import numpy as np

x = np.ones((2, 3, 4,5 ))
print('x:')
print(x.shape)
print(x)

y = np.transpose(x)
print('y:')
print(y.shape)
print(y)

x = np.array([1,2,3,4,5])

print(x)
print(x.mean())
print(x.std())
print(10**(1/2))


data = np.array([
	[1,3+1],
	[2,6+1],
	[3,9+1],
	[4,12+1],
	[5,15+1],
	])

n = data.shape[0]
x_init = data[:,0]
x = np.c_[x_init.reshape(n, -1), np.ones((n, 1))]
print(x)

x = np.array([1,2,3,4,5,6,7,8,9,10])
print(x**2)
x = x**2
print(x.sum())