Matt J

Last seen: Today | Active since 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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Submitted

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.

8 dagar ago | 5 downloads |

Submitted

ezplane
Plot an arbitrary 3D plane given its equation.

18 dagar ago | 1 download |

Submitted

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

22 dagar ago | 5 downloads |

Submitted

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...

2 månader ago | 53 downloads |

Submitted

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

3 månader ago | 2 downloads |

Submitted

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

6 månader ago | 3 downloads |

Submitted

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

ungefär ett år ago | 5 downloads |

Submitted

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

mer än ett år ago | 1 download |

Submitted

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

mer än ett år ago | 2 downloads |

Submitted

gaussfitn
Fit N-dimensional scattered points with Gaussian+constant

mer än ett år ago | 19 downloads |

Submitted

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

nästan 2 år ago | 17 downloads |

Submitted

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

ungefär 2 år ago | 9 downloads |

Submitted

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....

ungefär 2 år ago | 3 downloads |

Submitted

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

nästan 3 år ago | 3 downloads |

Submitted

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

ungefär 3 år ago | 17 downloads |

Submitted

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...

ungefär 3 år ago | 37 downloads |

Submitted

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

ungefär 3 år ago | 36 downloads |

Submitted

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

ungefär 3 år ago | 2 downloads |

Submitted

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

mer än 3 år ago | 12 downloads |

Submitted

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.

nästan 4 år ago | 7 downloads |

Submitted

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

ungefär 4 år ago | 1 download |

Submitted

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

ungefär 4 år ago | 8 downloads |

Submitted

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

mer än 4 år ago | 15 downloads |

Submitted

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

ungefär 5 år ago | 5 downloads |

Submitted

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

mer än 6 år ago | 4 downloads |

Submitted

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

mer än 6 år ago | 10 downloads |

Submitted

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

mer än 6 år ago | 4 downloads |

Submitted

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

nästan 8 år ago | 8 downloads |