乌木 发表于 2006-4-4 19:45:21

<P>29楼的图与17楼的图c、d块编法不同,故29楼说的</P>
<P><FONT color=#0000ff>“式5<br>b→d→c→b,同时 b +90°,d +90°,c +180°。”</FONT>应改为</P>
<P><FONT color=#ee1111>“式5<br>b→c→d→b,同时 b +90°,c +90°,d +180°。”</FONT></P>
<P>29楼的</P>
<P><FONT color=#0000ff>“式6<br>b→d→c→b,同时 b -90°,d -90°,c +180°。”</FONT>应改为</P>
<P><FONT color=#ee1111>“式6<br>b→c→d→b,同时 b -90°,c -90°,d +180°。”</FONT></P>
<P>此外,29楼的</P>
<P><FONT color=#0000ff>“式7<br>3→7→8→3,同时 3 +120°,2 +120°,8 +120°,块1就地+120°。”</FONT>应为</P>
<P><FONT color=#ee1111>“式7<br>3→7→6→3,同时 3 +120°,7 +120°,6 +120°,块1就地+120°。”</FONT><br><br></P><br>29楼其余内容没问题,各位魔友若发现有什么问题,请跟帖指出。
[此贴子已经被作者于2006-4-4 19:48:11编辑过]

jinyou 发表于 2006-4-4 20:17:11

<P><BR>画了幅图,还请乌木把完整文字公式贴出吧。青年农民写过一份方形的图解,还没有机会比较,不知道乌木研究过吗?</P>

大烟头 发表于 2006-4-4 23:05:18

<P align=center><FONT color=#0909f7 size=6>四轴六面体的解法</FONT></P>
<P><FONT color=#0909f7 size=3>符号说明:</FONT></P>
<P><FONT color=#0909f7 size=3>y:表示魔方整体水平顺转90度。<FONT color=#000000> </FONT></FONT></P>
<P><FONT color=#0909f7 size=3>y' :表示魔方整体水平逆转180度。<FONT color=#000000> </FONT></FONT></P>
<P><FONT color=#0909f7 size=3>y2:表示魔方整体水平转180度。</FONT> </P>
<P><a href="http://bbs.mf8-china.com/data/attachment/forum/dvbbs/2005-4/2005416201919432.jpg" target="_blank" ><IMG src="http://bbs.mf8-china.com/data/attachment/forum/dvbbs/2005-4/2005416201919432.jpg" border=0></A>  <a href="http://bbs.mf8-china.com/data/attachment/forum/dvbbs/2005-4/200541620196573.jpg" target="_blank" ><IMG src="http://bbs.mf8-china.com/data/attachment/forum/dvbbs/2005-4/200541620196573.jpg" border=0></A> <a href="http://bbs.mf8-china.com/data/attachment/forum/dvbbs/2005-4/200541620224663.jpg" target="_blank" ><IMG src="http://bbs.mf8-china.com/data/attachment/forum/dvbbs/2005-4/200541620224663.jpg" border=0></A>  <a href="http://bbs.mf8-china.com/data/attachment/forum/dvbbs/2005-4/200541620185074.jpg" target="_blank" ><IMG src="http://bbs.mf8-china.com/data/attachment/forum/dvbbs/2005-4/200541620185074.jpg" border=0></A></P>
<P><FONT color=#0909f7 size=3></FONT></P>
<P><FONT color=#0909f7 size=3>对于Skewb魔方我的解法步骤:</FONT></P>
<P><FONT color=#0909f7 size=3>1.选中一个四角块并把它旁边的四个三角块转出来,这一步较简单。</FONT></P>
<P><FONT color=#0909f7 size=3>2.把魔方倒置,选中的四角块放在底面,调另外的四个三角块。</FONT></P>
<P><FONT color=#0909f7 size=3>公式:(R L' R' L )  <a href="http://bbs.mf8-china.com/data/attachment/forum/dvbbs/2005-4/2005416202241820.jpg" target="_blank" ><IMG src="http://bbs.mf8-china.com/data/attachment/forum/dvbbs/2005-4/2005416202241820.jpg" border=0></A></FONT></P>
<P><FONT color=#0000ff size=3>第2步还有一个补充公式:( <FONT color=#0909f7>y:表示魔方整体水平转90度)</FONT></FONT></P>
<P><FONT color=#0000ff size=3>公式:(R L' R' L )y (R L' R' L ) y '  <a href="http://bbs.mf8-china.com/data/attachment/forum/dvbbs/2005-4/2005416205416186.jpg" target="_blank" ><IMG src="http://bbs.mf8-china.com/data/attachment/forum/dvbbs/2005-4/2005416205416186.jpg" border=0></A></FONT></P>
<P><FONT color=#0909f7 size=3>3.调顶上的四角块。</FONT></P>
<P><FONT color=#0909f7 size=3>公式:(R L' R' L )y2 (R L' R' L) y2   <a href="http://bbs.mf8-china.com/data/attachment/forum/dvbbs/2005-4/200541620231871.jpg" target="_blank" ><IMG src="http://bbs.mf8-china.com/data/attachment/forum/dvbbs/2005-4/200541620231871.jpg" border=0></A></FONT></P>
<P><FONT color=#0909f7 size=3>4.调侧面的四角块(与第3步一样的公式)。</FONT></P>
<P><FONT color=#0909f7 size=3>5.附:如是四角块含有色向变化的其它四轴类魔方时,还要这两个公式来补充一下:</FONT></P>
<P><FONT color=#0909f7 size=3>相邻的两个四角块转180度:(R L' R' L )y2 (R L' R' L)×2  y2 (R L' R' L)</FONT></P><FONT color=#0909f7 size=3>
<P><FONT color=#0909f7 size=3>相对的两个四角块转180度: (R L' R' L)×2  y2 (R L' R' L)×2  y2  </FONT></P></FONT>
<P><FONT color=#0000ff size=3>(注意:这此公式运行时,底面正方形中块不动!)</FONT></P>
<P><FONT color=#0000ff size=3>如设A=(R L' R' L),用它来记这些公式,那就很容易学会的。</FONT><FONT color=#0000ff size=3></FONT></P>
<P align=center><FONT face=隶书 color=#ff0000 size=6>祝你成功!</FONT></P>

大烟头 发表于 2006-4-4 23:11:39

<P>楼上解法是我研究四轴类魔方时研究出来的,如有雷同,定是必然!</P>
<P>玩魔方了解魔方的结构是很有必要的,如果你知道这些魔方是同一结构,那你只要掌握其中一种魔方的解法,对其它魔方的复原就一通百通了。</P>
<P>如图,这些都是四轴类的魔方,看我所标的记号,应该就会明白这些魔方的共同点了。</P>
<P><BR><BR><IMG src="http://bbs.mf8-china.com/skins/default/filetype/jpg.gif" border=0>此主题相关图片如下:<BR><a href="http://bbs.mf8-china.com/data/attachment/forum/dvbbs/2006-4/2006442234460553.jpg" target="_blank" ><IMG src="http://bbs.mf8-china.com/data/attachment/forum/dvbbs/2006-4/2006442234460553.jpg" border=0></A></P>
<P>相关链接:四轴类魔方Skewb一族 <a href="http://bbs.mf8-china.com/dispbbs.asp?boardid=5&amp;replyid=2150&amp;id=2150&amp;page=1&amp;skin=0&amp;Star=1" target="_blank" >http://bbs.mf8-china.com/dispbbs.asp?boardid=5&amp;replyid=2150&amp;id=2150&amp;page=1&amp;skin=0&amp;Star=1</A></P>

jinyou 发表于 2006-4-5 09:21:22

请问大烟头,skewb cube和DISNEY球,或skewb家族的别的东西,哪种先发明,以及发展的次序?

乌木 发表于 2006-4-5 15:12:47

<P>看看,31楼要贴出的是这样吗:</P>
<P><br><br>四轴球共有6个四边形块和8个三角形块。四边形块的位置用a-f编号(编号e、f位置在反面未画出),三角形块的位置用1-8编号。复原过程中各位置上具体的块是随着旋转操作而变的。8个半球图请看上图。</P>
<P>四轴球每步转120°,一个半球号表示顺时针转120°(一律指从球外看入球内),一个半球号加“ '”指逆时针转120°。下面7个公式要对照1楼等的图看。</P>
<P>式1<br>7 +120°,3 -120°。<br>操作:3 1' 3 1 3' 1 3'  6' 1 6' 1' 6 1' 6</P>
<P>式2<br>3和1 +120°,8和6 -120°。<br>操作:3 1' 3 1'  3' 1 3' 1</P>
<P>式3<br>c和d都180°。<br>操作:2' 4 6 8' 6' 8 2 6  4' 2' 8 2 8' 6'</P>
<P>式4<br>b和d都180°。<br>操作:6 8 4 2' 8' 6 8  6' 4' 8' 2 4 6' 4'</P>
<P>式5<br>b→c→d→b,同时 b +90°,c +90°,d +180°。<br>操作:(6 2' 4' 8)  (6 2' 4' 8)</P>
<P>式6<br>b→c→d→b,同时 b -90°,c -90°,d +180°。<br>操作:(1' 5 7 3')  (1' 5 7 3')</P>
<P>式7<br>3→7→6→3,同时 3 +120°,7 +120°,6 +120°,块1就地+120°。<br>操作:8 1' 8 3 6' 1' 8 3 6' 8' 1</P><br><br><br><br>
[此贴子已经被作者于2006-4-5 15:16:20编辑过]

jinyou 发表于 2006-4-5 15:23:06

<br>做成mht(图和网页在一个文件中)文件的解法。
[此贴子已经被作者于2006-4-5 15:30:50编辑过]

大烟头 发表于 2006-4-5 17:11:35

<TABLE  cellSpacing=0 cellPadding=2>

<TR>
<TD>
<TABLE  cellSpacing=0 cellPadding=2>

<TR>
<TD>Patent Number:</TD>
<TD class=patentNumber><a href="http://patft.uspto.gov/netacgi/nph-Parser?patentnumber=5358247" target="_blank" ><FONT color=#000000>US5358247</FONT></A> </TD></TR>
<TR>
<TD>Popular Name: </TD>
<TD>Puzzle Ball</TD></TR>
<TR>
<TD>Inventor(s): </TD>
<TD>Uwe Meffert</TD></TR>
<TR>
<TD>Date Issued: </TD>
<TD>October 25, 1994</TD></TR></TABLE></TD>
<TD>The Puzzle Ball - a spherical Skewb. A four-armed spider with triangular tips, four more floating triangular "faces", and six floating square "faces". </TD>
<TD><a href="http://patft.uspto.gov/netacgi/nph-Parser?patentnumber=5358247" target="_blank" ><IMG src="http://www.calormen.com/TwistyPuzzles/Images/US5358247.gif"><FONT color=#000000> </FONT></A></TD></TR></TABLE>
<TABLE  cellSpacing=0 cellPadding=2>

<TR>
<TD>
<TABLE  cellSpacing=0 cellPadding=2>

<TR>
<TD>Patent Number:</TD>
<TD class=patentNumber><a href="http://v3.espacenet.com/textdoc?IDX=GB2084471" target="_blank" ><FONT color=#000000>GB2084471</FONT></A> </TD></TR>
<TR>
<TD>Popular Name: </TD>
<TD>Rubik's Octahedron</TD></TR>
<TR>
<TD>Inventor(s): </TD>
<TD>Ern&ouml; Rubik</TD></TR>
<TR>
<TD>Date Issued: </TD>
<TD>April 15, 1982</TD></TR></TABLE></TD>
<TD>An order-2 face-centered octahedron based on a Pyraminx-like central sphere. The face-centers are affixed to the sphere and the vertices float around. </TD>
<TD><a href="http://v3.espacenet.com/textdoc?IDX=GB2084471" target="_blank" ><IMG src="http://www.calormen.com/TwistyPuzzles/Images/GB2084471.gif"><FONT color=#000000> </FONT></A></TD></TR></TABLE>
<TABLE  cellSpacing=0 cellPadding=2>

<TR>
<TD>
<TABLE  cellSpacing=0 cellPadding=2>
<COLGROUP>
<COL style="WIDTH: 100px">
<COL style="WIDTH: 100px"></COLGROUP>

<TR>
<TD>Patent Number:</TD>
<TD class=patentNumber><a href="http://patft.uspto.gov/netacgi/nph-Parser?patentnumber=4453715" target="_blank" ><FONT color=#000000>US4453715</FONT></A> </TD></TR>
<TR>
<TD>Popular Name: </TD>
<TD>Halpern-Meier Pyramid</TD></TR>
<TR>
<TD>Inventor(s): </TD>
<TD>Benjamin R. Halpern</TD></TR>
<TR>
<TD>Date Issued: </TD>
<TD>June 12, 1984</TD></TR></TABLE></TD>
<TD>The Halpern-Meier Pyramid. The edges and tips project feet into the center of the tetrahedron which combine to form a sphere. The face-centers connect in the center of the sphere and hold everything together. Also includes a Megaminx variant and a truncated tetrahedron with face centers, corners and edges, and a suggestion for what will later be known as "bandaging". </TD>
<TD><a href="http://patft.uspto.gov/netacgi/nph-Parser?patentnumber=4453715" target="_blank" ><IMG src="http://www.calormen.com/TwistyPuzzles/Images/US4453715.gif"><FONT color=#000000> </FONT></A></TD></TR></TABLE>

gaotututu 发表于 2006-4-12 21:59:06

hez0710 发表于 2006-7-17 17:03:04

真复杂
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