Sort vector based on another - How?

So lets say I have a vector with distances ranging from 1 to 5 , whole numbers.

l = [ 5 3 2 1]

Associated with this vector are random integer values.

k = [ 2 3 4 1]

I want to be able to sort I and the k vectors follow....

so

l = [ 1 2 3 5]

k = [1 4 3 2]

How do I do this?

Answer 1

[Walter Roberson]

l = [ 5 3 2 1]

l = 1×4

5 3 2 1

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k = [ 2 3 4 1]

k = 1×4

2 3 4 1

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[l_sorted, l_sortidx] = sort(l);
k_sorted = k(l_sortidx);

l_sorted

l_sorted = 1×4

1 2 3 5

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k_sorted

k_sorted = 1×4

1 4 3 2

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