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authorprashantsinalkar2017-10-10 12:27:19 +0530
committerprashantsinalkar2017-10-10 12:27:19 +0530
commit7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 (patch)
treedbb9e3ddb5fc829e7c5c7e6be99b2c4ba356132c /257/CH8/EX8.14
parentb1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (diff)
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-rw-r--r--257/CH8/EX8.14/example_8_14.sce24
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diff --git a/257/CH8/EX8.14/example_8_14.sce b/257/CH8/EX8.14/example_8_14.sce
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+s=%s
+F=s^6+2*s^5+8*s^4+12*s^3+20*s^2+16*s+16
+
+disp(routh_t(F))
+r=coeff(F)
+routh=routh_t(F)
+n=length(r)
+c=0;
+for i=1:n
+if (routh(i,1)<0)
+c=c+1;
+ end
+ end
+ if(c>=1)
+ printf("system is unstable")
+ else printf("there are no roots on RHS")
+ end
+
+
+R=sqrt(roots(routh(3,:)))
+disp(R)
+
+disp("non repeated roots on imaginary axis. hence system is marginally stable")
+