Worki ng with cells

hey all,

i have a cell of <1x20> dimensions and each cell contains two x-values in a coordinate.

I want to work with these two coordinates separately, but I dont know how to access them?

 Xidx1 = 

Columns 1 through 5

    [1x2 double]    [1x2 double]    [1x2 double]    [1x2 double]    [1x2 double]

Columns 6 through 10

    [1x2 double]    [1x2 double]    [1x2 double]    [1x2 double]    [1x2 double]

Columns 11 through 15

    [1x2 double]    [1x2 double]    [1x2 double]    [1x2 double]    [1x2 double]

Columns 16 through 20

    [1x2 double]    [1x2 double]    [1x2 double]    [1x2 double]    [0]

[Walter Roberson]

Xidx1{20} is only [0] not a pair of values.

Answer 1

[Jan]

Get the 2nd coordinate of the 3rd pair:

element = Xidx1{3}(2)

The power of a cell array is to store elements of different size and/or type. In your case only the last element contains a deviating contents. Is the [0] useful for anything? If not, you can concatenate the vectors to a matrix:

index   = cat(1, Xidx1{1:end-1});
element = index(3, 2);

Answer 2

[Walter Roberson]

cellfun(@(v) v(1), Xidx1)

[soloby]

This is great! thanks.

It seems like it's giving me the first value of each pair, what do i do to get the second value?

[Walter Roberson]

Obviously

cellfun(@(v) v(2), Xidx1)