Passing variables in string under for loop.

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Paramjit Yadav
Paramjit Yadav 2021-8-11
编辑： the cyclist 2021-8-11
Hello,
I am trying to run the below code. Here I am passing the string with i and j as variable but it is not taking i and j as variable and showing errors.
Can some please help by saying how to do indexing with in a string and pass the values of i and j in the string in for loop as variable.
for j = 1:12
for i = 1:12
lt.Cmd('AddPickup "SPLINEPATCH_LENS_SURFACE[LensRearSurface].ZValueAt[i][j]"')
end
end
Thank you so much for reading my querry.
Regards
Paramjit

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回答（1 个）

the cyclist
the cyclist 2021-8-11
编辑：the cyclist 2021-8-11
Ran in:
You need to convert the numeric values in the loops into strings. Here is how to construct the string to pass into lt.Cmd:
i = 1; % Using just a couple specific values, instead of the whole loop, just to illustrate one case
j = 2;
strcat('AddPickup "SPLINEPATCH_LENS_SURFACE[LensRearSurface].ZValueAt[',num2str(i),'][',num2str(j),']"') % You would pass this string into lt.Cmd
ans = 'AddPickup "SPLINEPATCH_LENS_SURFACE[LensRearSurface].ZValueAt[1][2]"'
The idea here is that I am creating strings out of i and j, and then concatenating all of the strings together into the one long string you need.

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