MATLAB: NONLINEAR EQUATIONS WITH FSOLVE

fsolveMATLABnonlinearnonlinear equation

Hello people, I would know how to obtain a vector of solution. I have 2 nonlinear function, and I need to obtain for each temperature two variable of solution; So in sum up , I need obtain a matrix with temperatures and 2 solution variables. Thanks!!!

Best Answer

I have no idea what your function is. You can do something like this:

T = linspace(270, 300, 10);                             % Create Temperature Vector
p0 = [1; 1];                                            % Initial Parameter Estimates (Column Vector)
fcn = @(p,T) (p(1)*T.^2 - p(2)*T - 10);                % Create Function With Two Parameters
for k1 = 1:numel(T)
    P(:,k1) = fsolve(@(p)fcn(p,T(k1)), p0);             % Solve & Store Results For Each Value Of ‘T’
end

figure
plot(T, P)
grid
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