I took complements of the test case polar angles in order to agree with customary definitions of polar angle.
I agree. Polar angles are, by convention, measured from the pole, but in this problem you have to consider them to be measure from the equator if you wish to agree with the test cases.
Test for balanced parentheses
Arrange Vector in descending order
Removing rows from a matrix is easy - but what about inserting rows?
frame of the matrix
Return area of square
Roll the Dice!
Determine if a Given Number is a Triangle Number
Square Digits Number Chain Terminal Value (Inspired by Project Euler Problem 92)
Test if two numbers have the same digits
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