Skip to content

[de] cs-229-linear-algebra#136

Open
bb08 wants to merge 7 commits intoshervinea:masterfrom
bb08:de_LAlgebra
Open

[de] cs-229-linear-algebra#136
bb08 wants to merge 7 commits intoshervinea:masterfrom
bb08:de_LAlgebra

Conversation

@bb08
Copy link

@bb08 bb08 commented Apr 12, 2019

Hey! German natives welcome, happy to have some discussion and corrections about the translation
Cheers

@shervinea shervinea added the reviewer wanted Looking for a reviewer label Apr 12, 2019
@shervinea
Copy link
Owner

Hi @bb08, thank you again for all your work! Would you know someone who could take a look at your translation? After the review phase, we can merge your translation to the repository.

@shervinea shervinea changed the title [de] Linear algebra [de] cs-229-linear-algebra Oct 6, 2020
Copy link

@dee1337 dee1337 left a comment

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

some tweaks (precision and minor spelling corrections) on a - in general - high quality translation

**15. inner product: for x,y∈Rn, we have:**

⟶
⟶ Innere Produkt: Auch Skalarprodukt, Es gilt x,y∈Rn:**
Copy link

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

⟶ inneres Produkt: auch Skalarprodukt, Es gilt x,y∈Rn:**

**26. Trace ― The trace of a square matrix A, noted tr(A), is the sum of its diagonal entries:**

⟶
⟶ Spur - Die Spurabbildung einer quadratischen Matrix A, geschrieben als tr(A), ist die summe der Diagonaleinheiten:
Copy link

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

⟶ Spur - Die Spurabbildung (Spurfunktion) einer quadratischen Matrix A, geschrieben als tr(A), ist die Summe der Diagonaleinheiten:

**29. Remark: A is invertible if and only if |A|≠0. Also, |AB|=|A||B| and |AT|=|A|.**

⟶
⟶ Wichtig: A ist nur invertierbar falls |A|≠0. Weiteres gilt |AB|=|A||B| and |AT|=|A|
Copy link

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

⟶ Wichtig: A ist nur invertierbar, falls |A|≠0. Des Weiteren gilt |AB|=|A||B| and |AT|=|A|

**43. Remark: similarly, a matrix A is said to be positive definite, and is noted A≻0, if it is a PSD matrix which satisfies for all non-zero vector x, xTAx>0.**

⟶
⟶ Wichtig: Ebenfalls gilt, Eine Matrix A ist positiv definit, A≻0, falls diese eine PSD Matrix ist und es gilt für alle Einheiten eines Vektors x ungleich 0: x, xTAx>0.
Copy link

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

⟶ Wichtig: Ebenfalls gilt, dass eine Matrix A positiv definit ist, in der Notatition: A≻0, falls diese eine PSD Matrix ist und es gilt für alle Einheiten eines Vektors x ungleich 0: x, xTAx>0.

**44. Eigenvalue, eigenvector ― Given a matrix A∈Rn×n, λ is said to be an eigenvalue of A if there exists a vector z∈Rn∖{0}, called eigenvector, such that we have:**

⟶
⟶ Eigenwert, Eigenvektor - Sei A∈Rn×n eine Matrix und λ der Eigentwert von A, falls es einen Vektor z∈Rn∖{0} gibt, Eigentvektor genannt, gilt folgendes:
Copy link

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

⟶ Eigenwert, Eigenvektor - Sei A∈Rn×n eine Matrix und λ der Eigenwert von A, falls es einen Vektor z∈Rn∖{0}, Eigenvektor genannt, gibt. Dann gilt:

**45. Spectral theorem ― Let A∈Rn×n. If A is symmetric, then A is diagonalizable by a real orthogonal matrix U∈Rn×n. By noting Λ=diag(λ1,...,λn), we have:**

⟶
⟶ Spektralsatz - Sei A∈Rn×n, falls A eine symmetrische Matrix, dann ist diese diagonalisierbar durch eine orthogonale Matrix U∈Rn×n. Durch Λ=diag(λ1,...,λn) gilt folgendes:
Copy link

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

⟶ Spektralsatz - Sei A∈Rn×n, falls A eine symmetrische Matrix, dann ist diese diagonalisierbar durch eine orthogonale Matrix U∈Rn×n. Mit der Notation Λ=diag(λ1,...,λn) gilt folgendes:

@shervinea
Copy link
Owner

Hi @bb08, please let us know if @dee1337's changes look good to you, in which case we could move forward with merging this translation. Thank you both for your hard work!

@bb08
Copy link
Author

bb08 commented Apr 5, 2021

Hey! Done, I added @dee1337 suggestions

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment

Labels

reviewer wanted Looking for a reviewer

Projects

None yet

Development

Successfully merging this pull request may close these issues.

3 participants