3 files changed, 43 insertions, 0 deletions
diff --git a/2381/CH11/EX11.1/ex_1.sce b/2381/CH11/EX11.1/ex_1.sce
new file mode 100755
index 000000000..b4ffdc6e0
--- /dev/null
+++ b/2381/CH11/EX11.1/ex_1.sce
@@ -0,0 +1,11 @@
+//Example 1// Frequencies
+clc;
+clear;
+close;
+//given data :
+t=2;// in sec
+n1=100;// in vibrations/sec
+n2a=n1+(1/t);
+n2b=n1-(1/t);
+disp(n2a,"frequency,n2a= ")
+disp(n2b,"frequency,n2b = ")
diff --git a/2381/CH11/EX11.2/ex_2.sce b/2381/CH11/EX11.2/ex_2.sce
new file mode 100755
index 000000000..a8af32347
--- /dev/null
+++ b/2381/CH11/EX11.2/ex_2.sce
@@ -0,0 +1,16 @@
+//Example 2// Frequencies
+clc;
+clear;
+close;
+//given data :
+t1=15;// in sec
+t2=10;// in sec
+n2=400;// in vibrations/sec
+n1a=n2+(1/t1);
+n1b=n2-(1/t1);
+disp(n1a,"frequency,n1a(Hz) = ")
+disp(n1b,"frequency,n1b(Hz) = ")
+n_1a=n2+(1/t2);
+n_1b=n2-(1/t2);
+disp(n_1a,"frequency,n_1a(Hz) = ")
+disp(n_1b,"frequency,n_1b(Hz) = ")
diff --git a/2381/CH11/EX11.3/ex_3.sce b/2381/CH11/EX11.3/ex_3.sce
new file mode 100755
index 000000000..f54a6abcc
--- /dev/null
+++ b/2381/CH11/EX11.3/ex_3.sce
@@ -0,0 +1,16 @@
+//Example 3// Frequencies
+clc;
+clear;
+close;
+//given data :
+t1=15;// in sec
+t2=10;// in sec
+n2=256;// in vibrations/sec
+n1a=(2*n2)+(1/t1);
+n1b=(2*n2)-(1/t1);
+disp(n1a,"frequency,n1a(Hz) = ")
+disp(n1b,"frequency,n1b(Hz) = ")
+n_1a=(2*n2)+(1/t2);
+n_1b=(2*n2)-(1/t2);
+disp(n_1a,"frequency,n_1a(Hz) = ")
+disp(n_1b,"frequency,n_1b(Hz) = ")