Hi, I understand you are getting issues in calculating sum of the given expression. You can do this using MATLAB Symbolic Toolbox-
- Create symbolic variables using syms.
- Build the expression need to be evaluated.
- Through an iteration substitute all the variables using subs function. It will output an array.
- Finally, Evaluate the summation of the expression using sum function.
Here is a sample code using random values as input.
n=3;
syms s 3
syms C x a
% Create Random Data
av=rand(1,n);
s1_1v=rand(1,n);
s2_1v=rand(1,n);
s3_1v=rand(1,n);
Cv=rand(1,1);
xv=rand(1,n);
% Set Up The Expression
Var=sum(s(1)/s(2))/(C +sum(s(3)/s(2)));
toSum=(Var*x + a)/s(2);
disp(toSum);
for i=1:n
% Substitute Values through Iteration
subSum(i)=subs(toSum,{a , s1_1 , s2_1 , s3_1 , C , x}, ...
{av(i),s1_1v(i),s2_1v(i),s3_1v(i),Cv,xv(i)});
end
OutSum=double(sum(subSum));
disp(OutSum);
