sub2ind.m -- trying to use with a 2D matrix

1 visualización (últimos 30 días)
Matlab2010
Matlab2010 el 26 de Nov. de 2013
Respondida: Sean de Wolski el 26 de Nov. de 2013
I have a matrix
data = rand(100,100);
I also have a index into that matrix
IDY = randperm(100);
I wish to reorder the data matrix by the order in IDY.
I thought sub2ind could help me, but I have not been able to get it working.
FYI: the matrix is a correlation matrix. Each element refers to a variable. I wish to "re-order" the correlation matrix according to the ordering in IDY.
thank you

Respuestas (2)

Azzi Abdelmalek
Azzi Abdelmalek el 26 de Nov. de 2013
Editada: Azzi Abdelmalek el 26 de Nov. de 2013
data(IDY)
Or maybe
data(IDY,:)

Sean de Wolski
Sean de Wolski el 26 de Nov. de 2013
data(IDY,:)
To reorder all rows or for columns
data(:,IDY)

Categorías

Más información sobre Matrices and Arrays en Help Center y File Exchange.

Etiquetas

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!

Translated by