How to solve this error in Matlab

t_dd=12*d(2,1)+2*d(2,1)^2+2*d(2,1)*d(2,1)*s+y(2,1)+4*d(1,1)*d(2,1)*s+y(1,1)^2*exp(d(2,1)*s+y(2,1)^2+2*d(1,1)*s+y(1,1)^2+2*d(2,1)^2+4*d(1,1)^2)*exp(d(2,1)*s+y(2,1)^2)+(2*d(1,1)*s+y(1,1)^2);

I am getting error message regarding this equation.

Can anyone help me with the correctness of this equation and syntax

[VBBV]

Try by changing ALL y(2,1) & d(2,1) in the equation to y(1,2) & d(1,2). May be you have preallocated dimensions for the matrices d , y in wrong way.

But without knowing what error you get its difficult to say anything further.

Answer 1

[Walter Roberson]

Sorry, no, we are unable to solve that based on the information provided.

See https://www.mathworks.com/matlabcentral/answers/1955554-how-to-write-equation-with-exponential-in-matlab#comment_2727124