Hello, William. I like very much the originality & especially the efficiency of your approach here. Am I correct in thinking that the existing code would struggle to correctly decode a message that was encoded from (say) "Beware of the Sasquatch Man's involvement in Operation Phoenix"? [I don't want to explain this, to avoid giving too many clues to others. But I hope you get my point.] Although I am confident you could tweak your code (if necessary) to handle such cases. —DIV
Find the alphabetic word product
Find common elements in matrix rows
Sum the Infinite Series
Given a 4x4 matrix, swap the two middle columns
Testing for randomness: uniform distribution of integers
Curve fitting (non-linear functions) & function handles
Wait a second!
Comparison of floating-point numbers (doubles)
Code breaker, Part III: Operation Xiangliu
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