How can I join points with line

I've 4 points. I want to join first two of the with a line and then second two with another line

My desired picture is given below

I can draw the first graph with maker. but but I want to join these points.

Thanks in advance

Answer 1

[Adam Danz]

Use matrix inputs. A line is drawn for each column of inputs. The first matrix defines the x values, the 2nd matrix defines the y values.

plot([0 1; 1.5 3],[1 2; 5 6], 'r-o')

[darova]

please accept my answer too

Answer 2

[darova]

Try to reshape data

a1 = reshape(a,[],2);
b1 = reshape(b,[],2);
plot(a1,b1)
% plot(a1',b1')            % another variant