Thí nghiệm CAD (Computer-Aided Design)

- >>.
- >>x=0:0.1:1.
- >>z=rand(10,1).
- >>m .
- >>polyval(m,2).
- >>roots(m).
- >>a=1;.
- >>b=-4;.
- >>c=5.
- >>x1=(-b+sqrt(b^2-4*a*c))/(2*a).
- >>x2=(-b-sqrt(b^2-4*a*c))/(2*a) b.
- >>m=[a b c];.
- >>x=roots(m).
- >>help plot.
- >>plot(x,y1).
- >>x=[0 1 2 3];.
- >>y=[0 4 1 5];.
- >>h=plot(x,y).
- >>set(h).
- >>set(h,'Marker','v','MarkerSize',6).
- >>r=sin(5*theta);.
- >>polar(theta,r).
- >>x=sin(t);.
- >>y=cos(t);.
- >>z=t;.
- >>t=-5:0.1:5;.
- >>z=x.^2+y.^2;.
- >>x=-8:0.5:8;.
- >>y=x;.
- >>[x,y]=meshgrid(x,y);.
- >>r=sqrt(x.^2+y.^2);.
- >>z=sin(r)./r;.
- >>surf(x,y,z).
- >>bai21.
- >>x=0:0.05:1;.
- >>y=exp(x);.
- >>[x1,x2]=gptb2(1,6,-7).
- >>[x1,x2]=gptb2(2,7,14).
- >>[x1,x2]=gptb2(0,4,3).
- >>[x1,x2]=gptb2(1,6).
- >>s=sym(A).
- >>x=sym(x).
- >>pretty(z.
- >>syms x.
- >>S=2*x^2*(19+12*x^2)/(7*(x^2+1)).
- >>subs(y.
- >>syms x y.
- >>[x,y]= solve('x^2*sin(x^2)-3*y=7','x+y=1').
- >>S=y/(1+x^2+y^2).
- >>m=1000.
- >>b=50.
- >>u=500.
- >>Fm=1.
- >>t=[0:1/Fs:3.
- >>y=m.*c.
- >>z=z(1:length(z)/2+1.
- >>frq=[0:length(z)-1]*Fs/length(z)/2.
- >>subplot(313),plot(t,Y).
- >>y_mix=y.*c.
- >>[num,den]=butter(3, (Fc/2)/(Fs/2.
- >>plot(t,M_R,'g').
- >>clear.
- >>K=11.
- >>N=15.
- >>M=16.
- >>Fd=1.
- >>J=0.01;.
- >>b=0.1;.
- >>K=0.01;.
- >>R=1;.
- >>L=0.5;.
- >>num=K.
- >>den=[(J*L) ((J*R)+(L*b)) ((b*R)+K^2.
- >>step(hamtruyen).
- >>impulse(hamtruyen).
- >>A = [-b/J K/J.
- >>B = [0.
- >>C=[1 0];.
- >>D=0;.
- >>step(A,B,C,D).
- >>impulse(A,B,C,D).
- >>t=0:0.1:2*pi;.
- >>u=sin(pi/4*t);.
- >>num=K;.
- >>den=[(J*L) ((J*R)+(L*b)) ((b*R)+K^2)];.
- >>[numac,denac]=cloop(numa,dena).
- >>t=0:0.01:2;.
- >>step(numac,denac).
- >>Ki=1;.
- >>Kd=1;.
- >>numc=[Kd, Kp, Ki];.
- >>denc=[1 0];.
- >>[numac,denac]=cloop(numa,dena);.
- >>num=5;.
- >>den .
- >>[numc,denc]=cloop(num,den);.
- >>rlocus(htkin).
- >>[Kc,Omegac.
- >>denc=[1 0.
- >>[numac,denac]=cloop(conv(num,numc),conv(den,denc))

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