Top #math dweets

function u(t) {

c.width=1920 // clear the canvas
for(i=0;i<9;i++)
x.fillRect(400+i*100+S(t)*300,400,50,200) // draw 50x200 rects

} // 122/140

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    u(t) is called 60 times per second.
    t: Elapsed time in seconds.
    S: Shorthand for Math.sin.
    C: Shorthand for Math.cos.
    T: Shorthand for Math.tan.
    R: Function that generates rgba-strings, usage ex.: R(255, 255, 255, 0.5)
    c: A 1920x1080 canvas.
    x: A 2D context for that canvas.

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Current theme challenge: #Opposites

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taupelink

function u(t) {

t||(c.width=162,r=X=4567,s=Y=89,h=l=n=1,i=k=0)
r&&x.fillText(h+`x${X}+(${k})x${Y}=`+r,0,n++*9),q=r/s|0,[h,k,r,i,l,s]=[i,l,s,h-q*i,k-q*l,r%s]

Jul 1 2019 4:45 AM UTC

}// 140/140

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Extended Euclidean algorithm, to find h, k such that hX+kY=gcd(X,Y) #math #numbertheory

u/durian-favored-monster

i remember this in high school it was very cool! good job! this is the best text one i've seen
u/geb

EEA is so cool!

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katkip

function u(t) {

t||(a=b=1);for(i=999;i--;)a+=S(b-S(b+t/99+i/3e4)*C(a+b)+t/9),b+=C(a-C(a)*S(b)),x.fillRect(a*800-300,840+b*200,5,5),x.globalAlpha=.1

Feb 14 2019 5:15 PM UTC

}// 131/140

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Black hole and white hole #attractor #math

u/katkip

Dweet 12345
u/ds0

end of evngelion
u/katkip

bomb

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katkip

function u(t) {

eval(unescape(escape`𭁼𯀨𮠽𙰧𛁯🐱𚐬𬰽𘠯𚠴𝀴𝀴𝀫𛐥𧠦割𞱧👱🐾𮱷🐧𙰻𭱨𪑬𩐨𭰮𬱰𫁩𭁠𝁠𛡬𩑮𩱴𪀼𝐩𭰫👳𦰨𣑡𭁨𛡲𨑮𩁯𫐨𚐪𜐴𚑼𜁝𞱲𩑴𭑲𫠠𭱽𞱦𫱲𚁩🐹𞐹𞱩𛐭𞰩𮱴𬡹𮱴👠𙁻𬠽𩑶𨑬𚁱👧𚀩𚑽𘀽𘀤𮱱𯑠𞱯🐽𬠿𮠫🐨𫰫𚰬𭀫𙱜𫠧𚐺𜁽𨱡𭁣𪁻𯑽𭁨𬡯𭰠𮠠`.replace(/uD./g,'')))

Jun 2 2020 4:00 PM UTC

}// 140/140

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Sorting the four fours numbers! #waitforit #math #puzzle. This is an automatic program that will throw the list of natural numbers written as javascript expressions that eval that number! To view the code, replace eval with throw

u/katkip

example print: 1 = 44/44 2 = 4/4+4/+4 3 = 4+~44%4 4 = ~44%~4^4 5 = 44%4-~4 6 = 44/4+~4 7 = 44/4-4 8 = 4+4//-/^*4^*4 9 = 4/4+4+4
u/KilledByAPixel

nice!
u/katkip

looks like it gets stuck at 17
u/katkip

17 = 4^4*4-~4 18 = 4-~4+4-~4 19 = ~-4^~-4*4+4 20 = 4&4^4*4 21 = 4/4-~4*4
u/katkip

nvm. stuck at 22

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katkip

function u(t) {

f=(n,r)=>r?f(S(n)*(t<5?2:t/5-1),--r):S(n)
t||(z=0)
for(j=19;j--;)for(i=69;i--;)x.fillRect(z*100,540-f(z,j)*300,2,2),z+=1/1e5
throw f(z,8)

Dec 30 2019 12:14 PM UTC

}// 137/140

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a #fourier transform with increasting dimension is creating the bifurcation diagram? #waitforit #math

u/LydianLights

Whoa that's crazy

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katkip

function u(t) {

eval(unescape(escape`𨰮𭱩𩁴𪀪🐱𞱴𯁼𚁬🐰𚐻𬀽𮀽🡻𮠽𜐻𪑦𚁸🀲𚑺🐰𞱩𩠨𮀼𝀩𮠽𜐻𪑦𚁸𙐲🐽𜀦𙡸𙐳🐽𜀩𮠽𜀻𩡯𬠨𪐽𝐻𪐼𮀻𪐫🐲𚑩𩠨𮀥𪐽🐰𚑺🐰𞱲𩑴𭑲𫠠𮡽𞱸𛡦𫱮𭀽𙰸𨱭𘠧𞱸𛡦𪑬𫁔𩑸𭀨𫀬𜠰𜀬𝠰𜀩𞱬👰𚁦𬡡𫑥𚐿𩡲𨑭𩐺𫀻`.replace(/uD./g,'')))

Dec 17 2019 2:13 PM UTC

}// 128/140

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tried to make the fastest prime number checking algorithm (aks) #primes #prime #text #math

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RealPeha

function u(t) {

for(n=1n,b=(n/17n).toString(2),b="0".repeat(1802-b.length)+b,i=1664;i--;)f=i/16|0,m=i%16,1==b[17*f-1-m]&&x.fillRect(15*f,15*m,15,15)

Nov 6 2019 11:29 AM UTC

}// 132/140

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Tupper's self-referential formula - https://en.wikipedia.org/wiki/Tupper%27s_sel…

u/RealPeha

replce n=1n with n=298920113425364710945174063024706852152542710199330592361698597004398237564819274733809743286995040508625544045599914148306975349205170331327990092162622845060716316131482904783234114235259416266981897762228827573502182291952479983792930642903749180695276008523282874249556440918466966543070395845482640338651942699940654855964713871768743109413500862200207215130145998180896538482727172275023699754589752921382513770704325997420957142233003912029498853747412052251315575533767378698446922961613878858196304519318085200678495996088486352388096n
u/katkip

WOOW
u/aleamb

#math #graph #pixel
u/384.cz

#cheating

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pasghetti

function u(t) {

b=t*60*9|0
if(b>1){
z:for(d=b;d<b+9;d++){for(a=2;a*a<=d;a++)
if(d%a<1)continue z
x.fillRect(d*C(d)/8+c.width/2,d*S(d)/8+c.height/2,5,5)}}

Oct 13 2019 7:47 PM UTC

}// 137/140

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3blue1brown prime spiral pattern

u/metamero

i was just waiting for this dweet since i saw this video =]
u/joeytwiddle

#3b1b #prime #math

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katkip

remix of d/16060 by u/katkip

function u(t) {

t||(q=0)
p=(r,θ)=>x.fillRect(960+C(-θ)*r,540+S(-θ)*r,3,3)
for(i=99;i--;)p(b=S(q)*200-200+C(q)*200/t,q),p(q,S(b)+3.9),q+=T(q/999)/99+1/9

Oct 13 2019 12:00 PM UTC

}// 135/140

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#math #art using polar coordinates

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taupelink

remix of d/14804 by u/taupelink

function u(t) {

f=X=>{for(i=2;i*i<=X;i++)if(X%i==0)return i+'*'+f(X/i);return X};frame%30||(c.width=200,q=f(k=Math.random()*1e9|0),x.fillText(k+'='+q,5,60))

Aug 11 2019 12:34 AM UTC

}// 140/140

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Factorization of a random integer into #prime products

u/aleamb

awesome! #math #numbers #primes

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taupelink

function u(t) {

c.width=500;p=37;a=2+t|0;for(n=0,m=a;++n<=p;)x.fillStyle=R((n-1)%(p-1)?0:255),x.fillText(n,270+(k=40+n)*C(z=m*6.28/p),140-k*S(z)),m*=a,m%=p

Jul 1 2019 1:21 AM UTC

}// 139/140

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Demonstration of Fermat's little theorem. Powers of 2, 3, 4..., modulo 37, arranged around a circle broken up into 37 equal arcs. #math #numbertheory https://en.wikipedia.org/wiki/Fermat%27s_lit…

u/donbright

p is 37?
u/taupelink

Yep, I picked an arbitrary prime number for demonstration purposes
u/donbright

awesp,e

dwitter.net | #math