matlab解方程组提示Explicit solution could not be found.应该是没有解析解.请问应该怎么写?M文件:function hw4(p,q,V0,E);h=4.136*10^(-15);m0=9.1*10^(-31);b=(1.6*10^(-19))^(0.5);a=2*10^(-9);E0=0;E1=0.225;y=solve('cot(pi*a*sqrt(2*p*
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![matlab解方程组提示Explicit solution could not be found.应该是没有解析解.请问应该怎么写?M文件:function hw4(p,q,V0,E);h=4.136*10^(-15);m0=9.1*10^(-31);b=(1.6*10^(-19))^(0.5);a=2*10^(-9);E0=0;E1=0.225;y=solve('cot(pi*a*sqrt(2*p*](/uploads/image/z/13332909-21-9.jpg?t=matlab%E8%A7%A3%E6%96%B9%E7%A8%8B%E7%BB%84%E6%8F%90%E7%A4%BAExplicit+solution+could+not+be+found.%E5%BA%94%E8%AF%A5%E6%98%AF%E6%B2%A1%E6%9C%89%E8%A7%A3%E6%9E%90%E8%A7%A3.%E8%AF%B7%E9%97%AE%E5%BA%94%E8%AF%A5%E6%80%8E%E4%B9%88%E5%86%99%3FM%E6%96%87%E4%BB%B6%EF%BC%9Afunction+hw4%28p%2Cq%2CV0%2CE%29%3Bh%3D4.136%2A10%5E%28-15%29%3Bm0%3D9.1%2A10%5E%28-31%29%3Bb%3D%281.6%2A10%5E%28-19%29%29%5E%280.5%29%3Ba%3D2%2A10%5E%28-9%29%3BE0%3D0%3BE1%3D0.225%3By%3Dsolve%28%27cot%28pi%2Aa%2Asqrt%282%2Ap%2A)
matlab解方程组提示Explicit solution could not be found.应该是没有解析解.请问应该怎么写?M文件:function hw4(p,q,V0,E);h=4.136*10^(-15);m0=9.1*10^(-31);b=(1.6*10^(-19))^(0.5);a=2*10^(-9);E0=0;E1=0.225;y=solve('cot(pi*a*sqrt(2*p*
matlab解方程组提示Explicit solution could not be found.应该是没有解析解.请问应该怎么写?
M文件:
function hw4(p,q,V0,E);
h=4.136*10^(-15);
m0=9.1*10^(-31);
b=(1.6*10^(-19))^(0.5);
a=2*10^(-9);
E0=0;E1=0.225;
y=solve('cot(pi*a*sqrt(2*p*m0*E)/(h*b))-sqrt(q*E/(p*(V0-E)))=0','E')
Command 中输入
>> hw4(0.47,0.62,0.525)
Warning:Explicit solution could not be
found.
y =
[ empty sym ]
matlab解方程组提示Explicit solution could not be found.应该是没有解析解.请问应该怎么写?M文件:function hw4(p,q,V0,E);h=4.136*10^(-15);m0=9.1*10^(-31);b=(1.6*10^(-19))^(0.5);a=2*10^(-9);E0=0;E1=0.225;y=solve('cot(pi*a*sqrt(2*p*
没有解析解,可以有数值解啊