Ad4mWayn3@sh.itjust.works to Ask Lemmy@lemmy.world · 4 days agoWhat is your favorite math constant that is NOT a real number?message-squaremessage-square43linkfedilinkarrow-up161arrow-down13
arrow-up158arrow-down1message-squareWhat is your favorite math constant that is NOT a real number?Ad4mWayn3@sh.itjust.works to Ask Lemmy@lemmy.world · 4 days agomessage-square43linkfedilink
minus-squarenovember@lemmy.vglinkfedilinkEnglisharrow-up5·4 days agoZero is a real number, but interestingly, it’s also a pure imaginary number. It’s the only number that’s both things at once.
minus-squareOnno (VK6FLAB)@lemmy.radiolinkfedilinkarrow-up2·4 days agoAs I said … lots of edge cases :)
minus-squareAd4mWayn3@sh.itjust.worksOPlinkfedilinkarrow-up2·4 days agoIt gets deeper. It’s also the same as the 0-k-vector, the 0-k-blade, the 0-multivector, the only number that is its own square besides 1, etc…
minus-squarenovember@lemmy.vglinkfedilinkEnglisharrow-up1·4 days agoThere are other idempotent numbers in the split-complex and q-adic (for non-prime q) numbers.
Zero is a real number, but interestingly, it’s also a pure imaginary number. It’s the only number that’s both things at once.
As I said … lots of edge cases :)
It gets deeper. It’s also the same as the 0-k-vector, the 0-k-blade, the 0-multivector, the only number that is its own square besides 1, etc…
There are other idempotent numbers in the split-complex and q-adic (for non-prime q) numbers.