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Undefined function or variable 't_x'. The first assignment to a local variable determines its class.

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Hi all, I am trying to run this programm through Matlab function in simulink, but am getting following error.
Undefined function or variable 't_x'. The first assignment to a local variable determines its class. Function 'A_star.m' (#258.1132.1135), line 31, column 1: "t_x" Launch diagnostic report.
Component:MATLAB Function | Category:Coder error
Undefined function or variable 't_y'. The first assignment to a local variable determines its class. Function 'A_star.m' (#258.1155.1158), line 32, column 1: "t_y" Launch diagnostic report.
Can anyone help me out.
Thank You.
  2 Comments
Pawan Pawar
Pawan Pawar on 7 Jun 2020
Hello Madhan ravi,
following is the picture of model. In this simulink model I am trying to run above algorithm, for first iteration I need to give some input as shown in above script. in tx,ty,....data will be stored after all iteration. It is working matlab (script) but not in simulink. My mail id is dpawanpawar@gmail.com. Is that possible to contact you.
Thank You.

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Accepted Answer

Navya Seelam
Navya Seelam on 9 Jun 2020
Try initializing the variable t_x before assigning cur.x to it.
t_x = zeros(len,1);
t_x(t_count)=cur.x;

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