Randi except one variable

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Alice Amitrano
Alice Amitrano il 18 Mar 2019
Commentato: Walter Roberson il 18 Giu 2021
My randi matrix can have random values except one value, how do I generate it?
  1 Commento
Kevin Phung
Kevin Phung il 18 Mar 2019
which value? are you talking about a particular index? and what would that value be?

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Risposte (2)

Kevin Phung
Kevin Phung il 18 Mar 2019
I would suggest generating a mxn randi matrix, and just changing the one index to whatever value you wanted it to be.

Walter Roberson
Walter Roberson il 18 Mar 2019
Guessing that you mean that you want to randi() over a range of integer values but that there is a particular value that should never be generated, then:
valid_vals = setdiff(low_value:high_value, values_to_exclude);
result = valid_vals( randi(length(valid_vals), number_of_rows, number_of_columns) );
  2 Commenti
Akana Juliet
Akana Juliet il 18 Giu 2021
@Walter Roberson Hi! for "values_to_exclude" how do you include multiple integers?
Walter Roberson
Walter Roberson il 18 Giu 2021
values_to_exclude = [3, 8, -5:-2]
just create a list.

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