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Subject: XploRe: Learning Guide
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Quantlet: matrix06
Description: Matrix sums and products.
Download: matrix06.xpl
Code:
;
  x=#(1,3)~#(2,4)
  sum(x)                      ; columnwise sum
;
  sum(x,2)                    ; rowwise sum
;
  cumsum(#(5,4,3)~#(1,2,3))   ; cumulated sums
;
  prod(#(5,4,3)~#(1,2,3))     ; columnwise product
;
  cumprod(#(5,4,3)~#(1,2,3))  ; cumulated product
Subject: XploRe: Learning Guide
See XploRe:
© MD*Tech - Method and Data Technologies, generated on 6.6.2000 .