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examples of Math Graphics 数学函数图 制图法

2.3. Surface 2D

Content

2D Surface

  1. color maps

    single variable with integral(x)

  2. integral(semicircle(1)) semicircle with radius 1.

    animation

    add the function timer(x) for animation
  3. integral(semicircle(timer(4))) semicircle with radius from 0 to 4.

    two variables with contour3D(x-y)

  4. contour3D( x*x+y*y-1) circle
  5. contour3D( sin(x*x+y*y-1) ) target
  6. contour3D( y-sin(x) ) sine

    two variables with plot2D(x-y)

    click the band checkbox to fill color.
  7. plot2D( x*x+y*y-1) circle
  8. plot2D( cos(x*x+y*y-t) ) target
  9. plot2D( y-sin(x) ) sine

    animation

    click the auto-t checkbox to auto change t value.
  10. plot2D( cos(x*x+y*y-t) ) water wave
    add the function timer(x) for animation
  11. plot2D( y-sin(x-timter(9)) ) sea
  12. coloring square 变色花环

    two variables with parametric3D(x,x,x-y)

    The first two parameters are the same as x or y, the last parameter is x and y
  13. parametric3D(x,x,sin(x)-y)
  14. parametric3D(y,y,sin(y)-sin(x)) sine wave

    Complex Functions in WebXR Surface 2D

    coloring complex function.

    Drawing with mathHand

    Draw shape, then fill with color.

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Reference 参阅

  • example 例题
  • graph 制图
  • graphics 制图法
  • animation 动画 
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