for loop reference solution (from coursera) question
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Sorry if this is a stupid question, but I am pretty new to matlab, looking at this solution at the loop "for n=1:nint@" I can't see how this works as there isn't a variable allocated "n", just "nx" and "ny". and the other functions in the loop are functions of 'Z' or 'z'.
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/549813/image.bmp)
Many thanks for your help.
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Russel Burgess
le 14 Mar 2021
The for loop expression creates the variable, i.e.,
for n=1:nit
Will create a variable, n, initially set to 1. n is persistent, i.e., it will still exist after the foor loop is done - with the value nit, assuming nothing caused the for loop to break out early.
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Shubham Rawat
le 17 Mar 2021
Hi Sara,
Comment is correct only inside for loop the variable n is instantiated.
You may look into this documentation for further help:
Hope this Helps!
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