
VectorToMatrix
Posted:
Jun 26, 1996 2:59 AM


I want to define a function VectorToMatrix[list_, n_] that behaves as follows:
VectorToMatrix[{a,b,c,d,e,f,g,h,i,j}, 4]//MatrixForm
0 a b c d 0 0 e f g 0 0 0 h i 0 0 0 0 j
Now n can be determined from Length[list], which will always be equal to n choose 2 for some n. But I would rather input n to save that computation. (I will be doing this for a lot of vectors.)
Any ideas?
Rob Pratt Department of Mathematics The University of North Carolina at Chapel Hill CB# 3250, 331 Phillips Hall Chapel Hill, NC 275993250
rpratt@math.unc.edu

