"tfest" is not available in R2011 version

Hi, I would like to use tfest to get a digital TF from my open loop plots of type-2 controller. any halp would be appriciated , Thanks

Answer 1

[Walter Roberson]

http://www.mathworks.com/matlabcentral/answers/140681-any-simillar-function-methode-in-matlab2011a-for-tfest-function-in-system-identidication-toolbox