Please make a function, where as input you get vector "x" and and vector "c", where in "c" vector you get indexes to sum.
x=[-1 2 3 4 7 9]
c=[1 4 6]
y= x(1)+ x(4) + x(6) = -1 + 4 + 9 = 12
i did it
Find common elements in matrix rows
Project Euler: Problem 10, Sum of Primes
Basic arrays operations.
Find the dimensions of a matrix
Which coins to give
cross in array
Basic commands - Least common multiple
Basic commands - Greatest common divisor
Basics - not so easy division
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