def tensor_product_ref()

in tutorials/LinearAlgebra/testing.py [0:0]

• 15 lines of code
• 6 McCabe index (conditional complexity)

def tensor_product_ref(a, b):
    n = len(a)
    m = len(a[0])
    k = len(b)
    l = len(b[0])
    
    ans = []
    for i in range(n * k):
        row = [0] * m * l
        ans.append(row)
    
    for i in range(n):
        for j in range(m):
            for o in range(k):
                for p in range(l):
                    ans[i * k + o][j * l + p] = a[i][j] * b[o][p]
    
    return ans