File size: 523 Bytes
57e11c5 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 | from __future__ import annotations
import numpy as np
def generate_sources(samples: int, seed: int) -> tuple[np.ndarray, np.ndarray]:
rng = np.random.default_rng(seed)
source1 = rng.laplace(size=samples) / np.sqrt(2)
source2 = rng.uniform(-np.sqrt(3), np.sqrt(3), size=samples)
sources = np.column_stack([source1, source2]).astype(np.float32)
mixing = np.asarray([[1.0, 0.85], [0.55, 1.25]], dtype=np.float32)
observations = sources @ mixing.T
return sources, observations.astype(np.float32)
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