fx-9860GII
Dim Mat
On a Casio calculator you can handle the dimension of a matrix
MAT ▷ Dim ▷ Mat OPTN F2 F6 F2 F6 F1 Matrix name EXE
The dimension is the number of rows and columns of the matrix.
You can use the command any time in the RUN·MAT, STAT, TABLE, EQUA and PRGM modes.
Example 1
To check the dimension of Mat A
MAT ▷ Dim ▷ Mat OPTN F2 F6 F2 F6 F1 A EXE
or via the catalog as
CATALOG P INPUT CATALOG P INPUT SHIFT 4 Dim F1 SHIFT 4 Mat F1 A EXE
which gives for SET UP Input/Output Line
AnS 1 1 2 2 2
and for SET UP Input/Output Math
Dim Mat A {2,2}
Example 2
To specify dimensions of 2 rows and 3 columns for Mat G
{ S } T MAT ▷ Dim ▷ Mat SHIFT × 2 ٬ 3 SHIFT ÷ ➞ OPTN F2 F6 F2 F6 F1 G EXE
and this gives for SET UP Input/Output Math
{2,3}➔Dim Mat G
0 0 0 0 0 0