Texas Instruments TI-84 PLUS - Graphing Calculator Manual Book page 163

Note: dim(matrix) " Ln:Ln(1)
columns.
Creating a Matrix with dim(
with ¿ to create a new
Use
dim(
{rows,columns} " dim(matrixname)
Redimensioning a Matrix with dim(
with ¿ to redimension an existing
Use
dim(
elements in the old
matrixname
created elements are zeros. Matrix elements that are outside the new dimensions are deleted.
{rows,columns} dim(matrixname)
"
Fill(
stores to every element in
Fill(
value
Fill(value,matrixname)
identity(
returns the identity matrix of
identity(
identity(dimension)
returns the number of rows.
of dimensions
matrixname
matrixname
that are within the new dimensions are not changed. Additional
.
matrixname
rows ×
dimension
returns the number of
dim(matrix) " Ln:Ln(2)
× with 0 as each element.
rows columns
to dimensions
rows
columns.
dimension
Chapter 10: Matrices
× . The
columns
156