Optimisation error_constraint

Dear all,

When i use constraint which is defined as output in the function , no error, but when i use input variables in function it shows below error ,

Constraints must be an OptimizationConstraint or a struct containing OptimizationConstraints.what coudl be the reason

Please help the format

Code used is

prob.Constraints.data = price >=0;

Answer 1

[Matt J]

Whenever Matlab complains that a variable is the wrong type, you should look at the variable you've made and check what type it actually has. In this case, you could check that prob.Constraints are all of type "OptimizationConstraints".