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1 files changed, 9 insertions, 0 deletions
diff --git a/1499/CH3/EX3.28/q28.sce b/1499/CH3/EX3.28/q28.sce
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+++ b/1499/CH3/EX3.28/q28.sce
@@ -0,0 +1,9 @@
+s=%s;
+syms k;
+
+num=1;
+den=s*(s+2)*(s^2+4*s+13);
+t=syslin('c',num,den);
+clf;
+evans(t)
+xgrid;