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Ged Ridgway


University of Oxford

12 total contributions since 2008

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Responded


Re: inverse of sparse matrix
Thanks Matt, The WLS problem was actually just an example, since expressions like inv(X'*inv(V)*X) come up in more general circ...

5 years ago | 27194 views

Responded


Re: inverse of sparse matrix
Dear Tim, Interested to read this: Something that often comes up in relation to Gaussian likelihoods is a term of the form: F...

5 years ago | 27194 views

Submitted


Group Equally
Categorise data into quantiles

6 years ago | 1 downloads |

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Responded


Re: Probability Density Function needed
Hi Paulo, For mode=mean, how about just: which is zero at 0 and 1, otherwise positive, and integrates to 1, so seems to be a va...

6 years ago | 3628 views

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DimFunc
Apply a function along any dimension of an n-D array.

6 years ago | 1 downloads |

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Unique random permutations
Random sample (without replacement) from unique permutations of a vector or row-perms of a matrix

6 years ago | 5 downloads |

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Struct array conversion
Convert in either direction between struct-array and structure of arrays

6 years ago | 1 downloads |

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Modulation tutorial
Simple illustration of the Jacobian determinant as a geometric scaling factor

7 years ago | 2 downloads |

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Default arguments
Set missing/empty variable or field to given value

7 years ago | 2 downloads |

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(AU)ROC(CH)
Receiver Operating Characteristic curve with convex hull, plus areas under ROC and ROCCH.

7 years ago | 7 downloads |

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Bipolar Colormap
Symmetric/diverging/bipolar cold-neutral-hot colormap

7 years ago | 14 downloads |

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Rice/Rician distribution
Functions for Rice/Rician PDF: stats, samples, and distribution fitting.

8 years ago | 47 downloads |

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