CASTI-89 TITANIUM · CALC89
rowNorm(
Returns the row norm of a matrix, the largest sum of the absolute values of the entries in any row.
Syntax
rowNorm(Matrix)
- Group
- Matrix
- Arguments
- Takes one matrix.
- Availability
- Included
- Menu path
- MATH ▸ Matrix ▸ CAS ▸ rowNorm(
Example
| Input | Result |
|---|---|
| rowNorm([1,-2;3,4]) | 7 |
Typing rowNorm([1,-2;3,4]) on the home screen and pressing ENTER returns 7.
Keystrokes on the TI-89 Titanium
2NDMATH4▶×3▼×16ENTER
The same key sequence inserts rowNorm( in Calc89, and the AI tutor shows it step by step on the on-screen keypad.
Related commands
- rowSwap(Swaps two rows of a matrix and returns the new matrix.
- rref(Returns the reduced row echelon form of a matrix.
- simult(Solves a system of linear equations given as a coefficient matrix and a column of constants, and returns the solution as a column vector.
- subMat(Returns the part of a matrix between a start row and column and an end row and column.
- trace(Returns the trace of a square matrix, the sum of the entries on its main diagonal.
- transpose(Returns the transpose of a matrix, with rows and columns swapped.
- unitV(Returns the unit vector in the direction of a vector, the vector divided by its length.
- .*Multiplies two matrices element by element, unlike the normal matrix product.