OUTINE MB03QY( N, L, A, LDA, U, LDU, E1, E2, INFO )
C     .. Scalar Arguments ..
      INTEGER          INFO, L, LDA, LDU, N
      DOUBLE PRECISION E1, E2
C     .. Array Arguments ..
      DOUBLE PRECISION A(LDA,*), U(LDU,*)

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<A name="Arguments"><B><FONT SIZE="+1">Arguments</FONT></B></A>
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<B>Input/Output Parameters</B>
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  N       (input) INTEGER
          The order of the matrices A and UT.  N &gt;= 2.

  L       (input) INTEGER
          Specifies the position of the block.  1 &lt;=