initial commit / add all books

1 files changed, 53 insertions, 0 deletions

diff --git a/2279/CH2/EX2.1/Ex2_1.sce b/2279/CH2/EX2.1/Ex2_1.sce
new file mode 100644
index 000000000..af9ce6d2f
--- /dev/null
+++ b/2279/CH2/EX2.1/Ex2_1.sce
@@ -0,0 +1,53 @@
+//Example 2.1

+clf

+clear

+clc

+t=[-10:0.01:10];

+for i=1:length(t)

+    if t(i)>= -0.5 & t(i)<= 0.5 then

+        x(i)=t(i)+0.5;

+    elseif t(i)>0.5 & t(i)<=1.5 then

+            x(i)=1.5-t(i);

+        else

+            x(i)=0;

+        end

+end

+subplot(3,1,1);

+plot2d(t,x,rect=[-4 0 4 2]);

+xtitle("x(t) vs t","t in sec","x(t)");

+subplot(3,1,2);

+plot2d(t-1,x,rect=[-4 0 4 2]);

+xtitle("x(t+1) vs t","t in sec","x(t+1)");

+subplot(3,1,3);

+plot2d(t+2,x,rect=[-4 0 4 2]);

+xtitle("x(t-2) vs t","t in sec","x(t-2)");

+xset('window',1);

+subplot(3,1,1);

+plot2d(-t,x,rect=[-4 0 4 2]);

+xtitle("x(-t) vs t","t in sec","x(-t)");

+subplot(3,1,2);

+plot2d(t/2,x,rect=[-4 0 4 2]);

+xtitle("x(2t) vs t","t in sec","x(2t)");

+subplot(3,1,3);

+plot2d(t*2,x,rect=[-4 0 4 2]);

+xtitle("x(t/2) vs t","t in sec","x(t/2)");

+xset('window',2);

+subplot(3,1,1);

+plot2d(-t-1,x,rect=[-4 0 4 2]);

+xtitle("x(-t+1) vs t","t in sec","x(-t+1)");

+subplot(3,1,2);

+plot2d(-t+2,x,rect=[-4 0 4 2]);

+xtitle("x(-t-2) vs t","t in sec","x(-t-2)");

+subplot(3,1,3);

+plot2d(-t/2,x,rect=[-4 0 4 2]);

+xtitle("x(-2t) vs t","t in sec","x(-2t)");

+xset('window',3);

+subplot(3,1,1);

+plot2d(-t*2,x,rect=[-4 0 4 2]);

+xtitle("x(-t/2) vs t","t in sec","x(-t/2)");

+subplot(3,1,2);

+plot2d(-(t-1)/2,x,rect=[-4 0 4 2]);

+xtitle("x(-2t+1) vs t","t in sec","x(-2t+1)");

+subplot(3,1,3);

+plot2d(-(t+2)/2,x,rect=[-4 0 4 2]);

+xtitle("x(-2t-2) vs t","t in sec","x(-2t-2)");