Texas Instruments TI-84 - Manual (Page 242)

Chapter 10: Matrices 239
Redimensioning Redimensioning Redimensioning Redimensioning a Matrix with a Matrix with a Matrix with a Matrix with dim( dim( dim( dim(
Use dim( with
¿ to redimension an existing
matrixname to dimensions rows × columns .
The elements in the old matrixname that are within the new dimensions are not changed.
Additional created elements are zeros. Matrix elements that are outside the new
dimensions are deleted.
{rows,columns} " dim(matrixname)
Fill( Fill( Fill( Fill(
Fill( stores value to every element in matrixname .
Fill(value,matrixname)
identity( identity( identity( identity(
identity( returns the identity matrix of dimension rows × dimension columns.