f08qhc | Solve real Sylvester matrix equation AX + XB = C, A and B are upper quasi-triangular or transposes |

f08qvc | Solve complex Sylvester matrix equation AX + XB = C, A and B are upper triangular or conjugate-transposes |

f08yhc | Solves the real-valued generalized Sylvester equation |

f08yvc | Solves the complex generalized Sylvester equation |

© The Numerical Algorithms Group Ltd, Oxford UK. 2012