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Dan Piponi · 6d
Bicomplex numbers in the wild ℂ⊗ℂ Complex numbers are sometimes very convenient as a coordinate for 2D fluid dynamics. Complex numbers are also useful for reasoning about oscillatory perturbati...
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Stephen Brooks 🦆 @Stephen Brooks 🦆
@nprofile1q... When I first saw ℂ⊗ℂ I thought "well, it's a decimal expansion N -> 10" and then "this tensor product must be something like N^2 -> 10 i.e. a two-dimensional decimal expansion". I think that wasn't the operation you intended though. 😆
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Dan Piponi · 6d
nostr:nprofile1qy2hwumn8ghj7un9d3shjtnyd968gmewwp6kyqpq3t0vxvx8llrdglujal9hh93mtnl7wac0mxqd7xtdyryc4per8q4qpfpm95 That sort of makes sense though. When you multiply two decimal expansions you can form a rectangle that you then sum along the diagonals, with carry, and some caveats about you handle 3 ...