(89) :newMat(rows, columns)

This creates a matrix with numelements elements, in which every element is 0.

This is primarily useful because the ability to dim( of a matrix has be removed in TI-BASIC-89.


:Local l,i,j
:For i,1,r
::For j,1,c
:Return l

This program returns a matrix with the specified dimensions and that has a random value in each element. The random numbers can be from 1 to R*C.

NOTE: All variables inside a Function must have the "Local" declaration, otherwise it will look for those variables as if they were global variables outside of the Function.

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