This solution is correct to within eps, but the test is expecting exact agreement. That is not good programming when dealing with floating point numbers.
Extract leading non-zero digit
Number of Circles in a Number
Matrix indexing with two vectors of indices
Unique values without using UNIQUE function
Power supply: 230V to 115V
Operate on matrices of unequal, yet similar, size
Wayfinding 4 - Crossing, level 2
Remove element(s) from cell array
Create a random logical vector of N elements of which M are true.
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