Fractional Calculus Computer Algebra System math software Home | list | math | function | calculator | handbook | help | forum | index | 中文
+ + =


A three-dimensional cardinal sine function with various colormaps. The vertical aspect ratio is increased to show the function more clearly.

Click button to open the graphic in a separate full window. The figure can be rotated by clicking and dragging with a mouse or swiping on a touch device, as well as zoomed in or out with a mouse wheel or pinching on a touch device.

The rotationally symmetric cardinal sine function used here is defined by

\[ \operatorname{sinc} r = \frac{ \sin r }{ r } \]

Examples Page