sum( ) command or function gives the sum value of vector or matrix or array elements, after reading this MATLAB sum topic, you will know the theory and examples.
Syntax:
sum(n)
- n can be a vector or matrix.
Example: To create a vector and find the sum of all elements of a vector.
Output:
n =
1 2 2 10 5 78
ans =
98
Example: To create a matrix and find sum value of each column of the matrix.
Output:
n =
1 2 3
1 2 23
4 5 21
ans =
6 9 47
Explanation:
- 6, 9 and 47 are the sum value of the first, second and third column of the matrix respectively.
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