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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 7387c8f97b
commit cb5bb5e222
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Task/Padovan-n-step-number-sequences/Mathematica/padovan-n-step-number-sequences.math Normal file
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ClearAll[Padovan]
Padovan[2,tmax_]:=Module[{start,a,m},
start={1,1,1};
start=MapIndexed[a[#2[[1]]]==#1&,start];
RecurrenceTable[{a[m]==a[m-2]+a[m-3]}~Join~start,a, {m,tmax}]
]
Padovan[n_,tmax_]:=Module[{start,eq,a,m},
start=Padovan[n-1,n+1];
start=MapIndexed[a[#2[[1]]]==#1&,start];
eq=Range[2,n+1];
eq=Append[start,a[m]==Total[a[m-#]&/@eq]];
RecurrenceTable[eq,a, {m,tmax}]
]
Padovan[2,15]
Padovan[3,15]
Padovan[4,15]
Padovan[5,15]
Padovan[6,15]
Padovan[7,15]
Padovan[8,15]