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exercism fetch lua matrix

Matrix

Given a string representing a matrix of numbers, return the rows and columns of that matrix.

So given a string with embedded newlines like:

1
2
3
9 8 7
5 3 2
6 6 7

representing this matrix:

1
2
3
4
5
    0  1  2
  |---------
0 | 9  8  7
1 | 5  3  2
2 | 6  6  7

your code should be able to spit out:

The rows for our example matrix:

And its columns:

Running the tests

To run the tests, run the command busted . from within the exercise directory.

Further information

For more detailed information about the Lua track, including how to get help if you're having trouble, please visit the exercism.io Lua language page.

Source

Warmup to the saddle-points warmup. http://jumpstartlab.com

Submitting Incomplete Solutions

It's possible to submit an incomplete solution so you can see how others have completed the exercise.