University Linear Algebra Inner Products and Orthogonality — Unit Notes
Every definition and theorem this unit expects you to know, stated once each and written to be revised from: 5 definitions and 6 theorems, 5 worked examples, 1 diagram, in 11 printable pages. This page lists what the notes cover. The notes themselves come with the University Linear Algebra bundle.
Unit notes — in the bundle
Not sold separately. The practice worksheet for this unit is free, with no email and no account.
Inner Products and Orthogonality — what the notes cover
6 sections, in the order the unit is taught. Each entry below is the title of a definition or a theorem the notes state in full.
What you need
Also in this section: 1 note on method and common errors.
Inner product, norm and distance in n-space
- Definition — Inner product
- Definition — Norm, distance and angle
- Theorem — Rules for norms
Also in this section: 1 worked example, 1 note on method and common errors.
Inner products on polynomial and function spaces
- Definition — Inner products on function, polynomial and matrix spaces
Also in this section: 1 worked example, 1 note on method and common errors.
Orthogonal and orthonormal sets
- Definition — Orthogonal and orthonormal sets
- Theorem — Orthogonal sets are independent
- Theorem — Pythagorean theorem
Also in this section: 1 worked example, 1 note on method and common errors.
Coordinates relative to an orthogonal basis
- Theorem — Coordinates relative to an orthogonal basis
Also in this section: 1 worked example, 1 note on method and common errors, 1 diagram.
The orthogonal complement of a subspace
- Definition — Orthogonal complement
- Theorem — Properties of the orthogonal complement
- Theorem — Complements of the row space and the column space
Also in this section: 1 worked example, 1 note on method and common errors.
Where the notes are
The notes are one of the documents in the University Linear Algebra Solutions Bundle, beside the unit test, the challenge problems and every worked answer key. The Inner Products and Orthogonality practice worksheet is free and stays free.
Every University Linear Algebra topic — the complete Solutions Bundle
One download, one payment, the whole program. For all 9 University Linear Algebra units: the worksheet, the reference notes, the challenge set, the unit test and every answer key — these notes included.
- Worked solutions, not answer lists — every step written out
- Covers the whole year's program at this level
- Less than the price of one hour of tutoring — for the entire year's solutions
Practise it, then test yourself
Notes on their own do not make anything stick. This unit has a free, printable practice worksheet, and an end-of-unit test that comes with the bundle.
Inner Products and Orthogonality practice worksheet About the Inner Products and Orthogonality unit test