"Domain error. To compute complex results from real x, use 'acos(complex(x))" error in matlab?

hi.i want to simulate the model but while running there is this error in the inverse kinematic function :

Domain error. To compute complex results from real x, use 'acos(complex(x))

how can I fix it?

Kindly find attached the Simulink file

Answer 1

[Yuvraj Singh]

Hi Oluwapelumi,

I understand that you are trying to simulate a model but encounter Domain error in the inverse kinematic function.

I found a MATLAB Answers link which provides resolution to a similar problem.

'Domain error. To compute complex results from real x, use 'acos(complex(x))' error in matlab? - MATLAB Answers - MATLAB Central (mathworks.com)

I hope this helps you.

-Yuvraj

[OLUWAPELUMI]

Thanks