AB01MD Orthogonal controllability form for single-input system AB01ND Orthogonal controllability staircase form for multi-input system AB01OD Staircase form for multi-input system using orthogonal transformations
AB04MD Discrete-time <-> continuous-time conversion by bilinear transformation
AB05MD Cascade inter-connection of two systems in state-space form AB05ND Feedback inter-connection of two systems in state-space form AB05OD Rowwise concatenation of two systems in state-space form AB05PD Parallel inter-connection of two systems in state-space form AB05QD Appending two systems in state-space form AB05RD Closed-loop system for a mixed output and state feedback control law AB05SD Closed-loop system for an output feedback control law
AB07MD Dual of a given state-space representation AB07ND Inverse of a given state-space representation
AB08MD Normal rank of the transfer-function matrix of a state space model AB08MZ Normal rank of the transfer-function matrix of a state space model (complex case) AB08ND System zeros and Kronecker structure of system pencil AB08NW System zeros and singular and infinite Kronecker structure of system pencil AB08NZ System zeros and Kronecker structure of system pencil (complex case)
AB09AD Balance & Truncate model reduction AB09BD Singular perturbation approximation based model reduction AB09CD Hankel norm approximation based model reduction AB09DD Singular perturbation approximation formulas AB09ED Hankel norm approximation based model reduction of unstable systems AB09FD Balance & Truncate model reduction of coprime factors AB09GD Singular perturbation approximation of coprime factors AB09HD Stochastic balancing based model reduction AB09ID Frequency-weighted model reduction based on balancing techniques AB09JD Frequency-weighted Hankel norm approximation with invertible weights AB09KD Frequency-weighted Hankel-norm approximation AB09MD Balance & Truncate model reduction for the stable part AB09ND Singular perturbation approximation based model reduction for the stable part
AB13AD Hankel-norm of the stable projection AB13BD H2 or L2 norm of a system AB13CD H-infinity norm of a continuous-time stable system (obsolete, replaced by AB13DD) AB13DD L-infinity norm of a state space system AB13ED Complex stability radius, using bisection AB13FD Complex stability radius, using bisection and SVD AB13ID Properness of the transfer function matrix of a descriptor system AB13MD Upper bound on the structured singular value for a square complex matrix
AG07BD Descriptor inverse of a state-space or descriptor representation
AG08BD Zeros and Kronecker structure of a descriptor system pencil AG08BZ Zeros and Kronecker structure of a descriptor system pencil (complex case)
BB01AD Benchmark examples for continuous-time Riccati equations BB02AD Benchmark examples for discrete-time Riccati equations BB03AD Benchmark examples of (generalized) continuous-time Lyapunov equations BB04AD Benchmark examples of (generalized) discrete-time Lyapunov equations
BD01AD Benchmark examples of continuous-time systems BD02AD Benchmark examples of discrete-time systems
DE01OD Convolution or deconvolution of two signals DE01PD Convolution or deconvolution of two real signals using Hartley transform
DF01MD Sine transform or cosine transform of a real signal
DG01MD Discrete Fourier transform of a complex signal DG01ND Discrete Fourier transform of a real signal DG01OD Scrambled discrete Hartley transform of a real signal
DK01MD Anti-aliasing window applied to a real signal
FB01QD Time-varying square root covariance filter (dense matrices) FB01RD Time-invariant square root covariance filter (Hessenberg form) FB01SD Time-varying square root information filter (dense matrices) FB01TD Time-invariant square root information filter (Hessenberg form) FB01VD One recursion of the conventional Kalman filter
FD01AD Fast recursive least-squares filter
IB01AD Input-output data preprocessing and finding the system order IB01BD Estimating the system matrices, covariances, and Kalman gain IB01CD Estimating the initial state and the system matrices B and D
IB03AD Estimating a Wiener system by a Levenberg-Marquardt algorithm (Cholesky-based or conjugate gradients solver) IB03BD Estimating a Wiener system by a MINPACK-like Levenberg-Marquardt algorithm
MB01PD Matrix scaling (higher level routine) MB01QD Matrix scaling (lower level routine) MB01RB Computation of a triangle of matrix expression alpha*R + beta*A*B or alpha*R + beta*B*A ( BLAS 3 version) MB01RD Computation of matrix expression alpha*R + beta*A*X*trans(A) MB01TD Product of two upper quasi-triangular matrices MB01UD Computation of matrix expressions alpha*H*A or alpha*A*H, with H an upper Hessenberg matrix MB01UX Computation of matrix expressions alpha*T*A or alpha*A*T, T quasi-triangular MB01WD Residuals of Lyapunov or Stein equations for Cholesky factored solutions MB01XD Computation of the product U'*U or L*L', with U and L upper and lower triangular matrices (block algorithm) MB01YD Symmetric rank k operation C := alpha*A*A' + beta*C, C symmetric MB01ZD Computation of matrix expressions H := alpha*T*H, or H := alpha*H*T, with H Hessenberg-like, T triangular
MB02CD Cholesky factorization of a positive definite block Toeplitz matrix MB02DD Updating Cholesky factorization of a positive definite block Toeplitz matrix MB02ED Solution of T*X = B or X*T = B, with T a positive definite block Toeplitz matrix MB02FD Incomplete Cholesky factor of a positive definite block Toeplitz matrix MB02GD Cholesky factorization of a banded symmetric positive definite block Toeplitz matrix MB02HD Cholesky factorization of the matrix T'*T, with T a banded block Toeplitz matrix of full rank MB02ID Solution of over- or underdetermined linear systems with a full rank block Toeplitz matrix MB02JD Full QR factorization of a block Toeplitz matrix of full rank MB02JX Low rank QR factorization with column pivoting of a block Toeplitz matrix MB02KD Computation of the product C = alpha*op( T )*B + beta*C, with T a block Toeplitz matrix MB02MD Solution of Total Least-Squares problem using a SVD approach MB02ND Solution of Total Least-Squares problem using a partial SVD approach MB02OD Solution of op(A)*X = alpha*B, or X*op(A) = alpha*B, A triangular MB02PD Solution of matrix equation op(A)*X = B, with error bounds and condition estimates MB02QD Solution, optionally corresponding to specified free elements, of a linear least squares problem MB02RD Solution of a linear system with upper Hessenberg matrix MB02RZ Solution of a linear system with complex upper Hessenberg matrix MB02SD LU factorization of an upper Hessenberg matrix MB02SZ LU factorization of a complex upper Hessenberg matrix MB02TD Condition number of an upper Hessenberg matrix MB02TZ Condition number of a complex upper Hessenberg matrix MB02UD Minimum norm least squares solution of op(R)*X = B, or X*op(R) = B, using singular value decomposition (R upper triangular) MB02VD Solution of X*op(A) = B
MB03LF Eigenvalues and right deflating subspace of a real skew-Hamiltonian/Hamiltonian pencil in factored form MB03FZ Eigenvalues and right deflating subspace of a complex skew-Hamiltonian/Hamiltonian pencil in factored form MB03LD Eigenvalues and right deflating subspace of a real skew-Hamiltonian/Hamiltonian pencil MB03LP Eigenvalues and right deflating subspace of a real skew-Hamiltonian/Hamiltonian pencil (applying transformations on panels of columns) MB03LZ Eigenvalues and right deflating subspace of a complex skew-Hamiltonian/Hamiltonian pencil MB3LZP Eigenvalues and right deflating subspace of a complex skew-Hamiltonian/Hamiltonian pencil (applying transformations on panels of columns) MB03MD Upper bound for L singular values of a bidiagonal matrix MB03ND Number of singular values of a bidiagonal matrix less than a bound MB03OD Matrix rank determination by incremental condition estimation MB03PD Matrix rank determination (row pivoting) MB03QD Reordering of the diagonal blocks of a real Schur matrix MB03QG Reordering of the diagonal blocks of principal subpencil of a real Schur-triangular matrix pencil MB03RD Reduction of a real Schur matrix to a block-diagonal form MB03SD Eigenvalues of a square-reduced Hamiltonian matrix MB03TD Reordering the diagonal blocks of a matrix in (skew-)Hamiltonian Schur form MB03UD Singular value decomposition of an upper triangular matrix MB03VD Periodic Hessenberg form of a product of matrices MB03WD Periodic Schur decomposition and eigenvalues of a product of matrices in periodic Hessenberg form MB03XD Eigenvalues of a Hamiltonian matrix MB03XZ Eigenvalues of a complex Hamiltonian matrix MB03XP Periodic Schur decomposition and eigenvalues of a matrix product A*B, A upper Hessenberg and B upper triangular MB03YD Periodic QR iteration MB03ZD Stable and unstable invariant subspaces for a dichotomic Hamiltonian matrix
MB04AD Eigenvalues and generalized symplectic URV decomposition of a real skew-Hamiltonian/Hamiltonian pencil in factored form MB04AZ Eigenvalues of a complex skew-Hamiltonian/Hamiltonian pencil in factored form MB04BD Eigenvalues and orthogonal decomposition of a real skew-Hamiltonian/Hamiltonian pencil MB04BP Eigenvalues and orthogonal decomposition of a real skew-Hamiltonian/Hamiltonian pencil (applying transformations on panels of columns) MB04BZ Eigenvalues of a complex skew-Hamiltonian/Hamiltonian pencil MB04DL Balancing a real matrix pencil, optionally avoiding large norms for the scaled (sub)matrices MB4DLZ Balancing a complex matrix pencil, optionally avoiding large norms for the scaled (sub)matrices MB04DP Balancing a real skew-Hamiltonian/Hamiltonian matrix pencil, optionally avoiding large norms for the scaled (sub)matrices MB4DPZ Balancing a complex skew-Hamiltonian/Hamiltonian matrix pencil, optionally avoiding large norms for the scaled (sub)matrices MB04ED Eigenvalues and orthogonal decomposition of a real skew-Hamiltonian/skew-Hamiltonian pencil in factored form MB04FD Eigenvalues and orthogonal decomposition of a real skew-Hamiltonian/skew-Hamiltonian pencil MB04FP Eigenvalues and orthogonal decomposition of a real skew-Hamiltonian/skew-Hamiltonian pencil (applying transformations on panels of columns) MB04GD RQ factorization of a matrix with row pivoting MB04ID QR factorization of a matrix with a lower left zero triangle MB04IZ QR factorization of a matrix with a lower left zero triangle (complex case) MB04JD LQ factorization of a matrix with an upper right zero triangle MB04KD QR factorization of a special structured block matrix MB04LD LQ factorization of a special structured block matrix MB04MD Balancing a general real matrix MB04ND RQ factorization of a special structured block matrix MB04OD QR factorization of a special structured block matrix (variant) MB04PB Paige/Van Loan form of a Hamiltonian matrix MB04TB Symplectic URV decomposition of a real 2N-by-2N matrix MB04UD Unitary column echelon form for a rectangular matrix MB04VD Upper block triangular form for a rectangular pencil MB04XD Basis for left/right null singular subspace of a matrix MB04YD Partial diagonalization of a bidiagonal matrix MB04ZD Transforming a Hamiltonian matrix into a square-reduced form
MB05MD Matrix exponential for a real non-defective matrix MB05ND Matrix exponential and integral for a real matrix MB05OD Matrix exponential for a real matrix, with accuracy estimate
MC01MD The leading coefficients of the shifted polynomial MC01ND Value of a real polynomial at a given complex point MC01OD Coefficients of a complex polynomial, given its zeros MC01PD Coefficients of a real polynomial, given its zeros MC01QD Quotient and remainder polynomials for polynomial division MC01RD Polynomial operation P(x) = P1(x) P2(x) + alpha P3(x) MC01SD Scaling coefficients of a real polynomial for minimal variation MC01TD Checking stability of a given real polynomial MC01VD Roots of a quadratic equation with real coefficients MC01WD Quotient and remainder polynomials for a quadratic denominator MC01XD Roots of a third order polynomial
MC03MD Real polynomial matrix operation P(x) = P1(x) P2(x) + alpha P3(x) MC03ND Minimal polynomial basis for the right nullspace of a polynomial matrix
MD03AD Levenberg-Marquardt algorithm (Cholesky-based or conjugate gradients solver) MD03BD Enhanced MINPACK-like Levenberg-Marquardt algorithm
DAESolver Interface to DAE Solvers ODESolver Interface to ODE Solvers
KINSOL Interface to KINSOL solver for nonlinear systems of equations
FSQP Interface to FSQP solver for nonlinear optimization
SB01BD Pole assignment for a given matrix pair (A,B) SB01DD Eigenstructure assignment for a controllable matrix pair (A,B) in orthogonal canonical form SB01MD State feedback matrix of a time-invariant single-input system
SB02MD Solution of algebraic Riccati equations (Schur vectors method) SB02MT Conversion of problems with coupling terms to standard problems SB02MX Conversion of problems with coupling terms to standard problems (more flexibility) SB02ND Optimal state feedback matrix for an optimal control problem SB02OD Solution of algebraic Riccati equations (generalized Schur method) SB02PD Solution of continuous algebraic Riccati equations (matrix sign function method) with condition and forward error bound estimates SB02QD Condition and forward error for continuous Riccati equation solution SB02RD Solution of algebraic Riccati equations (refined Schur vectors method) with condition and forward error bound estimates SB02SD Condition and forward error for discrete Riccati equation solution
SB03MD Solution of Lyapunov equations and separation estimation SB03OD Solution of stable Lyapunov equations (Cholesky factor) SB03PD Solution of discrete Lyapunov equations and separation estimation SB03QD Condition and forward error for continuous Lyapunov equations SB03RD Solution of continuous Lyapunov equations and separation estimation SB03SD Condition and forward error for discrete Lyapunov equations SB03TD Solution of continuous Lyapunov equations, condition and forward error estimation SB03UD Solution of discrete Lyapunov equations, condition and forward error estimation
SB04MD Solution of continuous Sylvester equations (Hessenberg-Schur method) SB04ND Solution of continuous Sylvester equations (one matrix in Schur form) SB04OD Solution of generalized Sylvester equations with separation estimation SB04PD Solution of continuous or discrete Sylvester equations (Schur method) SB04QD Solution of discrete Sylvester equations (Hessenberg-Schur method) SB04RD Solution of discrete Sylvester equations (one matrix in Schur form)
SB06ND Minimum norm deadbeat control state feedback matrix
SB08CD Left coprime factorization with inner denominator SB08DD Right coprime factorization with inner denominator SB08ED Left coprime factorization with prescribed stability degree SB08FD Right coprime factorization with prescribed stability degree SB08GD State-space representation of a left coprime factorization SB08HD State-space representation of a right coprime factorization SB08MD Spectral factorization of polynomials (continuous-time case) SB08ND Spectral factorization of polynomials (discrete-time case)
SB09MD Closeness of two multivariable sequences
SB10AD H-infinity optimal controller using modified Glover's and Doyle's formulas (continuous-time) SB10DD H-infinity (sub)optimal state controller for a discrete-time system SB10ED H2 optimal state controller for a discrete-time system SB10FD H-infinity (sub)optimal state controller for a continuous-time system SB10HD H2 optimal state controller for a continuous-time system SB10MD D-step in the D-K iteration for continuous-time case SB10ID Positive feedback controller for a continuous-time system SB10KD Positive feedback controller for a discrete-time system SB10ZD Positive feedback controller for a discrete-time system (D <> 0)
SB16AD Stability/performance enforcing frequency-weighted controller reduction SB16BD Coprime factorization based state feedback controller reduction SB16CD Coprime factorization based frequency-weighted state feedback controller reduction
SG02AD Solution of algebraic Riccati equations for descriptor systems SG02CW Residual of continuous- or discrete-time (generalized) algebraic Riccati equations SG02CX Line search parameter minimizing the residual of (generalized) continuous- or discrete-time algebraic Riccati equations SG02ND Optimal state feedback matrix for an optimal control problem
SG03AD Solution of generalized Lyapunov equations and separation estimation SG03BD Solution of stable generalized Lyapunov equations (Cholesky factor)
TB01ID Balancing a system matrix for a given triplet TB01IZ Balancing a system matrix for a given triplet (complex case) TB01KD Additive spectral decomposition of a state-space system TB01LD Spectral separation of a state-space system TB01MD Upper/lower controller Hessenberg form TB01ND Upper/lower observer Hessenberg form TB01PD Minimal, controllable or observable block Hessenberg realization TB01PX Minimal, controllable or observable block Hessenberg realization (variant) TB01TD Balancing state-space representation by permutations and scalings TB01UD Controllable block Hessenberg realization for a state-space representation TB01UY Controllable block Hessenberg realization for a standard multi-input system TB01WD Reduction of the state dynamics matrix to real Schur form TB01WX Orthogonal similarity transformation of a standard system to one with state matrix in a Hessenberg form TB01ZD Controllable realization for single-input systems
TB03AD Left/right polynomial matrix representation of a state-space representation
TB04AD Transfer matrix of a state-space representation TB04BD Transfer matrix of a state-space representation, using the pole-zeros method TB04CD Transfer matrix of a state-space representation in the pole-zero-gain form
TB05AD Frequency response matrix of a state-space representation
TC01OD Dual of a left/right polynomial matrix representation
TC04AD State-space representation for left/right polynomial matrix representation
TC05AD Transfer matrix of a left/right polynomial matrix representation
TD03AD Left/right polynomial matrix representation for a proper transfer matrix
TD04AD Minimal state-space representation for a proper transfer matrix
TD05AD Evaluation of a transfer function for a specified frequency
TF01MD Output response of a linear discrete-time system TF01ND Output response of a linear discrete-time system (Hessenberg matrix) TF01OD Block Hankel expansion of a multivariable parameter sequence TF01PD Block Toeplitz expansion of a multivariable parameter sequence TF01QD Markov parameters of a system from transfer function matrix TF01RD Markov parameters of a system from state-space representation
TG01AD Balancing the matrices of the system pencil corresponding to a descriptor triple TG01AZ Balancing the matrices of the system pencil corresponding to a descriptor triple (complex case) TG01BD Orthogonal reduction of a descriptor system to the generalized Hessenberg form TG01CD Orthogonal reduction of a descriptor system pair (A-sE,B) to the QR-coordinate form TG01DD Orthogonal reduction of a descriptor system pair (C,A-sE) to the RQ-coordinate form TG01ED Orthogonal reduction of a descriptor system to a SVD coordinate form TG01FD Orthogonal reduction of a descriptor system to a SVD-like coordinate form TG01FZ Orthogonal reduction of a descriptor system to a SVD-like coordinate form (complex case) TG01GD Reduced descriptor representation without non-dynamic modes TG01HD Orthogonal reduction of a descriptor system to the controllability staircase form TG01ID Orthogonal reduction of a descriptor system to the observability staircase form TG01JD Irreducible descriptor representation TG01JY Irreducible descriptor representation (blocked version) TG01LD Finite-infinite decomposition of a descriptor system TG01MD Finite-infinite generalized real Schur form decomposition of a descriptor system TG01ND Finite-infinite block-diagonal decomposition of a descriptor system TG01PD Bi-domain spectral splitting of a subpencil of a descriptor system TG01QD Three-domain spectral splitting of a subpencil of a descriptor system TG01WD Reduction of the descriptor dynamics matrix pair to generalized real Schur form
UD01BD Reading a matrix polynomial UD01CD Reading a sparse matrix polynomial UD01DD Reading a sparse real matrix UD01MD Printing a real matrix UD01MZ Printing a real matrix (complex case) UD01ND Printing a matrix polynomial UE01MD Default machine-specific parameters for (skew-)Hamiltonian computation routines