You really shouldn't give away the answer in the test suite. ;-)
You could change the test suite to something like:
assert (str2num(fliplr(num2str(y))) == y*4);
Although this also sort of gives away one possible solution.
pressure to dB?
Project Euler: Problem 2, Sum of even Fibonacci
Matrix indexing with two vectors of indices
MATCH THE STRINGS (2 CHAR) very easy
Find the hypotenuse
Number of o rderd pairs of integers (I,J) that can be formed.
Ordered pairs of integers (I, J).
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