Matt J

Last seen: Today | Attivo dal 2009

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Professional Interests: medical image processing, optimization algorithms PLEASE NOTE: I do not read email sent through my author page. Please post questions about FEX submissions in their respective Comments section.

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Block transposition, permutation, and reshaping of arrays
Analogues for transpose(), reshape(), and permute() but where sub-blocks of the array are treated as scalar elements.

15 giorni fa | 6 download |

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ezplane
Plot an arbitrary 3D plane given its equation.

25 giorni fa | 1 download |

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Grids of tiled chart layouts
A tool for simplifying the creation of nested tiled layouts

29 giorni fa | 6 download |

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Object-oriented tools to fit/plot conics and quadrics
A tool set for fitting and/or plotting various conics and quadric surfaces, e.g., ellipses, cylinders, spheres, planes, cones, a...

3 mesi fa | 57 download |

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spatialgraph2D
Creates a graph object with 2D spatial locations associated with the nodes

4 mesi fa | 2 download |

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Array Concatenation with Implicit Expansion
Versions of cat(), horzcat(), and vertcat() that support implicit expansion

6 mesi fa | 1 download |

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Tools for Processing Consecutive Repetitions in Vectors
A set of functions for labeling and manipulating groups of consecutively repeating elements in a vector.

circa un anno fa | 5 download |

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outputnames
Get a list of the output argument names of the currently executing function.

oltre un anno fa | 1 download |

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Further tools for analyzing objects in N-dimensional images
A collection of tools to supplement bwpropfilt, bwareaopen, and the like.

oltre un anno fa | 2 download |

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gaussfitn
Fit N-dimensional scattered points with Gaussian+constant

oltre un anno fa | 18 download |

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Absolute Orientation - Horn's method
Solves weighted absolute orientation problem using Horn's quaternion-based method.

quasi 2 anni fa | 16 download |

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Convert linear functions to matrix form
Obtaining the matrix representing a given linear function

circa 2 anni fa | 6 download |

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Intersections of multiple 2D lines or line segments
Compute the intersection of a reference line (or line segment) with a polyshape boundary or with a batch of other line segments....

circa 2 anni fa | 4 download |

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PROB2MATRICES: A selective version of prob2struct
Obtains matrices for select parts of an optimization problem from problem-based description.

quasi 3 anni fa | 3 download |

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3D Rotation about Shifted Axis
Computes/applies rotation about arbitrary 3D line.

circa 3 anni fa | 20 download |

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Analyze N-dimensional Convex Polyhedra
Find vertex or (in)equality forms of convex polyhedra in R^n (for n not super large). Also, compute their intersections and unio...

circa 3 anni fa | 36 download |

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N-dimensional sparse arrays
Creates an N-dimensional sparse array object, for arbitrary N.

circa 3 anni fa | 30 download |

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whosGPU
Provides WHOS-like output for gpuArray variables in the current workspace.

circa 3 anni fa | 3 download |

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Extract linearly independent subset of matrix columns
Loop-free code routine to find a maximal subset of linearly independent columns in a matrix

oltre 3 anni fa | 13 download |

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Constrained minimum L1-norm solutions of linear equations
Finds least L1-norm solutions to linear equations C*x=d subject to linear and/or integer constraints.

quasi 4 anni fa | 8 download |

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ndgridVecs
A more efficient substitute for ndgrid meant to help capitalize on implicit expansion.

circa 4 anni fa | 1 download |

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Find vertices in image of convex polygon
Estimates the corner points of a pixelated convex polygon having a known number of vertices.

circa 4 anni fa | 14 download |

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Structure fields to variables
Code writing tool for importing/exporting workspace variables to or from a struct.

oltre 4 anni fa | 14 download |

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Separable Block-wise Operations
Efficiently performs separable operations (e.g., sum, mean,prod, min, max,...) on array sub-blocks

circa 5 anni fa | 5 download |

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Quadratic minimization with norm constraint
Minimizes convex or non-convex quadratics subject to (in)equality constraint on norm(x)

oltre 6 anni fa | 4 download |

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MAT2TILES: divide array into equal-sized sub-arrays
Splits an array of any dimension into cell array of equal sized chunks.

oltre 6 anni fa | 12 download |

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IMRESIZEN: resize an N-dimensional array
An N-dimensional analog of the imresize() function

oltre 6 anni fa | 4 download |

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Regular Control Point Interpolation Matrix with Boundary Conditions
Creates Toeplitz-like matrices representing interpolation operations with edge conditions.

quasi 8 anni fa | 9 download |