Definitionintro
Positive definite matrix
Also called SPD matrix.
A symmetric matrix with x^T A x > 0 for every nonzero x.
A symmetric matrix with x^T A x > 0 for every nonzero x.
About this page
The build computes these levels from the evidence in the repository. Each row says what the next level needs. Read what the levels mean.
| Ladder | Level | What the next level needs |
|---|---|---|
| Human proof | H0 no proof |
|
| Lean | L0 no Lean part |
|
| Visual | V0 none |
|
| Writing | W0 stub |
|
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