z=(u^2)v,u=e^t,v=cost,求dz/dt

z=(u^2)v,u=e^t,v=cost,求dz/dt 求（MATLAB）圆锥面x=u*sin(v) y=u*cos(v) z=u z=uv+sin(t) u=e^t v=cost 求全导数dz/dt 设z=u^v,u=e^x,v=根号下(x^2+1),求dz/dx 设Z=e^u-2v,而u=sinx,v=x^3,求dz/dx, y=sin(u-v)-cos(u+v) 求dy 用u,v,du,dv表示 设z=arctan(x/y) x=u+v y=u-v 验证δz/δu+δz/δv=(u-v)/(u^2+v^2) 关于matlab中球面与柱面相交图形的作法请问程序为什么这么写?t=0:0.1:pi;r=0:0.1:2*pi;[r,t]=meshgrid(r,t);x=2*sin(t).*cos(r);y=2*sin(t).*sin(r);z=2*cos(t);u=-pi/2:0.1:pi/2;v=-3:0.1:3;[u,v]=meshgrid(u,v);x1=2*cos(u).^2;y1=sin(2*u); 设X=e∧u · cos v,Y=e∧u·sin v,z = uv .求аz／аx,аz／аy. solidworks中的方程驱动曲线应用：x(v,u)=a*v*cos(u)sin(v);y(v,u)=b*sin(v)cos(u）;z(v,u)=c*sin(sinv)*u这个方程里有两个未知数,v,u,画出的是蝴蝶曲线,只用solidworks画,不好意思,我把方程的第三个写错了,应该是 z=e^(u-2v),u=sinx,v=y^2,分别求z对x,y的偏导数 matlab 旋转function mobius_bandclear all; close all%option menuOPT.color = hsv;for a=0:112; for b=0:60; u=a/2; w=b/2; v=w/50-0.3; X(a+1,b+1)=cos(u)+v*cos(u/2)*cos(u); Y(a+1,b+1)=sin(u)+v*cos(u/2)*sin(u); Z(a+1,b+1)=v*sin(u/2); end endsurf(X,Y,Z) vi matlab 旋转clear all; close all%option menuOPT.color = hsv;for a=0:112; for b=0:60; u=a/2; w=b/2; v=w/50-0.3; X(a+1,b+1)=cos(u)+v*cos(u/2)*cos(u); Y(a+1,b+1)=sin(u)+v*cos(u/2)*sin(u); Z(a+1,b+1)=v*sin(u/2); end endsurf(X,Y,Z) view(45,45) shading in 设z=√(u²+v²),u=sinx,v=e^x,求dz/dx. 4道“大学多元函数微积分”试题!1.求倒数或偏导数.设x=e^u+usinv,y=e^u-ucosv,求(偏u/偏x),(偏u/偏y),(偏v/偏x),(偏v/偏y)[e^u代表e的u次方,下同]2.求曲线x=t/(1+t),y=(t+1)/t,z=t^2在对应于t=1的点的切线及法平 Z=u^2㏑v,其中u=y/x,v=e(x^3y),则dz=?（x^3y是e幂次方） 证明题求解 ?已知z-y^2=u^4,z+y^2=v^4,v>u>0,u和v都是整数,(u,v)=1,2不整除uv,求证z>v z=f(u,v)=u^2-v^2,u=x+y,v=xy.求z对x的偏导.