Register to reply 
Definite product in matlab 
Share this thread: 
#1
Mar1912, 03:14 PM

P: 2

Can someone tell me how to do the following in matlab (R2010a):
f(1)*f(2)*...*f(n) thanx in advance. 


#2
Mar2012, 01:39 PM

Sci Advisor
PF Gold
P: 2,085

I assume that you have already defined the contents of the vector f of length n.
Then p = prod(f); 


#3
Mar2112, 01:34 PM

P: 2

Hi, marcusl
I have a 4d matrix M, with size: a * b * c * n This is exactly what I want: M(:,:,:,1).*M(:,:,:,2).*....*M(:,:,:,n) (this is element wise multiplication of the elements) Please help. 


#4
Mar2112, 02:05 PM

Sci Advisor
PF Gold
P: 2,085

Definite product in matlab
Read Matlab's Help entry, which tells you exactly how to take the product over a desired dimension (index). I will help you if you're stuck, but I will not do all your work for you.



Register to reply 
Related Discussions  
Integration of a product of legendre polynomials in matlab  Math & Science Software  1  
Triple scalar product: matlab  Math & Science Software  5  
Eigenvalues of Positive Definite matrices  &MATLAB..  Math & Science Software  3  
Using Matlab to find the cross product of variables?  Math & Science Software  1  
Definite product of zero and infinity?  General Math  35 