function visualiser · r² → r⁴
4D plotter
Enter four real functions of x and y. One can lift the surface; the others colour it. Drag components between height and colour, then read the discrete swatches as a key to the extra dimensions.
Functions
LaTeX inputf₁
f₂
f₃
f₄
x domain
y domain
grid resolution
20²
Representation
drag components to swap| Role | Component | On |
|---|
colour system
perceptual
Ready.
Component ranges
sampled over the current domainf₁ ∈ [—, —]
f₂ ∈ [—, —]
f₃ ∈ [—, —]
f₄ ∈ [—, —]
plot
Function surface
drag: orbit · wheel: zoom · double-click: reset
colour key
Discrete swatches
Choose the function held fixed
When three colour functions are active, each swatch varies two functions across its axes while the selected function is held at one of nine values.