How can I make 3d shaped graphs?

a

Answer 1

[dpb]

help graph3d

  Three dimensional graphs.
  
  Elementary 3-D plots.
    plot3      - Plot lines and points in 3-D space.
    mesh       - 3-D mesh surface.
    surf       - 3-D colored surface.
    fill3      - Filled 3-D polygons.
   
  Color control.
    colormap   - Color look-up table.
    caxis      - Pseudocolor axis scaling.
    shading    - Color shading mode.
    hidden     - Mesh hidden line removal mode.
    brighten   - Brighten or darken colormap.
    colordef   - Set color defaults.
    graymon    - Set graphics defaults for gray-scale monitors.
    cmpermute  - Rearrange colors in colormap.
    cmunique   - Eliminate unneeded colors in colormap of indexed image.
    imapprox   - Approximate indexed image by one with fewer colors.
 
  Lighting.
    surfl      - 3-D shaded surface with lighting.
    lighting   - Lighting mode.
    material   - Material reflectance mode.
    specular   - Specular reflectance.
    diffuse    - Diffuse reflectance.
    surfnorm   - Surface normals.
 
  Transparency.
    alpha      - Transparency (alpha) mode.
    alphamap   - Transparency (alpha) look-up table.
    alim       - Transparency (alpha) scaling
 
  Axis control.
    axis       - Control axis scaling and appearance.
    zoom       - Zoom in and out on a 2-D plot.
    grid       - Grid lines.
    box        - Axis box.
    hold       - Hold current graph.
    axes       - Create axes in arbitrary positions.
    subplot    - Create axes in tiled positions.
    daspect    - Data aspect ratio.
    pbaspect   - Plot box aspect ratio.
    xlim       - X limits.
    ylim       - Y limits.
    zlim       - Z limits.
 
  Viewpoint control.
    view       - 3-D graph viewpoint specification.
    viewmtx    - View transformation matrix.
    rotate3d   - Interactively rotate view of 3-D plot.
 
  Camera control.
    campos     - Camera position.
    camtarget  - Camera target.
    camva      - Camera view angle.
    camup      - Camera up vector.
    camproj    - Camera projection.
 
  High level camera control.
    camorbit   - Orbit camera.
    campan     - Pan camera.
    camdolly   - Dolly camera.
    camzoom    - Zoom camera.
    camroll    - Roll camera.
    camlookat  - Move camera and target to view specified objects.
    cameratoolbar - Interactively manipulate camera.
 
  High level light control.
    camlight   - Creates or sets position of a light.
    lightangle - Spherical position of a light.
 
  Graph annotation.
    title      - Graph title.
    xlabel     - X-axis label.
    ylabel     - Y-axis label.
    zlabel     - Z-axis label.
    text       - Text annotation.
    gtext      - Mouse placement of text.
    plotedit   - Experimental graph editing and annotation tools.
 
  Hardcopy and printing.
    print      - Print graph or Simulink system; or save graph to MATLAB file.
    printopt   - Printer defaults.
    orient     - Set paper orientation. 
 
  See also GRAPH2D, SPECGRAPH.

Answer 2

[Star Strider]

That depends on what you want to do.

See: surf, plot3, mesh, contour3, isosurface, and others, in the Surfaces, Volumes, and Polygons documentation.