CASTI-89 TITANIUM · CALC89
norm(
Returns the Frobenius norm of a matrix; for a vector this is its length.
Syntax
norm(expr)
- Group
- Matrix
- Arguments
- Takes one matrix or vector.
- Availability
- Included
- Menu path
- MATH ▸ Matrix ▸ CAS ▸ norm(
Example
| Input | Result |
|---|---|
| norm([3,4]) | 5 |
Typing norm([3,4]) on the home screen and pressing ENTER returns 5.
Keystrokes on the TI-89 Titanium
2NDMATH4▶×3▼×14ENTER
The same key sequence inserts norm( in Calc89, and the AI tutor shows it step by step on the on-screen keypad.
Related commands
- QRComputes the QR factorization of a matrix and stores the orthogonal matrix q and the upper triangular matrix r in variables.
- randMat(Returns a matrix of the given size filled with random integers.
- ref(Returns the row echelon form of a matrix, the result of forward Gaussian elimination.
- rowAdd(Adds one row of a matrix to another row and returns the new matrix.
- rowDim(Returns the number of rows of a matrix.
- rowNorm(Returns the row norm of a matrix, the largest sum of the absolute values of the entries in any row.
- rowSwap(Swaps two rows of a matrix and returns the new matrix.
- rref(Returns the reduced row echelon form of a matrix.