I have 3*1 matrix in form of cell or string. I have to convert into mat. i have to convert into 3*1*20

Tcur = 

    Columns 1 through 2

      [3x1 double]    [3x1 double]

    Columns 3 through 4

      [3x1 double]    [3x1 double]

    Columns 5 through 6

      [3x1 double]    [3x1 double]

    Columns 7 through 8

      [3x1 double]    [3x1 double]

    Columns 9 through 10

      [3x1 double]    [3x1 double]

    Columns 11 through 12

      [3x1 double]    [3x1 double]

    Columns 13 through 14

      [3x1 double]    [3x1 double]

    Columns 15 through 16

      [3x1 double]    [3x1 double]

    Columns 17 through 18

      [3x1 double]    [3x1 double]

    Columns 19 through 20

      [3x1 double]    [3x1 double]

Answer 1

[Walter Roberson]

mat = cell2mat( reshape(Tcur,1,1,[]) );

[Triveni]

Perfect.

Answer 2

[Jos (10584)]

You can use comma-separated list expansion:

mat = cat(1, Tcur{:})