How to insert multiple element after specific numbers in a vector?

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Patrick Bourke
Patrick Bourke am 14 Feb. 2021
Kommentiert: the cyclist am 15 Feb. 2021
I have a logical vector, and i want to add elements after the 0's and after the 1's, but a different element after the 0's than the 1's. How do I do this.

Antworten (1)

the cyclist
the cyclist am 14 Feb. 2021
Here is one way
% Original logical vector input
L = logical([1 0 1 1 0]);
% The numbers to be inserted
oneNum = 6;
zeroNum = 3;
output = [L; zeroNum*ones(1,length(L))];
output(2,L==1) = oneNum;
output = output(:)'
output = 1×10
1 6 0 3 1 6 1 6 0 3
  2 Kommentare
Patrick Bourke
Patrick Bourke am 14 Feb. 2021
What if I want to add instead of 6, 666666, so like multiple in the place.
the cyclist
the cyclist am 15 Feb. 2021
If it is always the same number of repeats, then it is a straightforward extension of the above:
% Original logical vector input
L = logical([1 0 1 1 0]);
% The numbers to be inserted
oneNum = 6;
zeroNum = 3;
% Number of repetitions
repeats = 4;
output = [L; zeroNum*ones(repeats,length(L))];
output(2:end,L==1) = oneNum;
output = output(:)'
output = 1×25
1 6 6 6 6 0 3 3 3 3 1 6 6 6 6 1 6 6 6 6 0 3 3 3 3

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