![photo](/responsive_image/150/150/0/0/0/cache/matlabcentral/profiles/10973278_1548762029889_DEF.jpg)
Zhuoran Han
Followers: 0 Following: 0
Statistica
RANK
73.085
of 292.766
REPUTAZIONE
0
CONTRIBUTI
1 Domanda
1 Risposta
ACCETTAZIONE DELLE RISPOSTE
100.0%
VOTI RICEVUTI
0
RANK
of 147.936
CONTRIBUTI
0 Problemi
0 Soluzioni
PUNTEGGIO
0
NUMERO DI BADGE
0
CONTRIBUTI
0 Post
CONTRIBUTI
0 Pubblico Canali
VALUTAZIONE MEDIA
CONTRIBUTI
0 Punti principali
NUMERO MEDIO DI LIKE
Feeds
Domanda
Why these two similar operations (a sparse matrix w/o transpose times a vector) take different time to finish?
n = 1e5; a = sprand(n,n,5/n); v = rand(n,1); tic; for i = 1:1e3, b = a*v; end; toc tic; for i = 1:1e3, c = a'*v; end; toc I...
circa 2 anni fa | 2 risposte | 0
2
risposteRisposto
deleting row and column from very large Sparse matrix efficiently
This is an easy way to deal with boundary conditions in stiffness matrices, have you tried permutation? Suppose your original m...
deleting row and column from very large Sparse matrix efficiently
This is an easy way to deal with boundary conditions in stiffness matrices, have you tried permutation? Suppose your original m...
oltre 3 anni fa | 0