dpb
Posts:
9,669
Registered:
6/7/07


Re: Extracting particular row of a matrix based on specific condition
Posted:
Dec 29, 2013 4:01 PM


On 12/29/2013 2:39 PM, Poulomi wrote: > "Poulomi" wrote in message <l9q0oj$7ef$1@newscl01ah.mathworks.com>... ... >> ...A = [519 520 521 1000] ... >> B = [1000 0.12 0.005 0.1 >> 520 0.13 0.001 0.89 >> 518 0.12 0.002 0.98 >> 600 0.14 0.004 0.90]; >> >> I need to pick up the values in A matrix, find out common 1st column >> element in Matrix B and extract corresponding row. Say, 520, 1000 is >> common in both matrix, so my output will be a new matrix C = [0.12 >> 0.005 0.1 >> 0.13 0.001 0.89]; >> >> Let me know how to do so. Thanks, > > Sorry my output C will be in same order as the elements in A matrix, so > C = [0.13 0.001 0.89 > 0.12 0.005 0.1]. Please let me know. Thanks,
C=B(ismember(B(:,1),A'),2:end);


