from math import log def calc(i,j): return 2**j*(i-4.4)*(log(abs((i+j+1)/3))) matrix = [[calc(i,j) for j in range(5)] for i in range(5)] print(matrix) maximum = max([max(sub) for sub in matrix]) print(maximum) vectors = [[max([val*1,1]) for val in sub] for sub in matrix] print(vectors)