D
Function
Purpose Statement
Solves a first order differential-algebraic system of equations, g(tyyอด) = 0, possibly with additional constraints.
Approximates the Jacobian of m functions in n unknowns using divided differences
Solves a linear programming problem.
Computes the first, second or third derivative of a user-supplied function.
Computes the determinant of a rectangular matrix, A.
Constructs a square diagonal matrix from a rank-1 array or several diagonal matrices from a rank-2 array.
Extracts a rank-1 array whose values are the diagonal terms of a rank-2 array argument.
Computes the 1-norm distance between two points.
Computes the Euclidean (2-norm) distance between two points.
Computes the infinity norm distance between two points.
Solves a linear programming problem via the revised simplex algorithm.
DMACH
See AMACH.
Adds a double-precision scalar to the accumulator in extended precision.
Initializes an extended-precision accumulator with a double-precision scalar.
Multiplies double-precision scalars in extended precision.
DQSTO (See Extended Precision Arithmetic Chapter 9)
Stores a double-precision approximation to an extended-precision scalar.
Computes the single-precision dot product xTy using a double precision accumulator.
This routine handles MATH/LIBRARY and STAT/LIBRARY type DOUBLE PRECISION options.