54
votes
4
answers
2.4K
views
Is there an R function for finding the index of an element in a vector?
In R, I have an element x and a vector v. I want to find the first index of an element in v that is equal to x
57
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20
answers
1.6K
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Counting the number of elements with the values of x in a vector
I have a vector of numbers: numbers <- c(4,23,4,23,5,43,54,56,657,67,67,435, 453,435,324,34,456,5
59
votes
7
answers
2.1K
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66
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3
answers
765
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Octave/Matlab: Adding new elements to a vector
Having a vector x and I have to add an element (newElem) . Is there any difference between - x(end+1) = new
63
votes
2
answers
1.6K
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Octave / Matlab: Extend a vector making it repeat itself?
Is there a way to extend a vector by making it repeat itself? >v = [1 2]; >v10 = v x 5; %x represents s
55
votes
11
answers
842
views
How can I apply a function to every row/column of a matrix in MATLAB?
You can apply a function to every item in a vector by saying, for example, v + 1, or you can use the function
