Ad4mWayn3@sh.itjust.works to Ask Lemmy@lemmy.world · 1 month agoWhat is your favorite math constant that is NOT a real number?message-squaremessage-square38fedilinkarrow-up10arrow-down10
arrow-up10arrow-down1message-squareWhat is your favorite math constant that is NOT a real number?Ad4mWayn3@sh.itjust.works to Ask Lemmy@lemmy.world · 1 month agomessage-square38fedilink
minus-squareOnno (VK6FLAB)@lemmy.radiolinkfedilinkarrow-up0·1 month agoZero It’s the absence of a number and has all manner of interesting edge cases associated with it.
minus-squareAd4mWayn3@sh.itjust.worksOPlinkfedilinkarrow-up0·1 month agoZero is the absence of a quantity, but it is still a number.
minus-squarenovember@lemmy.vglinkfedilinkEnglisharrow-up0·30 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-up0·30 days agoAs I said … lots of edge cases :)
minus-squareAd4mWayn3@sh.itjust.worksOPlinkfedilinkarrow-up0·30 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-squareoessessnex@programming.devlinkfedilinkarrow-up0·29 days agoFor a while 1 wasn’t considered to be a number either http://aleph0.clarku.edu/~djoyce/elements/bookVII/defVII1.html
Zero
It’s the absence of a number and has all manner of interesting edge cases associated with it.
Zero is the absence of a quantity, but it is still a number.
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…
For a while 1 wasn’t considered to be a number either http://aleph0.clarku.edu/~djoyce/elements/bookVII/defVII1.html