Given vector x, calculate the alternating sum
y = x(1) - x(2) + x(3) - x(4) + ...
Flip the main diagonal of a matrix
Longest run of consecutive numbers
Add two numbers
Leap years on other planets
Mean ignoring NaNs
James Bond film count
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