Pg
Posts:
137
Registered:
1/24/09


Re: Extracting particular row of a matrix based on specific condition
Posted:
Dec 29, 2013 4:25 PM


Thanks, but I need the order to be maintained same as A matrix, so that C = [0.13 0.001 0.89 0.12 0.005 0.1].
dpb <none@non.net> wrote in message <l9q2j3$pa8$1@speranza.aioe.org>... > 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); > > 

