Matlab stem(t,h,'k-','MarkerSize',5);中的MarkerSize指的是什么?

Matlab stem(t,h,'k-','MarkerSize',5);中的MarkerSize指的是什么? matlab中stem(t,x,'k.')的'k. stem(t,b2.'.MATLAB matlab stem函数stem(k,r(68:124));stem(k,r(68:124));里面r(68: stem的用法 matlab 求MATLAB大神指点clear all;close all;t=0:0.004:1;f0=0.5;f1=32;y1=chirp(0,f0,1,f1);y2=hilbert(y1);y=y1+j*y2;c=fft(y)N=256;nbands=8;[hopt,H,G]=opt_filter(N,nbands);stem(hopt,'k');grid; h0=H(1,:); h1=H(2,:); h2=H(3,:); h3=H(4 matlab中提示The length of X must match the number of rows of Yclear all;close all;clc;k=0:6;a=[1 3 2];b=[1];h=impz(b,a,k);g=stepz(b,a,k);subplot(2,1,1);stem(k,h);grid on;title('h[k]');xlabel('k');ylabel('h');subplot(2,1,2);stem(k,g);grid on;title( matlab中提示The length of X must match the number of rows of Yclear all;close all;clc;k=0:6;a=[1 3 2];b=[1];h=impz(b,a,k);g=stepz(b,a,k);subplot(2,1,1);stem(k,h);grid on;title('h[k]');xlabel('k');ylabel('h');subplot(2,1,2);stem(k,g);grid on;title( matlab 中不同长度数组的卷积已知序列 x[k]=[1,2,0,-1,3,2;k=-2,-1,0,1,2,3], h[k]=[1,-1,1;k=0,1,2] 计算离散序列的卷积按照：x=[1,2,0,-1,3,2];h=[1,-1,1];y=conv(x,h);stem([-2:length(y)-3],y);title('y[k]');xlabel('k')可以得出 matlab问题,描述如下,function dszsu(c,a,k1,k2)%c：指数序列的幅度%a：指数序列的底数%k1：绘制序列的起始序号%k2：绘制序列的终止序号k=k1:k2;x=c*(a.^k);stem(k,x,'filled')hold onplot([k1,k2],[0,0])hold off这里的h matlab 中 stem函数怎么用? MATLAB STEM画图?请给个例子! 在MATLAB编程的时候为什么下面的程序不对?n=-5:10;t=-5:0.001:10;xn=(5/6)^n.*sin(pi/4*n);xt=(5/6)^t.*sin(pi/4*t);stem(n,xn,'k.');hold onplot(t,xt,'--');axis([-5 10 -1.1 1.1]);set(gca,'ytick',[-1 0 1]);grid on应该是指数函数与三角 matlab里没有quad8这个函数 怎么添加进去?%m53function y=m53(t)t=-10:0.1:10;ft=tripuls(t,2);subplot(3,1,1),plot(t,ft)F=fft(ft)subplot(3,1,2),stem(t,F)y=F;f=linspace(0,10,256)N=length(f);w=zeros(1,N);for k=1:Nw(k)=quad8('m53',0,f(k));endsubp stem matlab里的ode45求解二阶微分方程问题!function xp=order2(t,x)global H h z o lamda M R m r l omega N B n g k1 k2 k delta Tpsi=atan(-k*H*0.5*sin(k*o-delta*t));w=-pi*H*delta*sinh(k*(z+h))*cos(k*o-delta*t)/(T*sin(k*h))+g;u=pi*H*delta*cosh(k*(z+ MATLAB 关于stem的问题在运行>> x = 0:25; y = [exp(-.07*x).*cos(x);exp(.05*x).*cos(x)]'; h = stem(x,y); set(h(1),'MarkerFaceColor','blue') set(h(2),'MarkerFaceColor','red','Marker','square')时出现错误Attempt to execute SCRIPT stem as a fun matlab做FFT频谱分析的问题t=0:0.1:10y=exp(-t)subplot(311)stem(t,y);grid onz=fft(y)subplot(312)stem(t,abs(z)/10);hold on;x=sqrt(1+t.*t)a=1./xsubplot(312)stem(t,a)hold onsubplot(313)stem(t,angle(z))第二个图像时FFT的图像和理论值得