Validate that a calculation results in real numbers.

x = -2:2; z = x.^exp(-x.^2); mustBeReal(z)

Error using mustBeReal (line 13) values must be real.

The valuezis complex.

This class constrains the value ofProp1to real values.

classdefMyClasspropertiesProp1 {mustBeReal}endend

Create an object and assign a value to its property.

x = -2:0.1:2; obj = MyClass; obj.Prop1 = x.^exp(-x.^2);

Error setting 'Prop1' property of 'MyClass' class: values must be real.

When you assign a value to the property, MATLAB^®callsmustBeRealwith the value being assigned to the property.mustBeRealissues an error because the value assigned toProp1is complex.