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Changed the structure to correspond with PEP8 convention.
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@ -1,4 +1,6 @@
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import numpy as np
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def lanczos(a: np.ndarray) -> tuple[list[float], list[float]]:
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"""
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Implements the Lanczos algorithm for a symmetric matrix.
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@ -20,8 +22,8 @@ def lanczos(a: np.ndarray) -> tuple[list[float], list[float]]:
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rng = np.random.default_rng()
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v[:, 0] = rng.standard_normal(n)
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v[:, 0] /= np.linalg.norm(v[:, 0])
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alpha : list[float] = []
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beta : list[float] = []
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alpha: list[float] = []
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beta: list[float] = []
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for j in range(n):
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w = np.dot(a, v[:, j])
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alpha.append(np.dot(w, v[:, j]))
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