Undefined operator '-' for input arguments of type 'cell'.

Question

lily genius 2018-10-31

回答： YT 2018-10-31

Hello I am trying to optimize a function and I defined the objective function as follow:

Tp=Scope{1,1}.values(2:36,7);

T1= Scope{1,1}.values(2:36,9);

To= cell(35,1);

To{1}=888;

   for i=2:36
       To{i} = @(k) To{i-1} + (k)*(T1(i)- To{i-1} )
   end 
obj=(sum(Tp - To).^2)

when running the function I keep getting Undefined operator '-' for input arguments of type 'cell'.

Answer 1

YT 2018-10-31

A question similar to this one was asked before and answered here

You can try to figure it out for yourself by checking some of the following things

Dimensions of the arrays not the same
The contents of the arrays cannot be used for mathematical operations e.g. strings
To access cell content, you should use {} instead of ()