| 查看: 784 | 回复: 6 | |||
| 当前主题已经存档。 | |||
[交流]
【求助】函数图像绘制【已完成】
|
|||
|
请教各个 怎么会出如下函数的图像，函数如附件： [ Last edited by nono2009 on 2009-9-23 at 22:21 ] |
回复此楼» 猜你喜欢
澳大利亚 Murdoch University 全奖博士招生（3个名额）地质化工冶金领域
已经有60人回复
-
我的国基提前知道中了，可是同事的操作让我实在接受不了，怎么会有这样的人
已经有15人回复
-
欢迎发来filecode的Mz6后的代码验证其规律
已经有29人回复
-
关于Filecode分析方法
已经有12人回复
-
咱们一起用铁证分析2026国家社科基金中标与否
已经有11人回复
-
小木虫上这么多卖论文的，真有人买论文么？感觉没必要啊
已经有10人回复
-
阿姨
已经有4人回复
-
一作与独作在应聘高校教师时区别大吗
已经有4人回复
-
静等基金结果
已经有21人回复
-
FileCode能看出啥？
已经有28人回复
2楼2009-06-30 09:38:16
3楼2009-06-30 10:07:43
hitzhang
木虫 (正式写手)
- 仿真EPI: 1
- 应助: 0 (幼儿园)
- 贵宾: 2.15
- 金币: 1356.7
- 散金: 969
- 红花: 8
- 帖子: 863
- 在线: 226.5小时
- 虫号: 390575
- 注册: 2007-06-02
- 性别: GG
- 专业: 无机非金属类电介质与电解
4楼2009-06-30 12:35:25
hitzhang
木虫 (正式写手)
- 仿真EPI: 1
- 应助: 0 (幼儿园)
- 贵宾: 2.15
- 金币: 1356.7
- 散金: 969
- 红花: 8
- 帖子: 863
- 在线: 226.5小时
- 虫号: 390575
- 注册: 2007-06-02
- 性别: GG
- 专业: 无机非金属类电介质与电解
★ ★ ★
kuhailangyu(金币+3,VIP+0):很好，很强大，很是感谢！ 6-30 16:07
kuhailangyu(金币+3,VIP+0):很好，很强大，很是感谢！ 6-30 16:07
|
function h = ezimplot3(fun,domain,n,color) % EZIMPLOT3 Easy to use 3D implicit plotter. % EZIMPLOT3(FUN) plots the inline function FUN(X,Y,Z) = 0 over the % default domain -2*PI < X < 2*PI, -2*PI < Y < 2*PI, -2*PI < Z < 2*PI. % % EZIMPLOT3(FUN,DOMAIN)plots FUN over the specified DOMAIN instead of the % default domain. DOMAIN can be the vector [XMIN,XMAX,YMIN,YMAX,ZMIN,ZMAX] % or the vector [A,B] (to plot over A < X < B, A < Y < B, A < Z < B). % % EZIMPLOT3(...,N) plots FUN over the default domain using an N-by-N grid. % The default value for N is 60. % % Example % Plot x^3+exp(y)-cosh(z)=4 % % via a string: f='x^3+exp(y)-cosh(z)-4' % ezimplot3(f) % % via a vectorized function handle: f = @(x,y,z) x.^3+exp(y)-cosh(z)-4 % ezimplot3(f) % % Note: this function do not use the ezgraph3 standard, like ezsurf, ezmesh % ,etc, does. Because of that, ezimplot3 only tries to imitate that % interface. A future work must be to modify the ezgraph3 to include a % routine for implicit surfaces based on this file % % Inspired by works of: A.Jutan UWO 02-02-98 ajutan@julian.uwo.ca % Made by: G.Morales UC 03-20-09 gmorales@uc.edu.ve % if nargin == 1 domain = [-2*pi, 2*pi]; % default domain: -2*pi < xi < 2*pi n = 60; % default grid size elseif nargin == 2 n = 60; % just default grid end if size(domain,2) == 2 domain = repmat(domain,1,3); %domain repeated in all variables end xm = linspace(domain(1), domain(2), n); % generating the volume data ym = linspace(domain(3), domain(4), n); zm = linspace(domain(5), domain(6), n); [x,y,z] = meshgrid(xm, ym, zm); if ischar(fun) fun = inline(vectorize(fun)); % making sure string "fun" is vectorized fvalues = feval(fun,x,y,z); % evaluating "fun" in domain elseif isa(fun,'function_handle') fvalues = fun(x,y,z); % evaluating "fun" in domain fun = char(fun); fun = fun(9:end); % pre-formatting of graph title end h = patch(isosurface(x,y,z, fvalues, 0)); %"patch" handles the structure %sent by "isosurface" isonormals(x,y,z,fvalues,h) %Recalculating the isosurface normals based on %the volume data set(h,'FaceColor','red','EdgeColor','none'); xlabel('x');ylabel('y');zlabel('z');% naming the axis alpha(0.8) % adjusting for some transparency grid on view(3) axis equal camlight lighting gouraud title([strrep(char(fun),'.','') ' = 0']); % graph title without "." |
5楼2009-06-30 12:36:02
6楼2009-06-30 14:29:21
7楼2009-07-01 09:50:06
