test case 2 is incorrect. the given function will only return positive values, which means it is not equivalent to sin (and therefore new wine)
adding 'for positive inputs between 0.2 to 0.8'
In terms of Matlab's numerical accuracy, @(z)log10(10*z)-1 is not equal to log10. Therefore, it is new wine, as it produces different results than the built-in function.
I don't understand this problem.
The Goldbach Conjecture
Implement a ROT13 cipher
Convert Hard Drive marketing sizes to actual data sizes
middleAsColumn: Return all but first and last element as a column vector
Acid and water
Given a number N, find the smallest prime P>N
How many jokers?
chance in percent for minimum K heads when a good coin is tossed N times?
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