MATLAB Function Reference |

eps |
Floating-point relative accuracy |

i |
Imaginary unit |

Inf |
Infinity, |

j |
Imaginary unit |

NaN |
Not-a-Number |

pi |
Ratio of a circle's circumference to its diameter, |

realmax |
Largest positive floating-point number |

realmin |
Smallest positive floating-point number |

Sparse Matrices | Programming and Data Types |