[solow.md] Update np.random → Generator API#739
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Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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HumphreyYang
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May 21, 2026
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Summary
This PR migrates legacy NumPy random API usage in
solow.mdas part of QuantEcon/meta#299.np.random.randn()withrng.standard_normal()in thelognorm()function inside thesolow_ex2solution block.rng = np.random.default_rng()to the constants block at the start of the solution, keeping the solution block self-contained.Details
rng = np.random.default_rng()was placed in the block headed by the comment# Define the constants. Strictly speaking,rngis not a model constant. If you feel the wording or placement should be adjusted (e.g. a blank line beforerng =, or a separate comment), I would be happy to hear your thoughts.Hi @mmcky and @HumphreyYang, I'd be grateful if you could take a look when you have time.