Calculate the fft manually, without using matlab's builtin function.
No cheating allowed.
Sorry but with Frequency Domain, it's a duty to cheat (if it's possible) !
Finally, it's a hard work to forbid a single function.
nice trick! who needs str2func! this is going to cause some havoc though, it's all on you :)
Nice one! Did not knew that worked!
Sort a list of complex numbers based on far they are from the origin.
Get the area codes from a list of phone numbers
Number of Circles in a Number
Create incremental spiral WITHOUT USING EVAL or FEVAL
Get me! v2
Get me! v3
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