matlab解符号方程组sym T;k1=0.49;k_1=1755;k2=9.2;k3=40;k_3=0.5;k4=4.6;k5=5;k6=40;k_6=0.5;k7=4.6;k8=5;f1=k_1*b+k8*z-k1*T*a;f2=k1*T*a-k_1*b-k2*T*b;f3=k2*T*b+k_3*f-k3*c;f4=k3*c-k_3*f-k4*f;f5=k4*f-k5*g;f6=k5*g+k_6*y-k6*x;f7=k6*x-k_6*y-k7*y;f8=k7*y-k

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/11 02:25:52
matlab解符号方程组sym T;k1=0.49;k_1=1755;k2=9.2;k3=40;k_3=0.5;k4=4.6;k5=5;k6=40;k_6=0.5;k7=4.6;k8=5;f1=k_1*b+k8*z-k1*T*a;f2=k1*T*a-k_1*b-k2*T*b;f3=k2*T*b+k_3*f-k3*c;f4=k3*c-k_3*f-k4*f;f5=k4*f-k5*g;f6=k5*g+k_6*y-k6*x;f7=k6*x-k_6*y-k7*y;f8=k7*y-k
xj@_Ei';)" ;FdJE颴šR(!PzQMb<%12ҵce{眫 p_˟]9=/篲8`-wC[1iͤ]:Ve㪧Pp|pގ s"-|C&l="mu1pv7 }&\^U\,xU1WU=BHϘyUR񘉀WN/m v+p$\C@ ttmMkjz+?pCoIp8A_g J,M%Kga6c ))|SO(MppGG'i%8J8MFFtv:ax{YL&좜OŇ|2]^/n_.n͇ͬ/>_)E|?”erÎG:6t^ҡG:hc9H䣿~;*ӏU

matlab解符号方程组sym T;k1=0.49;k_1=1755;k2=9.2;k3=40;k_3=0.5;k4=4.6;k5=5;k6=40;k_6=0.5;k7=4.6;k8=5;f1=k_1*b+k8*z-k1*T*a;f2=k1*T*a-k_1*b-k2*T*b;f3=k2*T*b+k_3*f-k3*c;f4=k3*c-k_3*f-k4*f;f5=k4*f-k5*g;f6=k5*g+k_6*y-k6*x;f7=k6*x-k_6*y-k7*y;f8=k7*y-k
matlab解符号方程组
sym T;
k1=0.49;
k_1=1755;
k2=9.2;
k3=40;
k_3=0.5;
k4=4.6;
k5=5;
k6=40;
k_6=0.5;
k7=4.6;
k8=5;
f1=k_1*b+k8*z-k1*T*a;
f2=k1*T*a-k_1*b-k2*T*b;
f3=k2*T*b+k_3*f-k3*c;
f4=k3*c-k_3*f-k4*f;
f5=k4*f-k5*g;
f6=k5*g+k_6*y-k6*x;
f7=k6*x-k_6*y-k7*y;
f8=k7*y-k8*z;
solve(f1,f2,f3,f4,f5,f6,f7,f8)
error_msg :maple:directory does not exist

matlab解符号方程组sym T;k1=0.49;k_1=1755;k2=9.2;k3=40;k_3=0.5;k4=4.6;k5=5;k6=40;k_6=0.5;k7=4.6;k8=5;f1=k_1*b+k8*z-k1*T*a;f2=k1*T*a-k_1*b-k2*T*b;f3=k2*T*b+k_3*f-k3*c;f4=k3*c-k_3*f-k4*f;f5=k4*f-k5*g;f6=k5*g+k_6*y-k6*x;f7=k6*x-k_6*y-k7*y;f8=k7*y-k
我把程序稍微给你改动了一下,跑出结果来了~
clear;clc;
sym T;
k1=0.49;
k_1=1755;
k2=9.2;
k3=40;
k_3=0.5;
k4=4.6;
k5=5;
k6=40;
k_6=0.5;
k7=4.6;
k8=5;
f1='k_1*b+k8*z-k1*T*a';
f2='k1*T*a-k_1*b-k2*T*b';
f3='k2*T*b+k_3*f-k3*c';
f4='k3*c-k_3*f-k4*f';
f5='k4*f-k5*g';
f6='k5*g+k_6*y-k6*x';
f7='k6*x-k_6*y-k7*y';
f8='k7*y-k8*z';
solve(f1,f2,f3,f4,f5,f6,f7,f8)

matlab解符号方程组sym T;k1=0.49;k_1=1755;k2=9.2;k3=40;k_3=0.5;k4=4.6;k5=5;k6=40;k_6=0.5;k7=4.6;k8=5;f1=k_1*b+k8*z-k1*T*a;f2=k1*T*a-k_1*b-k2*T*b;f3=k2*T*b+k_3*f-k3*c;f4=k3*c-k_3*f-k4*f;f5=k4*f-k5*g;f6=k5*g+k_6*y-k6*x;f7=k6*x-k_6*y-k7*y;f8=k7*y-k matlab解符号方程组条件是(k1-k3)/(1+k1*k3)=(k2-k1)/(1+k2*k1)k1=-30/x0k2=(z0-15)/(x0-x1)k3=(z0-25015)/(x0-2600)2600*(z0+15)=(z0-24985)*x1要求得到结果x1=(x1^5-2600*x0^4+1800*x0^3-4680000*x0^2+810000*x0+2106000000)/(x0^4-1498200*x0^2-93600 matlab中符号常量用sym函数如何定义 如何用matlab解非线性方程组y1=(K1*0.1*F/(-K1+K)*exp(3*(-K1+K))+C1)*exp(-K*3));y2=(K1*0.1*F/(-K1+K)*exp(18*(-K1+K))+C1)*exp(-K*18));y3=(K1*0.1*F/(-K1+K)*exp(20*(-K1+K))+C1)*exp(-K*20));其中y1,y2,y3都是常数. matlab里面S_sym=sym('sin(-3*t)*exp(-t)');中sym是什么意思,不加可以吗? matlab解多元高次方程组 七元方程组 运行出来为什么是这样的clear alle1=sym('-0.486*x+0.502*2*(z-y)-0.994*z+6*0.048*cos(z)=0');e2=sym('m^2=0.068^2+0.048^2-2*0.068*0.048*cos(z)');e3=sym('n=acos((0.068^2+m^2-0.048^2)/(2*0.068*m))'); matlab中创建符号变量常用的两个命令sym和ayms有什么区别 MATLAB中 ,exp(sym(1))中为什么要将1转换成符号量 matlab中关于符号向量的计算问题,求帮助clcclearu2=zeros(1,100);for i=1:101 u=sym('u',[1,101]);endfor i=1:100 b=sym('b',[1,100]); d=sym('d',[1,100]); a=sym('a',[1,100]);endu(1,1)=1;t=0:1:100;for i=1:100 b(1,i)=u(i+1)/2; d(1 MATLAB符号运算问题运行下面:syms a b x X Y>> k=sym('3');>> z=sym('c*sqrt(d)+y*sin(t)');>> EXPR=a*z*X+(b*x^2+k)*Y;>> symvar(EXPR)得到:ans =[ X,Y,a,b,c,d,t,x,y]这是书上的一个例子.但有一点比较疑惑:符号运算不是都 matlab求解符号隐式方程,非常急!方程:vx=v0-int((1/2)*k1*vx^2,t)-int((1/2)*(k1+k2)*vx^2,t)其中v0,k1,k2为符号常量,vx,t为符号变量求vx(用t表示) matlab求解符号隐式方程,非常急!方程:vx=v0-int((1/2)*k1*vx^2,t)-int((1/2)*(k1+k2)*vx^2,t)其中v0,k1,k2为符号常量,vx,t为符号变量求vx(用t表示) Matlab画不出波形,f(t)=sin(2*pi*sym('f0')*t)-alpha*sin(2*pi*sym('f0')*t)*[u*(t-sym('t1'))-u*(t-sym('t2'))];sym('f0')=50,sym('t1')=0.04,sym('t2')=0.1,alpha=0.2;plot(f(t),t);grid on这个是命令里的Error in ==> one at 1f(t)=sin(2*pi*sym('f0')*t matlab 符号函数的问题f=solve('x+y+z=1','x-y+z=2','2*x-y-z=1')f = x:[1x1 sym]y:[1x1 sym]z:[1x1 sym]我用的是7.1 按照教程上说的 应该是求出各个解才对 为什么求不出解? matlab解决符号方程问题刚学MATLAB没几天,下面这个符号方程问题解不了,请高手赐教!ff=sym('m*sin(a)-b*(p*t-c)*sin(t)')t=solve(ff,t)m,a,b,p,c都是已知量,想求出t的表达式出来,可运行结果却为:? Error using ==> matlab怎么解物理中含有参数的方程组?如要用 M-T*R=k1*b1; T*r=k2*b2; b1*R=r*b2 算出b1 b2,其中b1 b2 T是未知数,结果用已知量表示.这题用笔一下就可以算出 我只是举个例子 用solve解这方程组怎么含有未 用matlab 求解带符号的微分方程组微分方程组为:dx/dt=k1*x*y+k2*x*zdy/dt=k1*x*y+k3*y*fdz/dt=k1*x*y-k2*z*x+k3*y*fdf/dt=k2*z*x-k3*y*f初始条件为:x(0)=x0,y(0)=y0,z(0)=0,f(0)=0式中k1,k2,k3,k4是常数,我想用matlab求出x,y,z,f matlab符号计算出错本人在matlab7中运行书本中如下符号计算例题clearsyms xg=sym('cos(x+sin(y(x))')dgdx=diff(g,x)matlab7显示出错如下:Error using ==> sym.sym>char2symNot a valid symbolic expression.Error in ==> sym.sym at 92S