Commit ddeebb7b authored by WALL-E's avatar WALL-E
Browse files

我看了一下，就这几个的图需要改，1.5（d）的图例两个颜色一样，我不知道怎么改。

parent 365b9cce

LAB1/P1_4_a.m

+6 −9
Original line number Diff line number Diff line
@@ -6,16 +6,13 @@ y1=sin((pi/2)*x1); 
y2=sin((pi/2)*x2);



%Plot

subplot(2,1,1);

stem(n,y1);

title('1.4 (a)-1');

xlabel('n');

ylabel('y_1=sin((\pi/2) x_1[n])');



subplot(2,1,2);

stem(n,y2,'r');

title('1.4(a)-2');

stem(n,y1,'g--*');

hold on;

stem(n,y2,'r--s');

legend('y_1=sin((\pi/2) x_1[n]','y_2=sin((\pi/2) x_2[n]')

title('1.4 (a)');

xlabel('n');

ylabel('y_2=sin((\pi/2) x_2[n])');

ylabel('y[n])');



saveas(gcf, "LAB1/P1_4_a_out.png")
 
 No newline at end of file

LAB1/P1_4_d.m

+8 −11
Original line number Diff line number Diff line
@@ -4,28 +4,25 @@ x2=5*[zeros(1,5) 1 zeros(1,5)]; 
y1=sin((pi/2)*x1);

y2=sin((pi/2)*x2);



subplot(4,1,1);

subplot(3,1,1);

stem(n,x1);

title('1.4 (d)-1');

xlabel('n');

ylabel('x1[n]');



subplot(4,1,2);

subplot(3,1,2);

stem(n,x2);

title('1.4 (d)-2');

xlabel('n');

ylabel('x2[n]');



subplot(4,1,3);

stem(n,y1,'m--s');

title('1.4 (d)-3');

xlabel('n');

ylabel('sin(\pi/2) x1[n]');



subplot(4,1,4);

subplot(3,1,3);

stem(n,y1,'b--s');

hold on;

stem(n,y2,'r--h');

title('1.4(d)-4');

legend('sin(\pi/2) x1[n]','sin(\pi/2) x2[n]')

title('1.4 (d)-3');

xlabel('n');

ylabel('sin(\pi/2) x2[n]');

ylabel('y[n]');



saveas(gcf, "LAB1/P1_4_d_out.png")
 
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LAB1/P1_5_d.m

+4 −6
Original line number Diff line number Diff line
@@ -7,12 +7,10 @@ y1=diffeqn(a,x,yn1); 
yn1=0.5;

y2=diffeqn(a,x,yn1);



subplot(1,2,1);

stem(n,y1,'r--p');

xlabel('y[-1]=0');



subplot(1,2,2);

stem(n,y2,'m--s');

xlabel('y[-1]=0.5');

hold on;

stem(n,y2,'b--s');

legend('y[-1]=0','y[-1]=0.5');



title('1.5(d)');

saveas(gcf, "LAB1/P1_5_d_out.png")
 
 No newline at end of file

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