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[numpy] Duplicated {index} directive under Matrix Multiplication

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Assessment

Difficulty
1/5
Estimated time
Under an hour
Newbie friendliness
90/100
Issue type
Documentation
Clarity
Clearly specified
Activity status
Quiet
Tech stack
numpy
Domain
documentation

Research direction

Open numpy.md and inspect lines 432–438 under the "Matrix Multiplication" heading. Remove one of the two consecutive identical {index} directives, then confirm that only one NumPy; Matrix Multiplication entry remains and the source matches the cleaned French edition.

Written by the indexing model from the issue text.

Description

numpy.md carries the same index directive twice, back to back, under the "Matrix Multiplication" heading (lines 432–438):

```{index} single: NumPy; Matrix Multiplication

One of the two should be removed.

Found during native-editor review of the French edition, where the duplication had been carried over by translation; the French copy was cleaned up in QuantEcon/lecture-python-programming.fr#24. Until it is removed here, the French edition deliberately diverges from the source at this spot. Same discovery path as #594.
Dominant language
JavaScript
Stars
72
Forks
31
Avg merge
2d 20h
Merged PRs (30d)
8

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