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*

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

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解二元方程组 如何使用Matlab求解复杂的微分方程组用最简单的dsolve提示Explicit solution could not be found.然后就不知道自己列的方程是否出错了,(应该没错),所以想知道求解复杂微分方程的一些代码或者思路 Explicit matlab解方程组遇到的问题 Warning:Warning,solutions may have been lost Warning:Explicit solution我用matlab来解下面方程组,soil*0.1717+veg*0.3474+(1-soil-veg)*0.2318=b1(hang,lie)soil*0.1643+veg*0.3160+(1-soil-veg)*0.2272=b2(hang,lie) s 怎么用MATLAB求非线性方程组的解.比如方程'y=sqrt(1-x^2)'和'y=x+b'(b为常数)怎么求该方程组的实根?我用过[x,y]=solve('y=sqrt(1-x^2)','y=x+b),但是当该方程组没有实根时,警告:Explicit solution could not be f 怎样用MATLAB 或者 maple求解符号方程组怎样用软件实现下列方程组的解啊syms x y R a b >> [a,b]=solve('R*cos(a)-R*cos(a+b)=x','R*sin(a)-R*sin(a+b)=y','a,b') Warning: Explicit solution could not befo 用Matlab如何解方程组 求微分方程dx/dt=[A*ln((v+Bx)/v)-Dsin(a)]^0.5的解,其中x为变量,其余为常量,初始条件t=0时,x=0.t为自变量,x为因变量。用matlab求解 dsolve('Dx-(A*ln((v+B*x)/v)-E*sin(a))^0.5=0'),提示为Warning: Explicit solution co matlab中用solve解方程组的问题,为何给出空矩阵,应该怎么改?>> [Xm,X0,K0]=solve('Xm/((1+Xm/X0-1)*exp(-K0))=533.34','Xm/((1+Xm/X0-1)*exp(-2*K0))=534.38','Xm/((1+Xm/X0-1)*exp(-3*K0))=566.03','Xm','X0','K0')Warning:Explicit solution cou Matlab 解变限积分方程组 最好有代码因为我的解出来是explicit solution could not be found 谢谢syms x;k=10^-4;t=200;n=1;eq=1/(k*x^n);eqin=int(eq,x,100,x);solve('eqin+t=0','x'); matlab解非线性方程组 程序如下 不知道为什么显示Explicit solution could not be found a=100/180*pi %定义欧拉角φ1角度值b=45/180*pi %定义欧拉角Φ角度值c=60/180*pi %定义欧拉角φ2角度值M1=[cos(a),-sin(a),0;sin(a), matlab积分出错:Explicit integral could not be found.syms x;int((cos(pi*cos(x))+1)^2/sin(x),0,pi)Warning:Explicit integral could not be found.有什么其他的方法,可以找到这个积分的解? matlab 不定积分,数值积分,Explicit integral could not be found.数值积分的那些方法可以做不定积分么?用了符号积分,解不出来,显示Explicit integral could not be found. 求问,用matlab 解符号非线性方程组的时候出现 matlab Explicit solution could not be foundsyms a b c d e f g h i j k l m n o;p=f*cos(k)+g*sin(a)+o-i*sin(c)-h*sin(b);q=f*sin(k)+g*cos(a)+h*cos(b)+i*cos(c)-n;r=f*cos(k)+g*sin(a)+j*sin(d)+o-e 用matlab解微分方程组并作图 如何使用MATLAB解非线性方程组 怎么用matlab解非线性方程组