Index exceeds matrix dimensions.

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Yasmin Samy 2017-11-4

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https://ww2.mathworks.cn/matlabcentral/answers/365137-index-exceeds-matrix-dimensions

编辑： Stephen23 2017-11-4

Hello! The code below shows two sections for deleting rows according to two conditions. They are exactly the same but for some reason i get the 'Index exceeds matrix dimensions' error. Any idea what am i missing here?

aod_siglowp = mean_aodcoarsePEARL - (3*sigaodPEARL);
aod_sighighp = mean_aodcoarsePEARL +(3*sigaodPEARL);
reff_siglowp = mean_reffcoarsePEARL - (3*sigma_p(1,2));
reff_sighighp = mean_reffcoarsePEARL + (3*sigma_p(1,2));
coarsep_aod = cp(:,1);
cond1_aod = coarsep_aod(:,1) > aod_sighighp;
cond2_aod = coarsep_aod(:,1) < aod_siglowp;
delerowsaod = or(cond1_aod,cond2_aod);
coarsep_aod(delerowsaod,:)=[];
coarsep_reff = cp(:,2);
cond1_reff = coarsep_reff(:,1) > reff_sighighp;
cond2_reff = coarsep_reff(:,1) < reff_siglowp;
deleterows2 = or(cond1_reff,cond2_reff);
coarsep_reff(deleterows2,:)=[];

when entering the second section line by line...the line below is where i get the error (combining the two logical conditions to be able to delete the rows)

>>deleterows2 = or(cond1_reff,cond2_reff);
Index exceeds matrix dimensions.

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Yasmin Samy 2017-11-4

编辑：Yasmin Samy 2017-11-4

Thanks Stephen. I have copied the error message exactly. However, i did another rerun again,and this time i got no error. I`m still not sure what happened. However, if someone can explain why sometimes this error appears, that would be appreciated. I`m thinking it could be because of the type ..table, array etc??

Stephen23 2017-11-4

编辑：Stephen23 2017-11-4

@Yasmin Samy: is the code in a script or a function? If it is in a script then sometimes these kind of errors occur because of some variable in the workspace that doe snot changes between runs ... the best solution is to write functions.

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