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How to get all combinations from this matrix?

조회 수: 1(최근 30일)
Robu Robert
Robu Robert 2021년 4월 21일
답변: Bruno Luong 2021년 4월 24일
Hello, everyone! Can someone help me with this? I want to use allcomb function for any matrix, any ideas how can I do this besides writing down every line of the vector?
ch=['MRWI'
'IDMZ'
'CGBI'
'JKNO']
v=[];
[x,y]=size(ch);
allcomb(ch(1,:),ch(2,:),ch(3,:),ch(4,:))
  댓글 수: 2
Robu Robert
Robu Robert 2021년 4월 21일
The output should be all possible combinations between letters of the rows, taken 1 from each row. I pasted down the correct output. My question is how to generalize allcomb(ch(1,:),ch(2,:),ch(3,:),ch(4,:)) to work for every input matrix.
'MICJ'
'MICK'
'MICN'
'MICO'
'MIGJ'
'MIGK'
'MIGN'
'MIGO'
'MIBJ'
'MIBK'
'MIBN'
'MIBO'
'MIIJ'
'MIIK'
'MIIN'
'MIIO'
'MDCJ'
'MDCK'
'MDCN'
'MDCO'
'MDGJ'
'MDGK'
'MDGN'
'MDGO'
'MDBJ'
'MDBK'
'MDBN'
'MDBO'
'MDIJ'
'MDIK'
'MDIN'
'MDIO'
'MMCJ'
'MMCK'
'MMCN'
'MMCO'
'MMGJ'
'MMGK'
'MMGN'
'MMGO'
'MMBJ'
'MMBK'
'MMBN'
'MMBO'
'MMIJ'
'MMIK'
'MMIN'
'MMIO'
'MZCJ'
'MZCK'
'MZCN'
'MZCO'
'MZGJ'
'MZGK'
'MZGN'
'MZGO'
'MZBJ'
'MZBK'
'MZBN'
'MZBO'
'MZIJ'
'MZIK'
'MZIN'
'MZIO'
'RICJ'
'RICK'
'RICN'
'RICO'
'RIGJ'
'RIGK'
'RIGN'
'RIGO'
'RIBJ'
'RIBK'
'RIBN'
'RIBO'
'RIIJ'
'RIIK'
'RIIN'
'RIIO'
'RDCJ'
'RDCK'
'RDCN'
'RDCO'
'RDGJ'
'RDGK'
'RDGN'
'RDGO'
'RDBJ'
'RDBK'
'RDBN'
'RDBO'
'RDIJ'
'RDIK'
'RDIN'
'RDIO'
'RMCJ'
'RMCK'
'RMCN'
'RMCO'
'RMGJ'
'RMGK'
'RMGN'
'RMGO'
'RMBJ'
'RMBK'
'RMBN'
'RMBO'
'RMIJ'
'RMIK'
'RMIN'
'RMIO'
'RZCJ'
'RZCK'
'RZCN'
'RZCO'
'RZGJ'
'RZGK'
'RZGN'
'RZGO'
'RZBJ'
'RZBK'
'RZBN'
'RZBO'
'RZIJ'
'RZIK'
'RZIN'
'RZIO'
'WICJ'
'WICK'
'WICN'
'WICO'
'WIGJ'
'WIGK'
'WIGN'
'WIGO'
'WIBJ'
'WIBK'
'WIBN'
'WIBO'
'WIIJ'
'WIIK'
'WIIN'
'WIIO'
'WDCJ'
'WDCK'
'WDCN'
'WDCO'
'WDGJ'
'WDGK'
'WDGN'
'WDGO'
'WDBJ'
'WDBK'
'WDBN'
'WDBO'
'WDIJ'
'WDIK'
'WDIN'
'WDIO'
'WMCJ'
'WMCK'
'WMCN'
'WMCO'
'WMGJ'
'WMGK'
'WMGN'
'WMGO'
'WMBJ'
'WMBK'
'WMBN'
'WMBO'
'WMIJ'
'WMIK'
'WMIN'
'WMIO'
'WZCJ'
'WZCK'
'WZCN'
'WZCO'
'WZGJ'
'WZGK'
'WZGN'
'WZGO'
'WZBJ'
'WZBK'
'WZBN'
'WZBO'
'WZIJ'
'WZIK'
'WZIN'
'WZIO'
'IICJ'
'IICK'
'IICN'
'IICO'
'IIGJ'
'IIGK'
'IIGN'
'IIGO'
'IIBJ'
'IIBK'
'IIBN'
'IIBO'
'IIIJ'
'IIIK'
'IIIN'
'IIIO'
'IDCJ'
'IDCK'
'IDCN'
'IDCO'
'IDGJ'
'IDGK'
'IDGN'
'IDGO'
'IDBJ'
'IDBK'
'IDBN'
'IDBO'
'IDIJ'
'IDIK'
'IDIN'
'IDIO'
'IMCJ'
'IMCK'
'IMCN'
'IMCO'
'IMGJ'
'IMGK'
'IMGN'
'IMGO'
'IMBJ'
'IMBK'
'IMBN'
'IMBO'
'IMIJ'
'IMIK'
'IMIN'
'IMIO'
'IZCJ'
'IZCK'
'IZCN'
'IZCO'
'IZGJ'
'IZGK'
'IZGN'
'IZGO'
'IZBJ'
'IZBK'
'IZBN'
'IZBO'
'IZIJ'
'IZIK'
'IZIN'
'IZIO'

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채택된 답변

Bruno Luong
Bruno Luong 2021년 4월 24일
ch=['MRWI'
'IDMZ'
'CGBI'
'JKNO'];
c=num2cell(ch,2);
[c{:}]=ndgrid(c{:});
n=size(c,1);
c = reshape(cat(n+1,c{:}),[],n)
c = 256×4 char array
'MICJ' 'RICJ' 'WICJ' 'IICJ' 'MDCJ' 'RDCJ' 'WDCJ' 'IDCJ' 'MMCJ' 'RMCJ' 'WMCJ' 'IMCJ' 'MZCJ' 'RZCJ' 'WZCJ' 'IZCJ' 'MIGJ' 'RIGJ' 'WIGJ' 'IIGJ' 'MDGJ' 'RDGJ' 'WDGJ' 'IDGJ' 'MMGJ' 'RMGJ' 'WMGJ' 'IMGJ' 'MZGJ' 'RZGJ' 'WZGJ' 'IZGJ' 'MIBJ' 'RIBJ' 'WIBJ' 'IIBJ' 'MDBJ' 'RDBJ' 'WDBJ' 'IDBJ' 'MMBJ' 'RMBJ' 'WMBJ' 'IMBJ' 'MZBJ' 'RZBJ' 'WZBJ' 'IZBJ' 'MIIJ' 'RIIJ' 'WIIJ' 'IIIJ' 'MDIJ' 'RDIJ' 'WDIJ' 'IDIJ' 'MMIJ' 'RMIJ' 'WMIJ' 'IMIJ' 'MZIJ' 'RZIJ' 'WZIJ' 'IZIJ' 'MICK' 'RICK' 'WICK' 'IICK' 'MDCK' 'RDCK' 'WDCK' 'IDCK' 'MMCK' 'RMCK' 'WMCK' 'IMCK' 'MZCK' 'RZCK' 'WZCK' 'IZCK' 'MIGK' 'RIGK' 'WIGK' 'IIGK' 'MDGK' 'RDGK' 'WDGK' 'IDGK' 'MMGK' 'RMGK' 'WMGK' 'IMGK' 'MZGK' 'RZGK' 'WZGK' 'IZGK' 'MIBK' 'RIBK' 'WIBK' 'IIBK' 'MDBK' 'RDBK' 'WDBK' 'IDBK' 'MMBK' 'RMBK' 'WMBK' 'IMBK' 'MZBK' 'RZBK' 'WZBK' 'IZBK' 'MIIK' 'RIIK' 'WIIK' 'IIIK' 'MDIK' 'RDIK' 'WDIK' 'IDIK' 'MMIK' 'RMIK' 'WMIK' 'IMIK' 'MZIK' 'RZIK' 'WZIK' 'IZIK' 'MICN' 'RICN' 'WICN' 'IICN' 'MDCN' 'RDCN' 'WDCN' 'IDCN' 'MMCN' 'RMCN' 'WMCN' 'IMCN' 'MZCN' 'RZCN' 'WZCN' 'IZCN' 'MIGN' 'RIGN' 'WIGN' 'IIGN' 'MDGN' 'RDGN' 'WDGN' 'IDGN' 'MMGN' 'RMGN' 'WMGN' 'IMGN' 'MZGN' 'RZGN' 'WZGN' 'IZGN' 'MIBN' 'RIBN' 'WIBN' 'IIBN' 'MDBN' 'RDBN' 'WDBN' 'IDBN' 'MMBN' 'RMBN' 'WMBN' 'IMBN' 'MZBN' 'RZBN' 'WZBN' 'IZBN' 'MIIN' 'RIIN' 'WIIN' 'IIIN' 'MDIN' 'RDIN' 'WDIN' 'IDIN' 'MMIN' 'RMIN' 'WMIN' 'IMIN' 'MZIN' 'RZIN' 'WZIN' 'IZIN' 'MICO' 'RICO' 'WICO' 'IICO' 'MDCO' 'RDCO' 'WDCO' 'IDCO' 'MMCO' 'RMCO' 'WMCO' 'IMCO' 'MZCO' 'RZCO' 'WZCO' 'IZCO' 'MIGO' 'RIGO' 'WIGO' 'IIGO' 'MDGO' 'RDGO' 'WDGO' 'IDGO' 'MMGO' 'RMGO' 'WMGO' 'IMGO' 'MZGO' 'RZGO' 'WZGO' 'IZGO' 'MIBO' 'RIBO' 'WIBO' 'IIBO' 'MDBO' 'RDBO' 'WDBO' 'IDBO' 'MMBO' 'RMBO' 'WMBO' 'IMBO' 'MZBO' 'RZBO' 'WZBO' 'IZBO' 'MIIO' 'RIIO' 'WIIO' 'IIIO' 'MDIO' 'RDIO' 'WDIO' 'IDIO' 'MMIO' 'RMIO' 'WMIO' 'IMIO' 'MZIO' 'RZIO' 'WZIO' 'IZIO'

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