Python Tasks & ML | Задачи по питону и машинному обучению

import numpy as np
a = np.arange(4)
b = a.transpose()
x = a.shape == b.shape
print(x)

import numpy as np
a = np.linspace(1, 4, 4)
b = a.reshape(2, 2)
b[0, 0] = 0
print(a[0] + b[0, 0] + b[1, 1])

import numpy as np
a = np.linspace(1, 4, 4)
# ваш код
print(a)

import numpy as np
x = np.array([[1, 2], [3, 4]])
a = x.flatten()
b = x.ravel()
a[0] = 0
b[1] = 0
print(x.sum())

import numpy as np
x = np.array([[1], [2]])
a = x.ravel()
a[0] = 0
print(x.sum())

import numpy as np
a = np.array([[1, 2], [3, 4], [5, 6]])
b = a.flatten()
print(len(a), len(b))

import numpy as np
a = np.arange(4)
b = a / 0
print(b)

import numpy as np
a = np.linspace(1, 3, 3) ** 3
x = a > 20
y = a < 8
print(x ^ y)

import numpy as np
a = np.array(((0, 1), (2, 3)))
b = a
x = np.sum(a * b)
y = np.sum(a @ b)
z = np.sum(a.dot(b))
print(x == y, y == z)

import numpy as np
x1 = np.linspace(0, 5, 5, endpoint=False)
y1 = np.linspace(0, 5, 5, endpoint=True)
x2 = np.linspace(0, 5, 5, endpoint=False)
y2 = np.linspace(0, 4, 5, endpoint=True)
print(np.sum(x1) == np.sum(y1), np.sum(x2) == np.sum(y2))