matlab解符号方程Y^2-Z^2=X^2Y+Z-A=0X^2-B*X-C=0我是这样写的:function [x,y,z]=sp(A,B,C)[u,v,w]=solve('y*y-z*z-x*x','y+z-a','x*x-b*x-c')subs(u,[a,b,c],[A,B,C])subs(v,[a,b,c],[A,B,C])subs(w,[a,b,c],[A,B,C])x=uy=v;z=w;运行时提示以下的错
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![matlab解符号方程Y^2-Z^2=X^2Y+Z-A=0X^2-B*X-C=0我是这样写的:function [x,y,z]=sp(A,B,C)[u,v,w]=solve('y*y-z*z-x*x','y+z-a','x*x-b*x-c')subs(u,[a,b,c],[A,B,C])subs(v,[a,b,c],[A,B,C])subs(w,[a,b,c],[A,B,C])x=uy=v;z=w;运行时提示以下的错](/uploads/image/z/3685800-48-0.jpg?t=matlab%E8%A7%A3%E7%AC%A6%E5%8F%B7%E6%96%B9%E7%A8%8BY%5E2-Z%5E2%3DX%5E2Y%2BZ-A%3D0X%5E2-B%2AX-C%3D0%E6%88%91%E6%98%AF%E8%BF%99%E6%A0%B7%E5%86%99%E7%9A%84%3Afunction+%5Bx%2Cy%2Cz%5D%3Dsp%28A%2CB%2CC%29%5Bu%2Cv%2Cw%5D%3Dsolve%28%27y%2Ay-z%2Az-x%2Ax%27%2C%27y%2Bz-a%27%2C%27x%2Ax-b%2Ax-c%27%29subs%28u%2C%5Ba%2Cb%2Cc%5D%2C%5BA%2CB%2CC%5D%29subs%28v%2C%5Ba%2Cb%2Cc%5D%2C%5BA%2CB%2CC%5D%29subs%28w%2C%5Ba%2Cb%2Cc%5D%2C%5BA%2CB%2CC%5D%29x%3Duy%3Dv%3Bz%3Dw%3B%E8%BF%90%E8%A1%8C%E6%97%B6%E6%8F%90%E7%A4%BA%E4%BB%A5%E4%B8%8B%E7%9A%84%E9%94%99)
matlab解符号方程Y^2-Z^2=X^2Y+Z-A=0X^2-B*X-C=0我是这样写的:function [x,y,z]=sp(A,B,C)[u,v,w]=solve('y*y-z*z-x*x','y+z-a','x*x-b*x-c')subs(u,[a,b,c],[A,B,C])subs(v,[a,b,c],[A,B,C])subs(w,[a,b,c],[A,B,C])x=uy=v;z=w;运行时提示以下的错
matlab解符号方程
Y^2-Z^2=X^2
Y+Z-A=0
X^2-B*X-C=0
我是这样写的:
function [x,y,z]=sp(A,B,C)
[u,v,w]=solve('y*y-z*z-x*x','y+z-a','x*x-b*x-c')
subs(u,[a,b,c],[A,B,C])
subs(v,[a,b,c],[A,B,C])
subs(w,[a,b,c],[A,B,C])
x=u
y=v;
z=w;
运行时提示以下的错误
Undefined function or variable 'a'.
Error in ==> sp222 at 3
subs(u,[a,b,c],[A,B,C])
我实在不知道哪里出了问题,请各位给我一种非M脚本的解法!
既A,B,C要输入,而不是写在里面的!
matlab解符号方程Y^2-Z^2=X^2Y+Z-A=0X^2-B*X-C=0我是这样写的:function [x,y,z]=sp(A,B,C)[u,v,w]=solve('y*y-z*z-x*x','y+z-a','x*x-b*x-c')subs(u,[a,b,c],[A,B,C])subs(v,[a,b,c],[A,B,C])subs(w,[a,b,c],[A,B,C])x=uy=v;z=w;运行时提示以下的错
function [x,y,z]=sp(A,B,C)
syms x y z
[x,y,z]=solve(y*y-z*z-x*x,y+z-A,x*x-B*x-C);