A=[100, 300, 120, 200, 220, 200, 270, 100, 370, 100; 420200; 420300; 220, 280, 100, 300].

B=[10-10, 30, 30, 30, 30, 30, to 10, 20, 20, 20, 20, 20, 20, 20, 10, 20, 20].

Q=(2, 2,1,1; 3, 3, 2, 1, 0,0,1,0; 1,0,0,0];

Plot (A (:, 1), A (:, 2));

[m, n]=size (A);

Hold on

For I=1: m - 1

For t=0-0. 001:1

T=[T ^ T ^ 3, 2, T, 1].

Px=(A (I, 1), A (I + 1, 1), B (I, 1), B (I + 1, 1));
P y=[A (I, 2), A (I + 1, 2), B (I, 2), B (I + 1, 2)];
X=T * Q * Px ';

Y=T * Q * p y ';

The plot (x, y, 'b');
End
End
This program is running result image only point of contact, other graphics can't display, how to do