MATLAB fsolve解线性方程组的问题答:关键是把题目中的方程组整理成向量运算的样子 function Que=zuoye5(x, A, B, C)[M, N] = size(C, 2);tmp = C+repmat(log(A), 1, N) + repmat(log(x'/sum(x)), M, 1);Que = tmp*x-B;end试试这个。还有,fsolve(@zueye5,[-1,-2,1,2,3,4,5,6,7,8]')输入的x0...
matlab非线性拟合答:在Matlab下输入:edit,然后将下面两行百分号之间的内容,复制进去,保存 function F=zhidao_31(a,x)其中K,C,Z,B分别用a(1),a(2),a(3),a(4)代替 X,Y,F0分别用x(:,1),x(:,2),x(:,3)代替 F=a(1)*x(:,1)+a(2)*x(:,2)+a(3)*(1-exp(-a(4)*x(:,2).^2))-x...