == 0:
mult = matrice.matrice_multiplication_by_coef(tab, 2 * i)
mult2 = matrice.matrice_division(mult, factorial(2 * i))
mat = matrice.matrice_addition(mat, mult2)
else:
mult = matrice.matrice_multiplication_by_coef(tab, 2 * i)
mult2 = matrice.matrice_division(mult, factorial(2 * i))
mat = matrice.matrice_substraction(mat, mult2)
return mat
def sin_function(tab):
mat = tab
for i in range(1, 30):
if i % 2 == 0:
mult = matrice.matrice_multiplication_by_coef(tab, 2 * i + 1)
mult2 = matrice.matrice_division(mult, factorial(2 * i + 1))
mat = matrice.matrice_addition(mat, mult2)
else:
mult = matrice.matrice_multiplication_by_coef(tab, 2 * i + 1)
mult2 = matrice.matrice_division(mult, factorial(2 * i + 1))
mat = matrice.matrice_substraction(mat, mult2)
return mat
def exp_function(tab):
mat = matrice.matrice_identity(len(tab))
for i in range(1, 30):
mult = matrice.matrice_multiplication_by_coef(tab, i)
mult2 = matrice.matrice_division(mult, factorial(i))
mat = matrice.matrice_addition(mat, mult2)
return mat