CASTI-89 TITANIUM · CALC89
colNorm(
Returns the column norm of a matrix, the largest sum of the absolute values of the entries in any column.
Syntax
colNorm(Matrix)
- Group
- Matrix
- Arguments
- Takes one matrix.
- Availability
- Included
- Menu path
- MATH ▸ Matrix ▸ CAS ▸ colNorm(
Example
| Input | Result |
|---|---|
| colNorm([1,-2;3,4]) | 6 |
Typing colNorm([1,-2;3,4]) on the home screen and pressing ENTER returns 6.
Keystrokes on the TI-89 Titanium
2NDMATH4▶×3▼×17ENTER
The same key sequence inserts colNorm( in Calc89, and the AI tutor shows it step by step on the on-screen keypad.
Related commands
- constructMat(Builds a matrix by evaluating an expression in two index variables for every row and column position.
- crossP(Returns the cross product of two vectors.
- det(Returns the determinant of a square matrix.
- diag(Returns the main diagonal of a square matrix as a row vector.
- dim(Returns the dimensions of a matrix as {rows, columns}, or the number of elements of a list.
- dotP(Returns the dot product of two vectors.
- eigVc(Returns the eigenvectors of a square matrix as the columns of a matrix.
- eigVl(Returns the eigenvalues of a square matrix as a list.