Hi,
I want to solve this system of equations
P= exp(-r.^2.*P+R.^2.*Q).*sum((r.^2.*P +R.^2.*Q).^m./factorial(m)) // with m=(0:1:k-1); ;k=5Q=exp(-r.^2.*P + R.^2.*Q.*sum((r.^2*P + R.^2.*Q).^n./factorial(n)) // n=(k:1:K_avg); K_avg=10
I tried to solve this system with solve. the result of execution : error eqns.
do you have an idea ?
th = -80:-3:-106;list1 = zeros(size(th));list2 = zeros(size(th)); r=[ 15.8 20.8 27.5 36.3 47.6 63.9 83.1 109.6 115.2]; R=[ 8.12 10.9 14.4 19.2 25.6 33.1 43.5 75.6 80.2];for i = 1:numel(th)K_avg=17;k=9;m=(0:1:k-1);n=(k:1:K_avg);syms P Qeqns= [exp(-r.^2.*P+R.^2.*Q).*sum((r.^2.*P +R.^2.*Q).^m./factorial(m))-P==0,exp(-r.^2.*P + R.^2.*Q.*sum((r.^2*P + R.^2.*Q).^n./factorial(n))-Q==0)];vars = [P Q];[sol1,sol2]=solve(eqns,vars);list1(i) = sol1;list2(i) = sol2;end
Best Answer