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[qr_decomp] Some updates to code and wording - #1044

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jstac merged 7 commits into
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qr_decomp_update
Sep 1, 2026
Merged

[qr_decomp] Some updates to code and wording#1044
jstac merged 7 commits into
mainfrom
qr_decomp_update

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@longye-tian

@longye-tian longye-tian commented Aug 26, 2026

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Hi @jstac,

This PR updates the qr_decomp lecture in line with #1043. In particular,

  • update the matrix dimensions and upper-trapezoidal structure.
  • updates typos, headings and format according our style guide.
  • updates the QR sign convention to use the diagonal of R so a zero diagonal will not cause problems.
  • update the code on integer to floating point in the QR eigenvalue iteration.

Best,
Longye

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github-actions Bot commented Aug 26, 2026

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📖 Netlify Preview Ready!

Preview URL: https://pr-1044--sunny-cactus-210e3e.netlify.app

Commit: 5c2d843

📚 Changed Lectures


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@longye-tian longye-tian changed the title add dimension and specify upper trapezoidal matrix [qr_decomp] Some updates to code and wording Aug 26, 2026
@longye-tian longye-tian self-assigned this Aug 26, 2026
@longye-tian longye-tian added the enhancement New feature or request label Aug 26, 2026
@longye-tian longye-tian linked an issue Aug 26, 2026 that may be closed by this pull request
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@longye-tian
longye-tian requested a review from jstac September 1, 2026 02:41
@longye-tian
longye-tian marked this pull request as ready for review September 1, 2026 02:43
@jstac

jstac commented Sep 1, 2026

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Great work @longye-tian , much appreciated!

Everything is nice and I'm going to merge.

@jstac
jstac merged commit 139ee3d into main Sep 1, 2026
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@jstac
jstac deleted the qr_decomp_update branch September 1, 2026 04:30
@mmcky

mmcky commented Sep 1, 2026

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✅ Translation sync completed (zh-cn)

Target repo: QuantEcon/lecture-python.zh-cn
Translation PR: QuantEcon/lecture-python.zh-cn#277
Files synced (1):

  • lectures/qr_decomp.md

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[qr_decomp] Some suggestion on the code an wording

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