Vector Manipulation - How to achieve this specific form?

Hi all,

I want to receive an expression like this: sos = {[1 8761]' [2 8762]' [3 8763]' [4 8764]' ... [8760 17520]'};

Do you have an idea on how to achieve this?

Answer 1

[Star Strider]

Try this:

v1 = 1:17520;                                   % Create Vector
v2 = reshape(v1, [], 2)';                       % Reshape Vector To 2-Row Matrix
c = mat2cell(v2, 2, ones(1,size(v2,2)));        % Create Cell Array
q1 = v2(:,1:5);                                 % View Original Matrix Sample (Delete Later)
q2 = [c{1:5}]                                   % View Cell Array Sample (Delete Later)

q2 =
           1           2           3           4           5
        8761        8762        8763        8764        8765

I created separate assignments for clarity. Note that ‘c’ is a (1x8760) cell array, the format requested.

[Mathias Dirksmeier]

What would I have to change with c if v2 is defined as:

c = mat2cell(v2, 2, ones(1,size(v2,2)));

(So that the elements are [1,8761]... and not [1;8761])

[Star Strider]

That simply requires removing the transpose operator from ‘v2’, and in mat2cell, changing the second size argument, and changing the order of the last 2 arguments:

v1 = 1:17520;                                   % Create Vector
v2 = reshape(v1, [], 2);                        % Reshape Vector To 2-Row Matrix
sos = mat2cell(v2, ones(1,size(v2,1)), 2);      % Create Cell Array
q1 = v2(1:5,:);                                 % View Original Matrix Sample (Delete Later)
q2 = [sos{1:5}]                                 % View Cell Array Sample (Delete Later)

Note that ‘q1’ remains accurate, although ‘q2’ now horizontally concatenates the individual vectors, so it is not as interesting. The ‘sos’ cell array (previously ‘c’) has the desired format, that being (8760x1) with each cell a (1x2) vector instead of (1x8760) and (2x1) previously.

[Mathias Dirksmeier]

Perfect! Thanks a lot!!

[Star Strider]

As always, my pleasure!

Answer 2

[Mathias Dirksmeier]

Well, I surely know num2cell...

However, that wasn't the question, was it?

{[1 8761]' [2 8762]' [3 8763]' [4 8764]' ... [8760 17520]'};

How to achieve this specific form?

[Mathias Dirksmeier]

Initial response was deleted by user...