how to make matrix

F = zeros(20,1);
F(1:4) = 3.3;
F(5:7) = 4.2;
F(8:10) = 1.8;
F(11:13) = 6.9;
F(14:17) = 4.3;
F(18:20) = 4.1;

how do i take these and put it into the matrix

[DGM]

What exactly do you want? The given code will give you a 20x1 vector. There isn't a clear pattern to the vector generation. It's just some arbitrary blocks of some arbitrary constants. If you want to programmatically generate something, it's up to you to describe the inputs and outputs.

[John D'Errico]

Those numbers are already in a matrix, a 20x1 matrix, usually called a vector, but still a matrix too. So exactly what do you want?

[poppy]

well I would like to display al lthose numbers from 1-20 using fprintf or a table how would I go about doing that?

Answer 1

[Walter Roberson]

F = zeros(20,1);
F(1:4) = 3.3;
F(5:7) = 4.2;
F(8:10) = 1.8;
F(11:13) = 6.9;
F(14:17) = 4.3;
F(18:20) = 4.1;

table(F)

ans = 20×1 table
     F 
    ___

    3.3
    3.3
    3.3
    3.3
    4.2
    4.2
    4.2
    1.8
    1.8
    1.8
    6.9
    6.9
    6.9
    4.3
    4.3
    4.3

fprintf('%.1f\n', F)

3.3
3.3
3.3
3.3
4.2
4.2
4.2
1.8
1.8
1.8
6.9
6.9
6.9
4.3
4.3
4.3
4.3
4.1
4.1
4.1