如何用matlab解下面的方程组y=2.8761*(x^(-5.988)-1)^(0.334)x=0.91937-0.65156*e^(-715.49*y)用solve[x,y]=solve('y=2.8761*(x^(-5.988)-1)^0.334','x=0.91937-0.65156*e^(-715.49*y)')最后解的x =[ empty sym ]y =[]如何用matlab求出真正的解
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![如何用matlab解下面的方程组y=2.8761*(x^(-5.988)-1)^(0.334)x=0.91937-0.65156*e^(-715.49*y)用solve[x,y]=solve('y=2.8761*(x^(-5.988)-1)^0.334','x=0.91937-0.65156*e^(-715.49*y)')最后解的x =[ empty sym ]y =[]如何用matlab求出真正的解](/uploads/image/z/8620433-17-3.jpg?t=%E5%A6%82%E4%BD%95%E7%94%A8matlab%E8%A7%A3%E4%B8%8B%E9%9D%A2%E7%9A%84%E6%96%B9%E7%A8%8B%E7%BB%84y%3D2.8761%2A%28x%5E%28-5.988%29-1%29%5E%280.334%29x%3D0.91937-0.65156%2Ae%5E%28-715.49%2Ay%29%E7%94%A8solve%5Bx%2Cy%5D%3Dsolve%28%27y%3D2.8761%2A%28x%5E%28-5.988%29-1%29%5E0.334%27%2C%27x%3D0.91937-0.65156%2Ae%5E%28-715.49%2Ay%29%27%29%E6%9C%80%E5%90%8E%E8%A7%A3%E7%9A%84x+%3D%5B+empty+sym+%5Dy+%3D%5B%5D%E5%A6%82%E4%BD%95%E7%94%A8matlab%E6%B1%82%E5%87%BA%E7%9C%9F%E6%AD%A3%E7%9A%84%E8%A7%A3)
如何用matlab解下面的方程组y=2.8761*(x^(-5.988)-1)^(0.334)x=0.91937-0.65156*e^(-715.49*y)用solve[x,y]=solve('y=2.8761*(x^(-5.988)-1)^0.334','x=0.91937-0.65156*e^(-715.49*y)')最后解的x =[ empty sym ]y =[]如何用matlab求出真正的解
如何用matlab解下面的方程组
y=2.8761*(x^(-5.988)-1)^(0.334)
x=0.91937-0.65156*e^(-715.49*y)
用solve
[x,y]=solve('y=2.8761*(x^(-5.988)-1)^0.334','x=0.91937-0.65156*e^(-715.49*y)')
最后解的x =
[ empty sym ]
y =
[]
如何用matlab求出真正的解.
非常急.
如何用matlab解下面的方程组y=2.8761*(x^(-5.988)-1)^(0.334)x=0.91937-0.65156*e^(-715.49*y)用solve[x,y]=solve('y=2.8761*(x^(-5.988)-1)^0.334','x=0.91937-0.65156*e^(-715.49*y)')最后解的x =[ empty sym ]y =[]如何用matlab求出真正的解
e^()应该为exp(),不过,还是没有解析解,用数值方法.
function hh
ezplot('2.8761*(x^(-5.988)-1)^0.334-y')
hold on
ezplot('0.91937-0.65156*exp(-715.49*y)-x')
grid
X=fsolve(@fun,[1 1])
function f=fun(X)
x=X(1);y=X(2);
f(1)=2.8761*(x^(-5.988)-1)^0.334-y;
f(2)=0.91937-0.65156*exp(-715.49*y)-x;
结果:
Optimization terminated:first-order optimality is less than options.TolFun.
X =
0.91937 2.4962