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9 files changed, 155 insertions, 0 deletions

diff --git a/1523/CH12/EX12.10/ex12_10.sce b/1523/CH12/EX12.10/ex12_10.sce
new file mode 100755
index 000000000..595fec234
--- /dev/null
+++ b/1523/CH12/EX12.10/ex12_10.sce
@@ -0,0 +1,19 @@
+// Network Synthesis : example 12.10 : (pg 12.6 & 12.7)

+s=poly(0,'s');

+p1=((s^5)+((s^3))+(s));

+p2=((5*(s^4))+3*(s^2)+1);

+[r,q]=pdiv(p1,p2);

+[r1,q1]=pdiv(p2,r);

+[r2,q2]=pdiv(r,r1);

+[r3,q3]=pdiv(r1,r2);

+[r4,q4]=pdiv(r2,r3);

+printf("\n P(s) = ((s^5)+((s^3))+(s))");

+printf("\n d/ds.P(s)= ((5*(s^4))+3*(s^2)+1)");

+printf("\nQ(s)=P(s)/d/ds.P(s)");

+// values of quotients in continued fraction expansion

+disp(q);

+disp(q1);

+disp(q2);

+disp(q3);

+disp(q4);

+printf("\nSince two quotient terms are negative, P(s) is not hurwitz");

diff --git a/1523/CH12/EX12.2/ex12_2.sce b/1523/CH12/EX12.2/ex12_2.sce
new file mode 100755
index 000000000..16cc3fad6
--- /dev/null
+++ b/1523/CH12/EX12.2/ex12_2.sce
@@ -0,0 +1,17 @@
+// Network Synthesis : example 12.2 : (pg 12.2)

+s=poly(0,'s');

+p1=((s^4)+(5*(s)^2)+4);

+p2=((s^3)+(3*s));

+[r,q]=pdiv(p1,p2);

+[r1,q1]=pdiv(p2,r);

+[r2,q2]=pdiv(r,r1);

+[r3,q3]=pdiv(r1,r2);

+printf("\nEven part of P(s) = (s^4)+(5s^3)+4");

+printf("\nOdd part of P(s) = (s^3)+(3s)");

+printf("\nQ(s)= m(s)/n(s)");

+// values of quotients in continued fraction expansion

+disp(q);

+disp(q1);

+disp(q2);

+disp(q3);

+printf("\nSince all the quotient terms are positive, P(s) is hurwitz");

diff --git a/1523/CH12/EX12.3/ex12_3.sce b/1523/CH12/EX12.3/ex12_3.sce
new file mode 100755
index 000000000..9f5d4fda0
--- /dev/null
+++ b/1523/CH12/EX12.3/ex12_3.sce
@@ -0,0 +1,15 @@
+// Network Synthesis : example 12.3 : (pg 12.2 & 12.3)

+s=poly(0,'s');

+p1=((s^3)+(5*(s)));

+p2=((4*s^2)+(2));

+[r,q]=pdiv(p1,p2);

+[r1,q1]=pdiv(p2,r);

+[r2,q2]=pdiv(r,r1);

+printf("\nEven part of P(s) = ((4*s^2)+(2))");

+printf("\nOdd part of P(s) = ((s^3)+(5*(s)))");

+printf("\nQ(s)= n(s)/m(s)");

+// values of quotients in continued fraction expansion

+disp(q);

+disp(q1);

+disp(q2);

+printf("\nSince all the quotient terms are positive, P(s) is hurwitz");

diff --git a/1523/CH12/EX12.4/ex12_4.sce b/1523/CH12/EX12.4/ex12_4.sce
new file mode 100755
index 000000000..2730922ec
--- /dev/null
+++ b/1523/CH12/EX12.4/ex12_4.sce
@@ -0,0 +1,17 @@
+// Network Synthesis : example 12.4 : (pg 12.3)

+s=poly(0,'s');

+p1=((s^4)+(3*(s)^2)+12);

+p2=((s^3)+(2*s));

+[r,q]=pdiv(p1,p2);

+[r1,q1]=pdiv(p2,r);

+[r2,q2]=pdiv(r,r1);

+[r3,q3]=pdiv(r1,r2);

+printf("\nEven part of P(s) = ((s^4)+(3*(s)^2)+12)");

+printf("\nOdd part of P(s) = ((s^3)+(2*s))");

+printf("\nQ(s)= m(s)/n(s)");

+// values of quotients in continued fraction expansion

+disp(q);

+disp(q1);

+disp(q2);

+disp(q3);

+printf("\nSince two quotient terms are negative, P(s) is  not hurwitz");

diff --git a/1523/CH12/EX12.5/ex12_5.sce b/1523/CH12/EX12.5/ex12_5.sce
new file mode 100755
index 000000000..77432af6e
--- /dev/null
+++ b/1523/CH12/EX12.5/ex12_5.sce
@@ -0,0 +1,17 @@
+// Network Synthesis : example 12.5 : (pg 12.3 & 12.4)

+s=poly(0,'s');

+p1=((s^4)+(2*(s)^2)+2);

+p2=((s^3)+(3*s));

+[r,q]=pdiv(p1,p2);

+[r1,q1]=pdiv(p2,r);

+[r2,q2]=pdiv(r,r1);

+[r3,q3]=pdiv(r1,r2);

+printf("\nEven part of P(s) = ((s^4)+(2*(s)^2)+2)");

+printf("\nOdd part of P(s) = (s^3)+(3s)");

+printf("\nQ(s)= m(s)/n(s)");

+// values of quotients in continued fraction expansion

+disp(q);

+disp(q1);

+disp(q2);

+disp(q3);

+printf("\nSince two terms are negative, P(s) is  not hurwitz");
\ No newline at end of file
diff --git a/1523/CH12/EX12.6/ex12_6.sce b/1523/CH12/EX12.6/ex12_6.sce
new file mode 100755
index 000000000..4622b6986
--- /dev/null
+++ b/1523/CH12/EX12.6/ex12_6.sce
@@ -0,0 +1,17 @@
+// Network Synthesis : example 12.6 : (pg 12.4)

+s=poly(0,'s');

+p1=((2*(s^4))+(6*(s)^2)+1);

+p2=((5*(s^3))+(3*s));

+[r,q]=pdiv(p1,p2);

+[r1,q1]=pdiv(p2,r);

+[r2,q2]=pdiv(r,r1);

+[r3,q3]=pdiv(r1,r2);

+printf("\nEven part of P(s) = ((2*s^4)+(6*(s)^2)+1)");

+printf("\nOdd part of P(s) = ((5*s^3)+(3*s))");

+printf("\nQ(s)= m(s)/n(s)");

+// values of quotients in continued fraction expansion

+disp(q);

+disp(q1);

+disp(q2);

+disp(q3);

+printf("\nSince all the quotient terms are positive, P(s) is hurwitz");

diff --git a/1523/CH12/EX12.7/ex12_7.sce b/1523/CH12/EX12.7/ex12_7.sce
new file mode 100755
index 000000000..26c6d50d2
--- /dev/null
+++ b/1523/CH12/EX12.7/ex12_7.sce
@@ -0,0 +1,17 @@
+// Network Synthesis : example 12.7 : (pg 12.4 & 12.5)

+s=poly(0,'s');

+p1=((s^4)+(6*(s)^2)+8);

+p2=(7*(s^3)+(21*s));

+[r,q]=pdiv(p1,p2);

+[r1,q1]=pdiv(p2,r);

+[r2,q2]=pdiv(r,r1);

+[r3,q3]=pdiv(r1,r2);

+printf("\nEven part of P(s) = ((s^4)+(6*(s)^2)+8)");

+printf("\nOdd part of P(s) = (7*(s^3)+(21*s))");

+printf("\nQ(s)= m(s)/n(s)");

+// values of quotients in continued fraction expansion

+disp(q);

+disp(q1);

+disp(q2);

+disp(q3);

+printf("\nSince all the quotient terms are positive, P(s) is hurwitz");

diff --git a/1523/CH12/EX12.8/ex12_8.sce b/1523/CH12/EX12.8/ex12_8.sce
new file mode 100755
index 000000000..c7b06d159
--- /dev/null
+++ b/1523/CH12/EX12.8/ex12_8.sce
@@ -0,0 +1,17 @@
+// Network Synthesis : example 12.8 : (pg 12.5)

+s=poly(0,'s');

+p1=((s^4)+(5*(s)^2)+10);

+p2=(5*(s^3)+(4*s));

+[r,q]=pdiv(p1,p2);

+[r1,q1]=pdiv(p2,r);

+[r2,q2]=pdiv(r,r1);

+[r3,q3]=pdiv(r1,r2);

+printf("\nEven part of P(s) = ((s^4)+(5*(s)^2)+10)");

+printf("\nOdd part of P(s) = (5*(s^3)+(4*s))");

+printf("\nQ(s)= m(s)/n(s)");

+// values of quotients in continued fraction expansion

+disp(q);

+disp(q1);

+disp(q2);

+disp(q3);

+printf("\nSince two terms are negative, P(s) is not hurwitz");

diff --git a/1523/CH12/EX12.9/ex12_9.sce b/1523/CH12/EX12.9/ex12_9.sce
new file mode 100755
index 000000000..f1daea1f8
--- /dev/null
+++ b/1523/CH12/EX12.9/ex12_9.sce
@@ -0,0 +1,19 @@
+// Network Synthesis : example 12.9 : (pg 12.6)

+s=poly(0,'s');

+p1=((s^5)+(3*(s^3))+(2*s));

+p2=((5*(s^4))+9*(s^2)+2);

+[r,q]=pdiv(p1,p2);

+[r1,q1]=pdiv(p2,r);

+[r2,q2]=pdiv(r,r1);

+[r3,q3]=pdiv(r1,r2);

+[r4,q4]=pdiv(r2,r3);

+printf("\n P(s) = ((s^5)+(3*(s^3))+(2*s))");

+printf("\n d/ds.P(s)= ((5*(s^4))+9*(s^2)+2)");

+printf("\nQ(s)=P(s)/d/ds.P(s)");

+// values of quotients in continued fraction expansion

+disp(q);

+disp(q1);

+disp(q2);

+disp(q3);

+disp(q4);

+printf("\nSince all the quotient terms are positive, P(s) is hurwitz");