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authorprashantsinalkar2017-10-10 12:27:19 +0530
committerprashantsinalkar2017-10-10 12:27:19 +0530
commit7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 (patch)
treedbb9e3ddb5fc829e7c5c7e6be99b2c4ba356132c /257/CH8/EX8.23/example_8_23.sce
parentb1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (diff)
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Diffstat (limited to '257/CH8/EX8.23/example_8_23.sce')
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diff --git a/257/CH8/EX8.23/example_8_23.sce b/257/CH8/EX8.23/example_8_23.sce
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index 000000000..17abb700e
--- /dev/null
+++ b/257/CH8/EX8.23/example_8_23.sce
@@ -0,0 +1,27 @@
+s=%s
+P=s^6+2*s^5+9*s^4+16*s^3+24*s^2+32*s+16
+routh=routh_t(P)
+disp(routh)
+r=coeff(P)
+n=length(r)
+c=0;
+for i=1:n
+if (routh(i,1)<0)
+c=c+1;
+ end
+ end
+ if(c>=1)
+ printf("there are %d roots on RHS",c)
+ else printf("there are no roots in RHS")
+ end
+ disp("s is")
+R=(sqrt(roots(routh(3,:))))
+ disp(R)
+k=0
+for(i=1:3)
+ if(real (R(i,1))==0)
+ k=k+1
+ end
+ end
+
+printf("thus %d roots on imaginary axis and there are %d roots in LHS",2*(k-1),6-c-2*(k-1)) \ No newline at end of file