linear_algebra#

  • Series: lecture-python.myst

  • File: lectures/linear_algebra.md

  • Audit date: 2026-05-28

  • Categories audited: writing, math, code, figures, references, links, admonitions

  • Overall score: 7.8 / 10

  • Priority: LOW

Score breakdown#

Category

Score

One-line note

Writing

6/10

Section/subsection headings use Title Case rather than sentence case.

Math

5/10

Transpose denoted ' (prime) and/or ^T instead of \top.

Code

8.5/10

Spelled-out Greek (alpha/beta/etc.) used predominantly in code; mixed with unicode forms…

JAX

out of scope

not a JAX lecture

Figures

9/10

figsize= set in 5 places — usually unnecessary.

References

9/10

Citation style follows conventions.

Links

7/10

1 full URL(s) to same series.

Admonitions

10/10

Exercise/solution structure clean.

Issues#

Critical#

None found.

High severity#

  • [qe-math-002] — Transpose denoted ' (prime) and/or ^T instead of \top. Examples: line 847 $\hat x = (A'A)^{-1}A'y$.... Count: 108 occurrences.

  • [qe-writing-006] — Section/subsection headings use Title Case rather than sentence case. Examples: line 124, line 220, line 391. Count: 19 headings affected.

  • [qe-link-002] — 6 direct URLs to other QuantEcon series — should use {doc} intersphinx links. Examples: line 68, line 206, line 610.

Medium severity#

  • [qe-code-002] — Spelled-out Greek (alpha/beta/etc.) used predominantly in code; mixed with unicode forms (word=22, uni=1).

Low severity#

  • [qe-fig-001] — figsize= set in 5 places — usually unnecessary.

  • [qe-fig-005] — Figures lack descriptive name: fields for cross-referencing (8 plot calls, 0 named).

  • [qe-link-001] — 1 full URL(s) to same series. Examples: line 847.

Strengths#

  • Uses “IID” or no IID terminology.

  • No bold vectors/matrices.

  • Normal distribution written as plain N.

  • aligned (not align) used in $$ math.

  • Solutions use :class: dropdown consistently.

  • No ax.set_title() in main figures.

  • Axis labels lowercase.

  • No embedded matplotlib titles in main figures.