This function returns a matrix where the argument as been shifted up the given number of rows filling
the bottom rows with the given fill value.
Usage
shift.up(A, rows = 1, fill = 0)
Arguments
A
a matrix
rows
integer number of rows
fill
fill value which as the default value of zero
Value
A matrix.
Note
If the argument A is not a numeric matrix, then the function presents an error message and stops.
If the argument rows is not a positive integer, then the function presents an error message and stops.