change the signs of the even index entries of the reversed vector
vec = [4 -1 -2 9]
ans = [9 2 -1 -4]
vec = [-4 -1 -2 -9]
ans = [-9 2 -1 4]
The test suite has been expanded.
Find the peak 3n+1 sequence value
Back to basics 19 - character types
Matrix indexing with two vectors of indices
Convert a vector into a number
What number has this problem?
Sort complex numbers into complex conjugate pairs
Symmetry of vector
Insert zeros into vector
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