How to add values in the array in matlab?

I have an array with eleven elements in a single column. I want to add all these elements.

I have,

D=regionprops(L2,'area')

In array D, I have all values of area. I want to add all the values in D.

Please guide me. Thanks in advance.

Answer 1

[KSSV]

Read about sum

D = rand(11,1) ; 
thesum = sum(D)