目录 柱面正螺旋面椭圆抛物面 柱面
柱面 : r ( u , v ) ( f ( u ) , g ( u ) , v ) \mathbf{r} ( u, v) ( f( u) , g( u) , v) r(u,v)(f(u),g(u),v) ;
解:由 r u ( f ′ ( u ) , g ′ ( u ) , 0 ) , r v ( 0 , 0 , 1 ) , \mathbf{r}_u(f(u),g(u),0),\:\mathb…
创建凭证(gitee/github/gitlab(用户名密码)) 如果密码错误自动构建会报错:
Started by user admin
Running as SYSTEM
Building in workspace /var/jenkins_home/workspace/docs
[WS-CLEANUP] Deleting project workspace...
[WS-CLEANUP] D…