circuitpython-ulab/tests/cholesky.py
2020-03-11 07:04:26 +01:00

17 lines
408 B
Python

import ulab
from ulab import linalg
a = ulab.array([[1, 2], [2, 5]])
print(linalg.cholesky(a))
b = a = ulab.array([[25, 15, -5], [15, 18, 0], [-5, 0, 11]])
print(linalg.cholesky(b))
c = ulab.array([[18, 22, 54, 42], [22, 70, 86, 62], [54, 86, 174, 134], [42, 62, 134, 106]])
print(linalg.cholesky(c))
# this throw a ValueError exception
d = ulab.array([[25, 15, -5], [15, 18, 0], [-5, 0, 1]])