divide the sum in step by 11 to get the remainder in matlab

You can simply use the mod function to perform the operation of dividing the sum by 11 and getting the remainder. Here's an example code snippet in Matlab:

main.m
% example array of numbers
nums = [10, 20, 30, 40, 50];

% calculate sum
sum_nums = sum(nums);

% calculate remainder
remainder = mod(sum_nums, 11);
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In this example, the variable nums is an array of numbers and we want to divide the sum of these numbers by 11 and get the remainder. The sum function is used to calculate the sum of the numbers in the array, and the mod function is used to calculate the remainder. The variable remainder will contain the remainder after dividing the sum by 11.