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Initial data commit

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Ingy döt Net 2023-07-01 11:58:00 -04:00
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Task/Pascal-matrix-generation/Factor/pascal-matrix-generation.factor Normal file
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USING: arrays fry io kernel math math.combinatorics
math.matrices prettyprint sequences ;
: pascal ( n quot -- m )
[ dup 2array <coordinate-matrix> ] dip
'[ first2 @ nCk ] matrix-map ; inline
: lower ( n -- m ) [ ] pascal ;
: upper ( n -- m ) lower flip ;
: symmetric ( n -- m ) [ [ + ] keep ] pascal ;
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[ lower "Lower:" ]
[ upper "Upper:" ]
[ symmetric "Symmetric:" ] tri
[ print simple-table. nl ] 2tri@