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.
Summing Digits within Text
The Goldbach Conjecture, Part 2
Specific Element Count
Matlab Basics II - Unit Conversion
Matlab Basics - Set unwanted parts of a vector to zero
Matlab Basics II - Max & Index of Max
Matlab Basics II - Velocity of a particle
Finding an element in a vector
Matlab Basics - Rounding I
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