initial commit / add all books

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+//function//

+A=[0 1;-6 -5]

+x=[1;0];

+disp(x,"x(t)=')

+s=poly(0,'s');

+[Row Col]=size(A)    //Size of a matrix

+m=s*eye(Row,Col)-A   //sI-A

+n=det(m)             //To Find The Determinant of si-A

+p=inv(m) ;           // To Find The Inverse Of sI-A

+syms t s;

+disp(p,"phi(s)=")   //Resolvent Matrix

+for i=1:Row

+for j=1:Col

+//Taking Inverse Laplace of each element of Matrix phi(s)

+q(i,j)=ilaplace(p(i,j),s,t);  

+end;

+end;

+disp(q,"phi(t)=")//State Transition Matrix

+r=inv(q);  

+r=simple(r); //To Find phi(-t)

+disp(r,"phi(-t)=")

+y=q*x; //x(t)=phi(t)*x(0)

+disp(y,"Solution To The given eq.=")