From: Approximate equiangular tight frames for compressed sensing and CDMA applications

m dimension
| Spectral norm | ||
---|---|---|---|

Algorithm 3 | Algorithm 4 | Optimal | |

32 | 2.074 | 2.015 | 2.000 |

48 | 1.716 | 1.655 | 1.633 |

64 | 1.499 | 1.440 | 1.414 |

80 | 1.351 | 1.288 | 1.265 |

96 | 1.250 | 1.171 | 1.155 |