how to multiply one array of vector in another ?
1 Ansicht (letzte 30 Tage)
Ältere Kommentare anzeigen
Amin Gan
am 10 Feb. 2016
Kommentiert: Walter Roberson
am 10 Feb. 2016
There are two same size vectors,A and B (1*2000 in size).
for each value of A must be used in equation below for all B values:
equation=A+A^2+B
for example:
A=[1 2 3]
B=[10 20 30]
I want following results:
1+1^2+10 , 1+1^2+20, 1+1^2+30
2+2^2+10 , 2+2^2+20, 2+2^2+30
3+3^2+10 , 3+3^2+20, 3+3^2+30
But, A and B both are 2000 in size, I expect to get 2000*2000 matrix for eqn.
can you please advise?
Thnks
0 Kommentare
Akzeptierte Antwort
Walter Roberson
am 10 Feb. 2016
bsxfun(@(a,b) a + a.^2 + b, A(:), B)
2 Kommentare
Walter Roberson
am 10 Feb. 2016
Yes. Just be sure to use .^ instead of ^ . Also be sure that your B is a row vector
bsxfun(@(a,b) a + sqrt(a.^2 - b), A(:), B)
If B is not a row vector then
bsxfun(@(a,b) a + sqrt(a.^2 - b), A(:), B(:).')
Weitere Antworten (0)
Siehe auch
Kategorien
Mehr zu Multidimensional Arrays finden Sie in Help Center und File Exchange
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!