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.
Back to basics 3 - Temp Directory
Back to basics 25 - Valid variable names
Compute a dot product of two vectors x and y
Fibonacci-Sum of Squares
Remove the positive integers.
Ordered pairs of integers (I, J).
Number of o rderd pairs of integers (I,J) that can be formed.
Choose a web site to get translated content where available and see local events and offers. Based on your location, we recommend that you select: .
You can also select a web site from the following list:
Select the China site (in Chinese or English) for best site performance. Other MathWorks country sites are not optimized for visits from your location.
Contact your local office