How to input a matrix of unknown dimensions into a function?
4 vues (au cours des 30 derniers jours)
Afficher commentaires plus anciens
function avg_vals = function_name(A)
A = %This is where I'm confused
avg_vals = mean(A,2);
end
I'm trying to create a function that will accept a matrix (A) that contains an unspecified number of rows and columns. I want it to then average the rows (rather than columns) and return those values as a column vector. It could be that I'm approaching this from the totally wrong angle, so any advice is welcome.
0 commentaires
Réponse acceptée
Ahmed A. Selman
le 10 Avr 2013
A is an input argument passed from function call function_name(A). SO, DELETE THIS LINE from the beginning, you do not need to input A a second time :)
function avg_vals = function_name(A)
A = % and this is where I am truly confused. Delete this line
avg_vals = mean(A,2);
end
When you want to work with this function, use:
ex1.:
A=1:10; % This is a 1-D vector
function_name(A)
ex2.
A=magic(4); % This is a 2-D matrix
function_name(A)
3 commentaires
James Tursa
le 11 Avr 2013
A matrix is entered using the square brackets. So try this instead:
function_name([1 2 3; 4 5 6; 7 8 9])
Everything inside the [...] is treated as a single matrix.
Plus de réponses (0)
Voir également
Catégories
En savoir plus sur Matrix Indexing 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!