x is a vector of undetermined length
You are to replace every 3rd element with the number 4, example:
x = [11 23 34 43 2 31 6 34 5 45 26 7 78];
output = [11 23 4 43 2 4 6 34 4 45 26 4 78];
Make sure the code accounts for varying vector lengths
In view of the recent spate of trivial problems with no test suite to speak of, thanks for making the effort of providing a proper test suite and a slightly less trivial problem.
Is it an Armstrong number?
Length of a short side
Element by element multiplication of two vectors
Matlab Basics II - Velocity of a particle
Matlab Basics - Rounding II
Matlab Basics - Convert a row vector to a column vector
Matlab Basics II - Unit Conversion
Matlab Basics II - Extract last 3 elements of a vector
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