Write a function that takes a vector X and returns the alternating sum of X:
for vector X=[1 2 3] the function should return 1-2+3=2.
Find the sum of all the numbers of the input vector
Find the sum of the elements in the "second" diagonal
Sum of diagonals elements of a matrix
Matlab Basics II - squares
Multiply by 3
Just another norm problem (JANP)
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