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Nina Petrova · OfCourse

NP

Nina Petrova

Georgia Tech Verified(verified university email)

@ninap

Mathematics · Georgia Tech · Class of 2026

Joined November 2025

4Contributions

33Lumens

2Comments

2Courses

Featured contributions

Concept ExplanationEigenvectors: the directions a matrix doesn't turnRadiant · 20 litMATH 1554

Posts2

20. Radiant · 20 lit, 0 off.

Concept ExplanationMATH 1554

Eigenvectors: the directions a matrix doesn't turn

NPNina Petrova33 Lumens·Georgia Tech

Recent comments

on Best way to build intuition for linear transformations?· MATH 1554 · 4 weeks agoWatch where the two basis vectors go. The columns of the matrix are literally where they land.
on Dijkstra's algorithm in plain English· CS 1332 · last monthFor negative edges, look into Bellman-Ford. Slower, but it handles them.

Courses

CS 1332
Data Structures & Algorithms
Spring 2025 · 2 contributions
MATH 1554
Linear Algebra
Spring 2025 · 2 contributions

(verified university email)

·Spring 2026

·

2 months ago

Most vectors change direction when you multiply them by a matrix. Eigenvectors are the special ones that only get stretched or shrunk, and the eigenvalue is the stretch factor. So Av = λv literally says "A acts on v like plain multiplication by λ." To find the…

4. Dim · 4 lit, 4 off.

Study AdviceCS 1332

You can skip lectures, the slides are enough

NPNina Petrova33 Lumens·Georgia Tech(verified university email)·Fall 2025·2 months ago

I skipped most lectures and read the slides the night before. Worked out okay I guess.