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all: switch to subscript+brace notation for elementary reflectors

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This commit is contained in:
Vladimir Chalupecky
2016-04-18 11:36:13 +09:00
parent cae2fd60d5
commit 88aa36bca1
20 changed files with 71 additions and 71 deletions
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9
native/dorgql.go
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@@ -10,10 +10,9 @@ import (
)
// Dorgql generates the m×n matrix Q with orthonormal columns defined as the
// last n columns of a product of k elementary reflectors of order m as returned
// by Dgelqf. That is,
// Q = H(k-1) * ... * H(1) * H(0).
// See Dgelqf for more information.
// last n columns of a product of k elementary reflectors of order m
// Q = H_{k-1} * ... * H_1 * H_0
// as returned by Dgelqf. See Dgelqf for more information.
//
// tau must have length at least k, and Dorgql will panic otherwise.
//
@@ -83,7 +82,7 @@ func (impl Implementation) Dorgql(m, n, k int, a []float64, lda int, tau, work [
ib := min(nb, k-i)
if n-k+i > 0 {
// Form the triangular factor of the block reflector
// H = H(i+ib-1) * ... * H(i+1) * H(i).
// H = H_{i+ib-1} * ... * H_{i+1} * H_i.
impl.Dlarft(lapack.Backward, lapack.ColumnWise, m-k+i+ib, ib,
a[n-k+i:], lda, tau[i:], work, ldwork)