https://ch.mathworks.com/help/matlab/ref/double.sum.html
sum - Sum of array elements - MATLAB
This MATLAB function returns the sum of the elements of A along the first array dimension whose size does not equal 1.
sum of arrayelementsmatlab
https://www.cpp.thiyagaraaj.com/c-programs/c-array-example-programs/sum-of-array-c-example-program
Sum of Array C++ Example Program - C++ Programming Concepts
This program describes and demonstrates Sum of Array C++ Example Program with sample output,definition,syntax
sum of arrayexample programcprogramming