Converting Numeric Matrix to Cell Array nesting columns into line (LSTM training input data)

Kshitij Singh answered . 2025-07-31 00:24:50

A = [ ...
    1 2 3 4
    2 3 4 5
    3 4 5 6
    4 5 6 7
    5 6 7 8];

B = mat2cell(A, ones(size(A,1),1), size(A,2));

C = num2cell(A) converts array A into cell array C by placing each element of A into a separate cell in C.

The num2cell function converts an array that has any data type—even a nonnumeric type.

a = magic(3)

a = 3×3

     8     1     6
     3     5     7
     4     9     2

c = num2cell(a)

c=3×3 cell array
    {[8]}    {[1]}    {[6]}
    {[3]}    {[5]}    {[7]}
    {[4]}    {[9]}    {[2]}

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