The randIntNoRep(
command has been released for the TI-84+/SE calculator on OS 2.53MP and above.
The command is used when you need to create a list of numbers in random order in which no integer is repeated. It is very useful for shuffling a sequence of any numbers. How can I implement this functionality on an earlier version (OS or device-wise)?
This can be achieved by creating a list of random numbers, and using it to sequence a second list of the numbers that you want randomized.
For example, randomizing a 52 card deck and saving it as a list can be done easily with randIntNoRep(
:
:randIntNoRep(0,51→L₁
This can be simulated using the following code:
:rand(52→L₂
:seq(X,X,0,51→L₁
:SortA(L₂,L₁
L₂
is set to contain a set of 52 random values. L₁
is set to contain the numbers that will be randomized. By sequencing the lists in ascending order, the same method can be achieved as using randIntNoRep(
.
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