math_max_min.py

import numpy as np

# f(x, y) return this array
data = np.array([
  [3, 6, 4, 2],
  [1.1, 0.5, 0.1, 0.9],
  [4, 0.3, 2.3, 8.9]
])

x = {"1.1": data[0], "4.2": data[1], "-3": data[2]}
y = {"10": data[:, 0], "2.8": data[:, 1], "38": data[:, 2], "41": data[:, 3]}


#  max f (x, y)
#   y
# 數學公式

for i in x:
  m = max(x[i].tolist())
  mi = x[i].tolist().index(m)
  yi = list(y.keys())[mi]
  print("y=%s value=%s" % (yi, str(mi)))