Calculate a return
1 vue (au cours des 30 derniers jours)
Afficher commentaires plus anciens
Hi,
I am trying to calculate a return based on two arrays, mval and mvalprevday.
When I calculate a return as per the below formula my results return a lot of zeros. So I think Matlab is calculating a return for each possible combination of numbers.
Does anyone know how I can avoid getting many zeros. I basically think if I can tell Matlab to only calculate one result per row (I.e. column 1 in mval array * column 1 in mvalprevday array
rtn = mval / mvalprevday
rtn =
Columns 1 through 8
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0
0
0 commentaires
Réponses (2)
Walter Roberson
le 9 Déc 2011
rtn = mval ./ mvalprevday
Notice the period before the /
0 commentaires
Voir également
Catégories
En savoir plus sur Matrices and Arrays dans Help Center et File Exchange
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!