Linear superposition lets separate vibrations coexist independently while interfering in shared space

Evidence

This principle—that the sum of the solutions is the same as the solution of the sum of the sine waves— is called superposition and is a powerful aspect of the Fourier approach. — David Howard, Jamie Angus, coustics and Psychoacoustics, 439 (#expands, via linked claim)

Categorization

  • XREF: connects to: Adjacent opposite-phase regions on a vibrating surface cancel their radiated sound; Combining modes with incommensurate frequencies yields ever-changing, nonperiodic motion; Two vibrations with an irrational frequency ratio never exactly repeat their combined pattern (+5 more)

Broader Connections