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FuzzyGraph is the world's first fuzzy (non-binary) graphing calculator. FuzzyGraph is also free and open-source.
Conventional graphing apps show where the LEFT and RIGHT side of the equation are EXACTLY equal. By comparison, FuzzyGraph shows the error gradient of the equation. Instead of collapsing the evaluation into either TRUE or FALSE, it instead, shows the "shades of gray", choosing colors based on how near or far both sides are to being equal at every point in the visible area.
Another way to think about it is this: fuzzy graphs are graphs of approximate equations (≈).
Here is a video intro to FuzzyGraph.
Project by math artist Caleb Madrigal.
The Fuzzy Level expands or squishes the equation so that the peaks and valleys are closer together, or further apart. This has an effect on how the colors manifest.
Turns the X and Y Axes on or off
There are two parts: the data and the representation.
The Equation defines the data.
The Color Map defines which colors are used to represent which values. For example, in the rainbow color map, the lowest value maps to purple, and the highest value maps to red. If Invert Color is on, then the lowest value maps to red and the highest value maps to purple.
The same equation/data can be represented in many different ways. There is no one right representation.
Since FuzzyGraph takes the absolute value of the error, the minimum value is typically 0, and usually does not need to be changed.
Just as a bright light (like the sun) can "wash out" everything else in a photo, so also a section of really high error can wash out the rest of the mathematical topography (which hides many of the details). So it is often valuable to clamp down on the max value by setting a "Max Override".
π/2 (~1.571) = 90° rotation
Points represent resonators (centered at 0,0).