MATLAB: Merging cells,adding contents

add cellsduplicatesmergeunique

Hey everyone.! I have some data in this form
'Mary' [ 37]
'Lisa' [ 18]
'George' [ 20]
'Nick' [ 49]
'Mary' [ 24]
'George' [ 4]
'Lisa' [ 36]
(random names with random sequence)and I want to have this
'Mary' [ 61]
'Lisa' [ 54]
'George' [ 24]
'Nick' [ 49]
(not necessarily in this order) Any good ideas? Thank you all..

Best Answer

v={'Mary' [ 37]
'Lisa' [ 18]
'George' [ 20]
'Nick' [ 49]
'Mary' [ 24]
'George' [ 4]
'Lisa' [ 36]}
[a,b,c]=unique(v(:,1),'stable')
n=accumarray(c,[v{:,2}]')
out=[a num2cell(n)]