initial commit / add all books

1 files changed, 9 insertions, 0 deletions

diff --git a/104/CH6/EX6.4/6_4.sce b/104/CH6/EX6.4/6_4.sce
new file mode 100755
index 000000000..edc0156b7
--- /dev/null
+++ b/104/CH6/EX6.4/6_4.sce
@@ -0,0 +1,9 @@
+//first element in any row of rouths tabulation is zero
+s=%s
+m=s^4+s^3+2*s^2+2*s+3
+r=coeff(m);  //Extracts the coefficient of the polynomial
+n=length(r); 
+routh=routh_t(m)
+disp(routh,"routh=")
+printf("since there are two sign changes in the rouths tabulation,sys is unstable")
+