11C. Transformations
m0=: ] i."1&.|: 1 _1"_ |
Column node table from connection table columns (inverse to m3) |
m1=: ] (i."1) 1 _1"_ |
Node table from connection table rows (inverse to m4) |
m2=: [:-/ ] =/ [:i. [:>: [:>./ , |
Row connection table from node table columns |
m3=: [: |: m2 |
Column connection table from node table columns (inverse to m0) |
m4=: [:-/"2 ] =/ [:i. [:>: [:>./ , |
Row connection table from node table rows (inverse to m1) |
y 1 1 0 0 0 0 _1 0 1 1 _1 0 1 _1 0 0 0 _1 0 _1 m0 y 0 0 2 1 1 2 1 3 2 3 m3 m0 y 1 1 0 0 0 0 _1 0 1 1 _1 0 1 _1 0 0 0 _1 0 _1