rho=linspace(0,1,100); theta=linspace(0,2*pi,100); x=rho'*cos(theta); y=rho'*sin(theta) 为什么要加转置符号?

rho=linspace(0,1,100); theta=linspace(0,2*pi,100); x=rho'*cos(theta); y=rho'*sin(theta) 为什么要加转置符号? matlab set找错谁能告诉我下面的代码为什么最后一句出错h1=figure;x=[0 1 1 0 0];y=[0 0 1 1 0];fill(x,y,'y')axis([-1 2 -1 2])h2=figure;theta=linspace(0,2*pi);rho=sin(2*theta).*cos(2*theta);polar(theta,rho,'r')set(h2,'linewidth',3) 错 u[i][j][0]/=rho什么意思 matlab linspace,为什么我输入linspace(0,1,5.5)和linspace(0,1,5)输出结果一样? 下面这个程序错误 急x=linspace(0,400,5);y=linspace(0,100,3);z2=linspace(-1.5,1.5,7);z3=linspace(-1.5,1.5,7);z4=linspace(-1.5,1.5,7);x=atan((z4+z3-z2)/(z2+z3-z4));y=asin(sqrt(((z3).^2+(z4-z2).^2)./2));z2=17/50*((z3).^2-(z4-z2).^2)+z3-z4;>> plo matlab编程问题z(find(z>0))=nan作何解释a1=-0.05;%微凸体1的参数y=a*x^2+b*y^2+cb1=-0.2;c1=5;x=linspace(-sqrt(abs(c1/a1)),sqrt(abs(c1/a1)),100);y=linspace(-sqrt(abs(c1/b1)),sqrt(abs(c1/b1)),100);[x,y]=meshgrid(linspace(-sqrt(abs(c1/a1)),sqr matlab的rotate语句出错,figure(2)colormap('flag');n=100;x=linspace(-3,3,n);y=linspace(-3,3,n);z=linspace(-3,3,n);[X,Y,Z]=ndgrid(x,y,z);F=(X.^2+(9/4) .* (Y.^2)+Z.^2-1).^3-X.^2 .* Z.^3-(1/9) .* Y.^2 .* Z.^3isosurface(F,0)axis equalview([55 34]);tit x=linspace(0,2*pi)在matlab中是什么意思 MATLAB中,x=linspace(0,2*pi, matlab surf用法xgrid=linspace(0,100,10000);ygrid=linspace(0,100,10000);[x,y]=meshgrid(xgrid,ygrid);z=(3236*x.^2*y+1109*x.^2+5416*x*y.^2+6616*x*y+1445*x+2199*y.^2+1990*y+318)./[1000*(2*x+1)*(2*y+1)*(x+y+1)];surf(x,y,z); 为什么matlab中图像上数据和自己算的值不一样a=linspace(0.3078,1,100);b=linspace(0.1344,0.3352,100);[y1,y2]=meshgrid(a,b);z2s=150271/945+10255097/3780*y2-118384069/75600*y2*y1;mesh(y1,y2,z2s);xlabel('y1-axis'),ylabel('y2-axis');当y1=0 创建z=exp(x+i*y)在x=linspace(-1,1,100)；y=linspace(-2*pi,2*pi,100);内的三维网图,表面图,等高线图 MATLAB:底下set中的h是什么意思?x = linspace(-150,150,100);h=ezplot('x-(88+38*(y1-1)+5*(y1-1).^2)./(22-9*(y1-1)+(y1-1).^2)');axis([0 10 0 1.2])set(h,'Color','red') 求问y=2.16*x/(1+1.16*x),matlab的编程怎么写为什么代码这样子写：clear allclcx=linspace(0,1,100);y=2.16*x4/(1+1.16*x);ezplot(x1,y);不对啊 求教matlab 3d网格坐标变换我已经写好一个程序：x=0:1:4;y=0:1:6;z=[100 99 99 99 100100 99 144 100 99101 99 99 98 97 100 101 99 98 9799 98 98 100 100 99 99 98 98 97100 100 98 97 99];xi=linspace(0,4,30);yi=linspace(0,6,40);[xxi,yyi]=mesh 请对下面程序的每一行注释第一个 Fs=5120;dt=1.0/Fs; N=1024T=dt*N;;t=linspace(0,T,N);y=sin(2*3.14*100*t)+ 1/3*sin(3*2*3.14*100*t);plot(t,y);figure;P=fft(y,N);Pyy =2*sqrt(P.* conj(P))/N;f=linspace(0,Fs/2,N/2);plot(f,Pyy(1:N/2));第二个Fs matlab做傅立叶变换用MATLAB做傅立叶变换,频谱图像不正确 T=4;N=400;t=linspace(-T/2,T/2-T/N,N)';x=sin(pi*t)./(pi*t);h=cos(100*pi*t);y=x+h;z=y+0.5*y.^2;OMG=16*pi;K=200;omg=linspace(-OMG/2,OMG/2-T/N,K)';Z=0*OMG;for k=1:KZ(k)=0 Matlab计算Index exceeds matrix dimensions.为什么?[w,y]=meshgrid(linspace(0,1),linspace(20,100));h=25;Ta=37;Q=420;p=1000;c=4200;wb=0.0005;k=0.5;Tf=35;Tc=37;L=0.071;phi=0.1;y=16.7*h*(k*(wb*p*c/k)^0.5*coth(L*(wb*p*c/k)^0.5)+h+0.256*(3.054+16.7*h*w)