diff options
| 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/EX8.10/example_8_10.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/EX8.10/example_8_10.sce')
| -rw-r--r-- | 257/CH8/EX8.10/example_8_10.sce | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/257/CH8/EX8.10/example_8_10.sce b/257/CH8/EX8.10/example_8_10.sce new file mode 100644 index 000000000..c5a1af4c4 --- /dev/null +++ b/257/CH8/EX8.10/example_8_10.sce @@ -0,0 +1,21 @@ +s=%s
+P=s^4+2*s^2+1
+disp(routh_t(P))
+r=coeff(P)
+routh=routh_t(P)
+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("no sign changes, so no roots in RHS")
+ end
+ disp("s^2 is")
+ k=roots(routh(1,:))
+ disp(k)
+
+ disp("since, s^2 is negetive, s is purely imaginary. hence the 4 roots are on the imaginary axis")
\ No newline at end of file |