Multiple summation conditions symsum or sum

I have following equation to solve

but following condition is given. would it add extra summation

Can any one tell me how to have multiple summations in Matlab using symsum or sum given condition generates ranges for varables d, d~, i, a .

thanks

Answer 1

[Ameer Hamza]

You can use this documentation to solve your system. This is a non-linear system solver with equality and inequality constraint.