Imagine these two variables 'a' and 'b'. I want to filter the matrices in cell array 'b'. The matrices in cell array 'b' have 7 columns. The rows of every number in column 5 to 7 of the matrices in cell array 'b' that match the numbers in matrix 'a' should be recorded in a new variable c with the only exception that column 5 to 7 are deleted and only column 1 to 4 are recorded. How can I put a code for this?
a=rand(18,1)b={rand(1877958,7); rand(1251972,7)};
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