initial commit / add all books

2 files changed, 20 insertions, 0 deletions

diff --git a/1340/CH8/EX8.7/8_7.jpg b/1340/CH8/EX8.7/8_7.jpg
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+++ b/1340/CH8/EX8.7/8_7.jpg
diff --git a/1340/CH8/EX8.7/8_7.sce b/1340/CH8/EX8.7/8_7.sce
new file mode 100755
index 000000000..2050581b2
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+clear; clc;

+xdel(winsid());  //close all windows

+s = %s;

+G = syslin('c',(s^2-4*s+20)/((s+2)*(s+4)));

+zeroes = roots(numer(G));

+disp(zeroes,"zeroes are:");

+poles = roots(denom(G));

+disp(poles,"poles are:");

+evans(G,10);

+v = [-6 6 -6 6];

+mtlb_axis(v)

+sgrid([0.45,0],[0],32);//displays the zeta = 0,0.45 line

+curve_handles=datatipGetEntities()//gets the entities required

+curve_handles.visible='off';

+curve_handles.visible='on';

+zeta = 0.45;//damping ratio = 0.45

+anglezeta = (%pi-acos(0.45))*180/%pi;

+disp(anglezeta,"angle made by the line with zeta = 0.45 to the root locus:");

+printf("from root locus plotwe have  for stable system gain K =(0,1.5)");

+