Experiments
Lab
Change a parameter, inspect the numbers, then connect the picture back to the mathematics.
Fourier composer
Build tones and inspect their discrete spectrum.
Aliasing explorer
Fold a source frequency around the Nyquist boundary.
Sliding convolution
Inspect each multiply–accumulate in a filter.
Position encoding matrix
Explore frequency bands across position and dimension.
STFT shape calculator
Follow framing choices into tensor shapes and data volume.