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undefined function or variable error in matlab simulink?

Asked by Najmeh Eskandari on 9 Aug 2018
Latest activity Answered by Ameer Hamza
on 10 Aug 2018
hi.i want to simulate ur10 kinematic(inverse and forward) but when I run I have these errors(screenshot which is attached). the function name or path are correct. i run the trajectory planning block and have all 6 Theta at the output.

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I call it :
[X,Y,Z,T06] = ur10_forward_kinematic(Theta1,Theta2,Theta3,Theta4,Theta5,Theta6,d_1,d_4,d_5,d_6,a_2,a_3)
It will be easier to suggest a solution if you can attach the model files as zip file.

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1 Answer

Answer by Ameer Hamza
on 10 Aug 2018
 Accepted Answer

There are some typing mistakes in ur10_forward_kinematic(). For example in the input list the variable name is Theta2, whereas in the code you are using Theta_2. You need to use the same name in both places. Also on line 39, you are using p06 whereas the actual name is P06 remember the variable names are case sensitive.
The file ur10_inverse_kinematic() contains some more involved problems. For example, at the beginning of your code you are using Theta1, Theta2, ... Theta6 but their values are not defined. You are not giving their values as function input neither defining inside the function. MATLAB has no way of knowing what values to take when the function run.

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