Linear Algebra and Matrix Operations

Solve systems of equations, invert matrices and decompose them with numpy.linalg and scipy.linalg.

Easy

import numpy as np
A = np.array([[3, 1], [1, 2]]); b = np.array([9, 8])
x = np.linalg.solve(A, b)          # [2., 3.]
A @ x                               # matrix multiply
np.linalg.det(A), np.linalg.inv(A)

Nodal circuit analysis is exactly "solve $Gv = i$ ".

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