CASTI-89 TITANIUM · CALC89
colDim(
Returns the number of columns of a matrix.
Syntax
colDim(expr)
- Group
- Matrix
- Arguments
- Takes one matrix.
- Availability
- Included
Example
| Input | Result |
|---|---|
| colDim([[1,2,3][4,5,6]]) | 3 |
Typing colDim([[1,2,3][4,5,6]]) on the home screen and pressing ENTER returns 3.
Related commands
- colNorm(Returns the column norm of a matrix, the largest sum of the absolute values of the entries in any column.
- 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.