VYPER

=VYPER(Vector)

Vector
Required. Has to be a 1D-vector. A single cel is allowed, in case of which: Output=Input.

Extrudes a given Vector by means of all cyclic permutations (the cyclic sequence is invariant).

GeertD

Board Regular
Joined
Dec 22, 2020
Messages
60
Office Version
  1. 365
Platform
  1. Windows
VYPER – vector extrusion through cyclic permutations. Extrudes a given Vector by means of all cyclic permutations (the cyclic sequence is invariant).
Excel Formula:
=LAMBDA(InputVector,LET(
riv,ROWS(InputVector),civ,COLUMNS(InputVector),
IF((riv>1)*(civ>1),"The input needs to be a 1D-vector.",LET(
RowVector,IF(riv=1,InputVector,TRANSPOSE(InputVector)), Cols,COLUMNS(RowVector),
DColdex,MOD(SEQUENCE(,2*Cols,0),Cols)+1,
Rowdex0,SEQUENCE(Cols,,0),
CyclicColdex,INDEX(DColdex,,SEQUENCE(,Cols)+Cols-Rowdex0),
Result,INDEX(RowVector,,CyclicColdex),
IF(riv=1,Result,TRANSPOSE(Result))
))))
VYPER_VectorExtrusionThroughCyclicPermutions.xlsx
ABCDEFGHIJKLMNOPQRSTUVWXYZAAABACADAEAFAG
1Input:Output:Manual Control:
2634281015796342810157963428101579
39634281015796342810157
47963428101579634281015
55796342810157963428101
61579634281015796342810
71015796342810157963428
88101579634281015796342
92810157963428101579634
104281015796342810157963
113428101579634281015796
12
13Input:Output:
14556319872410
151010563198724
16441056319872
17224105631987
18772410563198
19887241056319
20998724105631
21119872410563
22331987241056
23663198724105
24
25Input:Output:
26313The input needs to be a 1D-vector.
27515
28111
29616
30717
31919
32212
33414
34818
351020
36
VYPER
Cell Formulas
RangeFormula
A2:J2A2=SORTBY(SEQUENCE(,10),RANDARRAY(,10,1,10,TRUE))
L2:U11,L26,L14:U23L2=LAMBDA(InputVector,LET( riv,ROWS(InputVector),civ,COLUMNS(InputVector), IF((riv>1)*(civ>1),"The input needs to be a 1D-vector.",LET( RowVector,IF(riv=1,InputVector,TRANSPOSE(InputVector)), Cols,COLUMNS(RowVector), DColdex,MOD(SEQUENCE(,2*Cols,0),Cols)+1, Rowdex0,SEQUENCE(Cols,,0), CyclicColdex,INDEX(DColdex,,SEQUENCE(,Cols)+Cols-Rowdex0), Result,INDEX(RowVector,,CyclicColdex), IF(riv=1,Result,TRANSPOSE(Result)) ))))(A2#)
W2:AF2W2=A2:J2
W3W3=AF2
X3:AF11X3=W2
W4W4=AE2
W5W5=AD2
W6W6=AC2
W7W7=AB2
W8W8=AA2
W9W9=Z2
W10W10=Y2
W11W11=X2
A14:A23A14=TRANSPOSE(SORTBY(SEQUENCE(,10),RANDARRAY(,10,1,10,TRUE)))
A26:B35A26=TRANSPOSE(SORTBY(SEQUENCE(2,10),RANDARRAY(,10,1,10,TRUE)))
Dynamic array formulas.
Cells with Conditional Formatting
CellConditionCell FormatStop If True
L27:U35Other TypeColor scaleNO
A26:J35Other TypeColor scaleNO
L15:U23,M14:U14Other TypeColor scaleNO
A14:J23Other TypeColor scaleNO
L2:U11,L14Other TypeColor scaleNO
W2:AF11Other TypeColor scaleNO
A2:J11Other TypeColor scaleNO
 
Upvote 0
Hi, ✌️ , for fun ? :
Excel Formula:
=LAMBDA(a,LET(r,ROWS(a),c,COLUMNS(a),IF(AND(r>1,c>1),"no 1D",
      LET(x,IF(r=1,c,r),y,MOD(SEQUENCE(x,,x,-1)+SEQUENCE(,x)-1,x)+1,z,INDEX(a,y),
        IF(r=1,z,TRANSPOSE(z))))
        )
)
Book1
ABCDEFGHIJKLMNOPQRSTUVWXYZAA
1aConceptfor 1st example x=clm(a)=10
263428101579
3step1 seq(x,,x,-1)+seq(,x)
4=VYPER(C2:L2)=SEQUENCE(10,,10,-1)+SEQUENCE(,10)
56342810157911121314151617181920
69634281015710111213141516171819
7796342810159101112131415161718
857963428101891011121314151617
91579634281078910111213141516
10101579634286789101112131415
1181015796342567891011121314
122810157963445678910111213
13428101579633456789101112
1434281015796234567891011
15
16step2 mod(step1-1,x)+1
17a=VYPER(A18:A27)=MOD(P5#-1,10)+1
1855631987241012345678910
19101056319872410123456789
2044105631987291012345678
2122410563198789101234567
2277241056319878910123456
2388724105631967891012345
2499872410563156789101234
2511987241056345678910123
2633198724105634567891012
2766319872410523456789101
28
29astep3 index(a,step2)
3058=VYPER(A30:B31)=INDEX(C2:L2,P18#)
3134no 1D63428101579
3296342810157
3379634281015
3457963428101
3515796342810
3610157963428
3781015796342
3828101579634
3942810157963
4034281015796
41
42
Sheet1
Cell Formulas
RangeFormula
C4,P30,D30,P17,C17,P4C4=FORMULATEXT(C5)
C5:L14C5=VYPER(C2:L2)
P5:Y14P5=SEQUENCE(10,,10,-1)+SEQUENCE(,10)
C18:L27C18=VYPER(A18:A27)
P18:Y27P18=MOD(P5#-1,10)+1
D31D31=VYPER(A30:B31)
P31:Y40P31=INDEX(C2:L2,P18#)
Dynamic array formulas.
 
That's a one step Cyclic Index. Well done!
Your solution is minimum effort and therefore the best.
Thanks for sharing. :)
 
Thanks C. Have to admit: I was a little rusty. I had to look up again how to make a post on the Message Board.?
Well, I thought I'd compensate with a bunch of nice colors ('t is the season) and a cool name for the function. ;)
 

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