:  Equation (1), continuous-time case.

  LTRANS  LOGICAL
          Specifies the form of op(K) to be used, as follows:
          = .FALSE.:  op(K) = K    (No transpose);
          = .TRUE. :  op(K) = K**T (Transpose).

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<B>Input/Output Parameters</B>
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  N       (input) INTEGER
          The order of the matrix A and the number of columns in
          matrix op(B).  N &gt;= 0.

  M       (input) INTEGER
          The number of rows in matrix op(B).  M &gt;= 0.

  A       (input) DOUBLE PRECISION 