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Apply TodayMATLAB Central > MATLAB Newsreader > index endpoint to matrix 

I have a vector with indices, for e.g. 
"Naresh Pai" wrote in message <kec3s0$gl9$1@newscl01ah.mathworks.com>... 
"Jos (10584)" wrote in message <kedggo$ild$1@newscl01ah.mathworks.com>... 
"Naresh Pai" wrote in message <kee318$sd5$1@newscl01ah.mathworks.com>... 
k = b > 0; 
Another method: 
Bruno, 
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