John D'Errico
Retired
A retired applied mathematician, consultant, sometime mechanical engineer, numerical analyst, woodworker, bridge player. Please DON'T contact me, as too many students then decide I am their personal consultant if I allow it. I won't do consulting by mail.
Statistiques
62 Fichiers
Cody HighlightsRANG
10
of 296 109
RÉPUTATION
21 763
CONTRIBUTIONS
15 Questions
7 745 Réponses
ACCEPTATION DE VOS RÉPONSES
46.67%
VOTES REÇUS
4 730
RANG
4 of 20 339
RÉPUTATION
65 672
CLASSEMENT MOYEN
4.80
CONTRIBUTIONS
62 Fichiers
TÉLÉCHARGEMENTS
1129
ALL TIME TÉLÉCHARGEMENTS
592429
CONTRIBUTIONS
0 Publications
CONTRIBUTIONS
0 Public Chaîne
CLASSEMENT MOYEN
CONTRIBUTIONS
1 Point fort
NOMBRE MOYEN DE LIKES
8
Top ten contributors whose answers received the most acceptances in 2023
Awarded to John D'Errico on 01 Jan 2024
1 of your answers has been picked for excellence by MATLAB Answers Editors
Awarded to John D'Errico on 17 Mar 2023
Obtain 50 solvers for a problem you have created
Awarded to John D'Errico on 10 Sep 2020
Like a problem or solution
Awarded to John D'Errico on 13 Oct 2016
Top ten contributors with the most downloaded submissions in 2023
Awarded to John D'Errico on 19 Jan 2024
Top ten contributors with the most downloaded submissions in 2022
Awarded to John D'Errico on 03 Jan 2023
Top ten contributors with the most downloaded submissions in 2021
Awarded to John D'Errico on 06 Jan 2022
Top ten contributors with the most downloaded submissions in 2020
Awarded to John D'Errico on 04 Jan 2021
Answer 50 questions that were unanswered for more than 30 days
Awarded to John D'Errico on 15 Nov 2020
Top ten contributors with the most downloaded submissions in 2019
Awarded to John D'Errico on 02 Jan 2020
Your submissions were downloaded 1000 or more times in a month
Awarded to John D'Errico on 01 Nov 2019
Your submission is selected as "Pick of The Week"
Awarded to John D'Errico on 09 Oct 2019
Feeds
A soumis
randpoly
Generate N uniformly distributed points inside a supplied polygon (or polyshape)
presque 2 ans il y a | 2 téléchargements |
A soumis
allcrossings
Locate all intersections of a pair of functions f1 and f2, on a finite domain
presque 2 ans il y a | 1 téléchargement |
A soumis
num2bin
Expression of all numbers in a variety of binary forms.
presque 2 ans il y a | 1 téléchargement |
A soumis
A limited set of basic number theoretic tools
Various tools for working with integers and their factors, primes, congruences, etc.
presque 2 ans il y a | 3 téléchargements |
A soumis
minkowskiSum
Compute the Minkowski sum of any two polygons or polyshapes, convex or concave.
environ 2 ans il y a | 9 téléchargements |
A soumis
randFixedLinearCombination
Uniform random samples over a n-dimensional hyper-rectangle, subject to a linear equality constraint
plus de 4 ans il y a | 3 téléchargements |
A soumis
Eigenshuffle
Consistently sorted eigenvalue and eigenvector sequences
plus de 4 ans il y a | 17 téléchargements |
A soumis
Divisors of a number, perfect, amicable, and sociable number
Tools to work (and play) with the divisors of a number
presque 6 ans il y a | 1 téléchargement |
A soumis
HPF - a big decimal class
High precision floating point arithmetic, a new class written in MATLAB
presque 7 ans il y a | 24 téléchargements |
A soumis
Partitions of an integer
List all partitions of an integer
presque 7 ans il y a | 2 téléchargements |
A soumis
The permanent of any matrix (square or not)
The permanent of any matrix, square or not
plus de 7 ans il y a | 3 téléchargements |
A soumis
SLM - Shape Language Modeling
Least squares spline modeling using shape primitives
plus de 7 ans il y a | 62 téléchargements |
A soumis
The Fibonacci Sequence
Efficient computation of Fibonacci and Lucas numbers
presque 8 ans il y a | 1 téléchargement |
A soumis
base2base(Nstart,bstart,bend)
Numeric base conversion between any two numeric bases, for any size integer.
plus de 8 ans il y a | 5 téléchargements |
A soumis
polyfitn
Polynomial modeling in 1 or n dimensions
plus de 8 ans il y a | 269 téléchargements |
A soumis
Optimization Tips and Tricks
Tips and tricks for use of the optimization toolbox, linear and nonlinear regression.
plus de 8 ans il y a | 6 téléchargements |
A soumis
movingstd & movingstd2
A (fast) windowed std on a time series (or array)
plus de 8 ans il y a | 4 téléchargements |
A soumis
Surface Fitting using gridfit
Model 2-d surfaces from scattered data
presque 9 ans il y a | 68 téléchargements |
A soumis
Batched partitioned nonlinear least squares
Speed up when you have a very large number of nonlinear least squares problems, but with one model
plus de 9 ans il y a | 2 téléchargements |
A soumis
export_search_path
Allows the user to transfer your search path from an old MATLAB release to a new release
presque 10 ans il y a | 1 téléchargement |
A soumis
Adaptive numerical limit (and residue) estimation
Numerical extrapolation of a limit (with an error estimate) from only function values
presque 10 ans il y a | 1 téléchargement |
A soumis
Variable Precision Integer Arithmetic
Arithmetic with integers of fully arbitrary size. Arrays and vectors of vpi numbers are supported.
presque 10 ans il y a | 43 téléchargements |
A soumis
Symbolic Polynomial Manipulation
Symbolic polynomial manipulation as an exercise in OOP
environ 10 ans il y a | 19 téléchargements |
A soumis
Adaptive Robust Numerical Differentiation
Numerical derivative of an analytically supplied function, also gradient, Jacobian & Hessian
environ 10 ans il y a | 45 téléchargements |
A soumis
A suite of minimal bounding objects
Suite of tools to compute minimal bounding circles, rectangles, triangles, spheres, incircles, etc.
plus de 10 ans il y a | 29 téléchargements |
A soumis
nearestSPD
Finding the nearest positive definite matrix
plus de 11 ans il y a | 27 téléchargements |
A soumis
distance2curve
Find the closest point on a (n-dimensional) curve to any given point or set of points
presque 12 ans il y a | 16 téléchargements |
A soumis
Inverse (integrated) gradient
Vectorized & fully sparse 1-d, 2-d, & 3-d integrated gradients
presque 12 ans il y a | 9 téléchargements |
A soumis
Inhull
Efficient test for points inside a convex hull in n dimensions
plus de 12 ans il y a | 34 téléchargements |
A soumis
interparc
Distance based interpolation along a general curve in space
plus de 12 ans il y a | 27 téléchargements |
Vous pouvez également sélectionner un site web dans la liste suivante :
Amériques
- América Latina (Español)
- Canada (English)
- United States (English)
Europe
- Belgium (English)
- Denmark (English)
- Deutschland (Deutsch)
- España (Español)
- Finland (English)
- France (Français)
- Ireland (English)
- Italia (Italiano)
- Luxembourg (English)
- Netherlands (English)
- Norway (English)
- Österreich (Deutsch)
- Portugal (English)
- Sweden (English)
- Switzerland
- United Kingdom(English)
Asie-Pacifique
- Australia (English)
- India (English)
- New Zealand (English)
- 中国
- 日本Japanese (日本語)
- 한국Korean (한국어)