I would like to extract x,y,z coordinates of any 3 atoms from a pdb file. How to rectify this error and make it generalized?

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ubq=getpdb('1UBQ');
for n=[1,2,3]
Q(n)=[ubq.Model.Atom(n).X, ubq.Model.Atom(n).Y, ubq.Model.Atom(n).Z]
end
Unable to perform assignment because the indices on the left side are not compatible with the size of the right side.

Risposta accettata

Walter Roberson
Walter Roberson il 28 Gen 2023
% N = range of indices for example
N=1:7;
Q = [ubq.Model.Atom(N).X; ubq.Model.Atom(N).Y; ubq.Model.Atom(n).Z].';
This assumes that each X Y Z are scalars.
This code process an array with 3 columns. If 3 rows are acceptable then leave out the .'

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