ex5_26.m

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global kk; kk=0; [x,Y] = fsolve('my2deq',[1; 2]), kk

f=inline('[p(1)*p(1)+p(2)*p(2)-1; 0.75*p(1)^3-p(2)+0.9]','p');
[x,Y] = fsolve(f,[1; 2])

global kk; kk=0; [x,Y] = fsolve('my2deq',[-1,0]'), kk