Find twice the length of a given vector.
radius of a spherical planet
All your base are belong to us
Reverse the elements of an array
Create an index-powered vector
Evaluating a polynomial
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