Problem 1999. Bleed non-zeros to the right using REGEXP, and that sort of cheatcodess...
This one is quite similar to http://www.mathworks.nl/matlabcentral/cody/problems/1998-bleed-non-zeros-to-the-right.
But this time you are allowed to use regexp, regexprep, and regexpi. In fact, you are encouraged to do so, since I expect creative solutions, using dynamic regular expressions ( http://www.mathworks.nl/help/matlab/matlab_prog/dynamic-regular-expressions.html ).
You get a vector, some values and a lot of zeroes. Every zero is replaced by the first non-zero element to its left.
For example, [1 0 0 2 0] becomes [1 1 1 2 2] and [0 0 -12 13 0 i 0 -i 76.54321 0 0] becomes [0 0 -12 13 13 i i -i 76.54321 76.54321 76.54321].
Is it even easier now, or not? Still, eval and friends are forbidden.
Solution Stats
Solution Comments
Show commentsProblem Recent Solvers25
Suggested Problems
-
Remove all the words that end with "ain"
2128 Solvers
-
762 Solvers
-
1090 Solvers
-
Set some matrix elements to zero
509 Solvers
-
Find the position of first minimum value in an integer array with numbers
174 Solvers
More from this Author31
Problem Tags
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!