Given vector x, calculate the alternating sum
y = x(1) - x(2) + x(3) - x(4) + ...
Get the area codes from a list of phone numbers
Make a run-length companion vector
07 - Common functions and indexing 2
Back to basics - mean of corner elements of a matrix
Evaluating continued fractions
Mean ignoring NaNs
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