Concatenate matrices from cell array

Hello,

I have a cell array with different length matrices in each cell, i.e. the number of columns is always the same, but the number of rows differs. I want to combine all those matrices together in 1 big matrix, and have difficulties doing so. I know it's best to pre-allocate the final matrix before filling it, so thats what I do, but I can't get the actual filling to work.

For example:

A = rand(5,2);

B = rand(7,2);

C = rand(15,2); % just 3 diff length matrices

cell = {A B C}; % ABC into cell array

nrows = cellfun(@length, combi); %get rows in each cell

sum_rows = sum(nrows);% get total rows required

Final = zeros(sum_rows,2); % pre-allocate matrix of appropriate size

Please help me to formulate a loop (over n cells in cell array) which adds the nth cell to the Final matrix each iteration. Thanks very much for any help.

Jasper

Answer 1

[Andrei Bobrov]

A = rand(5,2);
B = rand(7,2);
C = rand(15,2);
cc = {A B C};

out = cat(1,cc{:});

[Subhosit Ray]

you make things look so simple =) good job andrei