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cycle decomposition algorithm&corner orientation(3cycle)

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cycle decomposition algorithm&corner orientation(3cycle) Empty cycle decomposition algorithm&corner orientation(3cycle)

Post by ynajatrice Tue Jan 22, 2008 8:41 pm

can somebody, especially those people who knows 3cycle very well, explain how will the cycle decomposition algorithm will work with cycles greater than 3?

im kinda confused

hahaha

and also

kung pano mag-orient ng corners

meron ung (R'D'RD)X2

pro pwd rin daw yung sune

naguguluhan din ako dun eh

hehehe

i hope you can help me

tnx in advance!

Smile
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Post by Zeinest815 Wed Jan 23, 2008 8:14 pm

kunwari meron kang cycle of (abcde). pag ginawa mo ung cycle na (abc) mawawala ung bc/masosolve ung bc. matitira sau ung (ade) na cycle. kung ung cycle na (bcd) naman ung sinolve mo, matitira sau ay (abe).
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Post by cmdsaved Thu Jan 24, 2008 1:21 am

may kinalaman ba yan sa commutators? parang ganun kasi ata pag kakaintindi ko sa commutators dun sa sinabi mu neil. hehe.
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Post by magicsquares Thu Jan 24, 2008 3:26 pm

Corner Orientation...

Para madali ituro do these moves to your cube:
R D R' D' R D R' D' U D R D' R' D R D' R' U'

Tignan niyo UBR corner, kailangan iflip counter-clockwise. To flip a corner counter clockwise, do D R D' R' D R D' R'. Makikita mo na yun lang ang nagalaw sa U layer. Ngayon gawin mo U' and nasa UBR naman ngayon kailangan iflip clockwise. Para sa clockwise use R D R' D' R D R' D'. Basta yun lang ang gagawin. Ilalagay lang sa U layer tapos dun ioorient by using the 2 commutators:

For clockwise:
Code:
R D R' D' R D R' D'

For counterclockwise:
Code:
D R D' R' D R D' R'

Kailangan pagkaginamit mo clockwise gagamit ka rin ng counterclockwise so orientation is in pairs... Or kung halimbawa tatlong clockwise pwede rin gamitin mo yung clockwise 3 times.

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Post by Zeinest815 Thu Jan 24, 2008 6:51 pm

cmdsaved wrote:may kinalaman ba yan sa commutators? parang ganun kasi ata pag kakaintindi ko sa commutators dun sa sinabi mu neil. hehe.

di ko alam kung related sa commutators iyan eh. pero ang pagkkaintindi ko, ang isang 3 cycle ay parang 2 na 2 cycle. so technically, pag ginawa mo ang 3 cycle na (abc), para mo ring ginawa ang (ab)(ac). iyan ata ung reason kung bakit ung 2 latter letters ung nawawala sa 3 cycle.
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Post by Zeinest815 Thu Jan 24, 2008 6:56 pm

magicsquares wrote:Corner Orientation...

Para madali ituro do these moves to your cube:
R D R' D' R D R' D' U D R D' R' D R D' R' U'

Tignan niyo UBR corner, kailangan iflip counter-clockwise. To flip a corner counter clockwise, do D R D' R' D R D' R'. Makikita mo na yun lang ang nagalaw sa U layer. Ngayon gawin mo U' and nasa UBR naman ngayon kailangan iflip clockwise. Para sa clockwise use R D R' D' R D R' D'. Basta yun lang ang gagawin. Ilalagay lang sa U layer tapos dun ioorient by using the 2 commutators:

For clockwise:
Code:
R D R' D' R D R' D'

For counterclockwise:
Code:
D R D' R' D R D' R'

Kailangan pagkaginamit mo clockwise gagamit ka rin ng counterclockwise so orientation is in pairs... Or kung halimbawa tatlong clockwise pwede rin gamitin mo yung clockwise 3 times.


try mong gawin ung Ax3, where A = (R' D' R D)x2. babalik k sa original state ng cube mo. this means pedeng mong gawin ung 3 na A's together with Us para makaorient ng 3 corners NA PAREPAREHO ANG TWIST/SUNE-LIKE . pede cgurong gamitin ung sune kaso, i rereverse mo pa ung edge-cycle na nangyari dahil sa sune
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Post by ynajatrice Sat Jan 26, 2008 4:02 pm

feeling ko mas ok kung gagamit nga ako ng mga sune-like algos to orient the corners

anong silbi ng 3-cycle kung paisa-isa yung orient ko ng corners

hehehe

mejo nakakalito lang kasi eh

tnx sa help guys!

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Post by Zeinest815 Sat Jan 26, 2008 9:53 pm

the 3-cycle/2-cycle refers to PERMUTATION. tapos since commutators gamit for orientation, laging by pairs ung pagorient. ung first half ng alg, may ginagawang effect sa isang piece (eg rotates it ccw) tapos ung next half does the reverse effect on another piece (eg your next target piece is rotated cw).

parang sa edges din, by pairs ung pagorient ayt? Very Happy
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Post by eaU^ Mon Jan 28, 2008 8:47 pm

waaaaaaaaaaaa noose bleed
hehehe
wala kong idea sa mga sinasabi neo ^^

basta kea nio yan!!
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Post by ynajatrice Tue Jan 29, 2008 1:53 pm

sorry niel

hehehe

tama, yung cycle eh para perm

yun nlng prob ko tapos memo nlng

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Post by hail-Lee Fri Feb 01, 2008 8:08 am

eaU^ wrote:waaaaaaaaaaaa noose bleed
hehehe
wala kong idea sa mga sinasabi neo ^^

basta kea nio yan!!

same here.
pero pangarap ko matuto nian Wink kelan p kea un,
hahaha
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Post by jerjero Fri Feb 01, 2008 8:14 am

explore the cube dont just rely on tutorials.. hehehehe... un lng ang maipapayo ko sa ngaun hehee..
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Post by ynajatrice Fri Feb 01, 2008 8:22 am

jerjero wrote:explore the cube dont just rely on tutorials.. hehehehe... un lng ang maipapayo ko sa ngaun hehee..

jerjero! hehehe

so far nagreresearch pa rin ako kung pano mapapadali ang buhay ko sa corner orient at sa memo method

hehehe

salamat sa payo!

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Post by magicsquares Mon Feb 04, 2008 7:23 pm

CO is in 2's or 3's. Pwede ngang gamitin yung Sune algs pero may gagawin ka pa sigurong edge perm para bumalik sa dati yung permutation.

Pagmemo numbers nalang siguro muna tapos after a while kaya mo na without numbers point point nalang..

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