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| author | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
|---|---|---|
| committer | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
| commit | 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 (patch) | |
| tree | dbb9e3ddb5fc829e7c5c7e6be99b2c4ba356132c /257/CH8/EX8.19/example_8_19.sce | |
| parent | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (diff) | |
| download | Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.tar.gz Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.tar.bz2 Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.zip | |
initial commit / add all books
Diffstat (limited to '257/CH8/EX8.19/example_8_19.sce')
| -rw-r--r-- | 257/CH8/EX8.19/example_8_19.sce | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/257/CH8/EX8.19/example_8_19.sce b/257/CH8/EX8.19/example_8_19.sce new file mode 100644 index 000000000..f3b367aea --- /dev/null +++ b/257/CH8/EX8.19/example_8_19.sce @@ -0,0 +1,23 @@ +s=%s
+F=s^6+2*s^5+5*s^4+8*s^3+8*s^2+8*s+4
+
+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
+ disp("s^2 is")
+ k=(roots(routh(3,:)))
+ disp(k)
+end
+
+if(k(2,1)==k(3,1))
+ printf("repeated roots on imaginary axis. hence unstable system")
\ No newline at end of file |