diff options
Diffstat (limited to 'SRC/zlatrd.f')
| -rw-r--r-- | SRC/zlatrd.f | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/SRC/zlatrd.f b/SRC/zlatrd.f index 73609eb2..5203189b 100644 --- a/SRC/zlatrd.f +++ b/SRC/zlatrd.f @@ -19,7 +19,7 @@ * * ZLATRD reduces NB rows and columns of a complex Hermitian matrix A to * Hermitian tridiagonal form by a unitary similarity -* transformation Q' * A * Q, and returns the matrices V and W which are +* transformation Q**H * A * Q, and returns the matrices V and W which are * needed to apply the transformation to the unreduced part of A. * * If UPLO = 'U', ZLATRD reduces the last NB rows and columns of a @@ -96,7 +96,7 @@ * * Each H(i) has the form * -* H(i) = I - tau * v * v' +* H(i) = I - tau * v * v**H * * where tau is a complex scalar, and v is a complex vector with * v(i:n) = 0 and v(i-1) = 1; v(1:i-1) is stored on exit in A(1:i-1,i), @@ -109,7 +109,7 @@ * * Each H(i) has the form * -* H(i) = I - tau * v * v' +* H(i) = I - tau * v * v**H * * where tau is a complex scalar, and v is a complex vector with * v(1:i) = 0 and v(i+1) = 1; v(i+1:n) is stored on exit in A(i+1:n,i), @@ -118,7 +118,7 @@ * The elements of the vectors v together form the n-by-nb matrix V * which is needed, with W, to apply the transformation to the unreduced * part of the matrix, using a Hermitian rank-2k update of the form: -* A := A - V*W' - W*V'. +* A := A - V*W**H - W*V**H. * * The contents of A on exit are illustrated by the following examples * with n = 5 and nb = 2: |