delete repeated values or groups in a list
12-24-2021, 04:53 PM
Post: #1
 robmio Member Posts: 125 Joined: Jan 2020
delete repeated values or groups in a list
Good evening everyone and Merry Christmas,

One question: is there a command, in HP PRIME, to delete repeated values or groups in a list?

For instance: {1,1,2,3,4,4,5} --command--> {1,2,3,4,5}

or: {{1,2},{3,4},{1,2},{5,6},{3,4}} --command--> {{1,2},{3,4},{5,6}}

Thanks for the help, Roberto.
12-24-2021, 04:57 PM
Post: #2
 John Keith Senior Member Posts: 757 Joined: Dec 2013
RE: delete repeated values or groups in a list
(12-24-2021 04:53 PM)robmio Wrote:  One question: is there a command, in HP PRIME, to delete repeated values or groups in a list?

For instance: {1,1,2,3,4,4,5} --command--> {1,2,3,4,5}

or: {{1,2},{3,4},{1,2},{5,6},{3,4}} --command--> {{1,2},{3,4},{5,6}}

UNION works for your first example- it removes duplicates if given a single list as an argument. I'm not sure about your second argument, UNION should work but I don't have my Prime handy.
12-24-2021, 05:20 PM
Post: #3
 robmio Member Posts: 125 Joined: Jan 2020
RE: delete repeated values or groups in a list
(12-24-2021 04:57 PM)John Keith Wrote:
(12-24-2021 04:53 PM)robmio Wrote:  One question: is there a command, in HP PRIME, to delete repeated values or groups in a list?

For instance: {1,1,2,3,4,4,5} --command--> {1,2,3,4,5}

or: {{1,2},{3,4},{1,2},{5,6},{3,4}} --command--> {{1,2},{3,4},{5,6}}

UNION works for your first example- it removes duplicates if given a single list as an argument. I'm not sure about your second argument, UNION should work but I don't have my Prime handy.

It works! It works with both the first and the second example!
Thanks for the suggestion, Roberto
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