Matrix Math - TI -82 Manual Book

Creating a Matrix with dim
(
dim

MATRIX MATH

of dimensions rows × columns with all elements equal to zero.
{ rows , columns
Redimensioning a Matrix with dim
is used with ¿ to redimension existing matrixname to dimensions
dim
rows × columns. The elements in the old matrixname that are within the
new dimensions are not changed. Any additional elements that are created
are zeros.
{ rows , columns
Fill(
Fill( ( MATRIX MATH
Fill( value ,
identity
(
identity MATRIX MATH
rows × dimension columns.
identity dimension
randM(
(create random matrix,
randM(
rows × columns matrix of random one-digit integers ( L 9 to 9). The values
are controlled by the
randM( rows
) is used with ¿ to create new matrixname
item
3
}!dim matrixname
}!dim matrixname
item 4 ) stores value to every element in matrixname.
matrixname )
item
rand function.
, columns )
) returns the identity matrix of dimension
5
item
MATRIX MATH
) returns a
6
Matrices 10-13