Richard, I think your test suite has an error in it. Both pd and pad will result in the same matrix, as they're both circshifted by [1 1-i] Will pad=fliplr(pad); after the for loop correct this problem?
Test Suite fixed. Who new that 1-i is the same as -i+1.
The circular shift should be made from first row, not the 2nd, and the "knight" always moves down from the first column of the row to the last column in an L-movement.
I had not recognized the symmetry of row and column processing. A very succinct method to create a Knight pattern.
Add two numbers
Swap the input arguments
Vectorizing, too easy or too hard?
middleAsColumn: Return all but first and last element as a column vector
Magic is simple (for beginners)
Knots Contest: Score (TestSuite)
Kurchan 3x3 - Optimal Score
Create array of all Distances between two Sets of Points
Battleship - Seaman Level
Maximum Intra-Vector Swaps
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