The problem description has been cleaned up and the test suite enhanced and expanded.
Times 2 - START HERE
Sum the elements in either diagonal of a square matrix
Sum of the Multiplication of Vectors
Sum the squares of numbers from 1 to n
modulus of a number
Make roundn function
How to calculate log?
Calculate some equation
Extract a specific part of matrix!
Find the treasures in MATLAB Central and discover how the community can help you!
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