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[matrix] Diff of /pkg/Matrix/src/sparseQR.c
 [matrix] / pkg / Matrix / src / sparseQR.c

Diff of /pkg/Matrix/src/sparseQR.c

revision 2854, Thu Nov 22 07:54:41 2012 UTC revision 2860, Mon Dec 31 14:35:37 2012 UTC
# Line 30  Line 30
30   * @param beta scaling factors for the Householder transformations   * @param beta scaling factors for the Householder transformations
31   * @param p 0-based permutation vector of length V->m   * @param p 0-based permutation vector of length V->m
32   * @param trans logical value - if TRUE create Q'y[p] otherwise Qy[p]   * @param trans logical value - if TRUE create Q'y[p] otherwise Qy[p]
33   * @param y contents of a V->m by nrhs dense matrix   * @param y contents of a V->m by nrhs, i.e. dim(y) == ydims[0:1], dense matrix
34   *        Note that V->m = m2 : V may contain "spurious 0 rows" (structural rank deficiency)   *        Note that V->m = m2 : V may contain "spurious 0 rows" (structural rank deficiency)
35   * @param ydims dimensions of y   * @param ydims dimensions of y
36   */   */
# Line 67  Line 67
67  * @param qr a "sparseQR" object  * @param qr a "sparseQR" object
68  * @param y a (dense) Matrix  * @param y a (dense) Matrix
69  * @param trans logical, if TRUE compute   Q'y   else  Q y  * @param trans logical, if TRUE compute   Q'y   else  Q y
70  * @return Q'y or Qy  * @return Q'y ("qty")  or   Qy ("qy")
71  */  */
72  SEXP sparseQR_qty(SEXP qr, SEXP y, SEXP trans)  SEXP sparseQR_qty(SEXP qr, SEXP y, SEXP trans)
73  {  {

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