John D'Errico
Retired
DON'T contact me. I won't answer questions. PERIOD. I don't do your homework. I won't do consulting. A retired mathematician, numerical analyst, woodworker, bridge player.
Statistics
Answer 50 questions that were unanswered for more than 30 days
Awarded to John D'Errico on 15 Nov 2020
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
Awarded to John D'Errico on 04 Jan 2021
Top ten contributors with the most downloaded submissions
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
Publish your first review
Awarded to John D'Errico on 09 Oct 2019
Your submissions received 25 five star ratings
Awarded to John D'Errico on 09 Oct 2019
Publish your first submission
Awarded to John D'Errico on 09 Oct 2019
Contribute at least one answer each month for 36 consecutive months
Awarded to John D'Errico on 20 Jul 2017
Content Feed
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randFixedLinearCombination
Uniform random samples over a n-dimensional hyper-rectangle, subject to a linear equality constraint
約1年 前 | ダウンロード 2 件 |
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Divisors of a number, perfect, amicable, and sociable number
Tools to work (and play) with the divisors of a number
2年以上 前 | ダウンロード 1 件 |
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HPF - a big decimal class
High precision floating point arithmetic, a new class written in MATLAB
3年以上 前 | ダウンロード 31 件 |
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The permanent of any matrix (square or not)
The permanent of any matrix, square or not
4年以上 前 | ダウンロード 2 件 |
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SLM - Shape Language Modeling
Least squares spline modeling using shape primitives
4年以上 前 | ダウンロード 95 件 |
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The Fibonacci Sequence
Efficient computation of Fibonacci and Lucas numbers
4年以上 前 | ダウンロード 3 件 |
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base2base(Nstart,bstart,bend)
Numeric base conversion between any two numeric bases, for any size integer.
約5年 前 | ダウンロード 6 件 |
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Optimization Tips and Tricks
Tips and tricks for use of the optimization toolbox, linear and nonlinear regression.
5年以上 前 | ダウンロード 15 件 |
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Batched partitioned nonlinear least squares
Speed up when you have a very large number of nonlinear least squares problems, but with one model
6年以上 前 | ダウンロード 1 件 |
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export_search_path
Allows the user to transfer your search path from an old MATLAB release to a new release
6年以上 前 | ダウンロード 2 件 |
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Adaptive numerical limit (and residue) estimation
Numerical extrapolation of a limit (with an error estimate) from only function values
6年以上 前 | ダウンロード 1 件 |
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Variable Precision Integer Arithmetic
Arithmetic with integers of fully arbitrary size. Arrays and vectors of vpi numbers are supported.
6年以上 前 | ダウンロード 41 件 |
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Symbolic Polynomial Manipulation
Symbolic polynomial manipulation as an exercise in OOP
7年弱 前 | ダウンロード 19 件 |
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Adaptive Robust Numerical Differentiation
Numerical derivative of an analytically supplied function, also gradient, Jacobian & Hessian
7年弱 前 | ダウンロード 67 件 |
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A suite of minimal bounding objects
Suite of tools to compute minimal bounding circles, rectangles, triangles, spheres, incircles, etc.
7年以上 前 | ダウンロード 31 件 |
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distance2curve
Find the closest point on a (n-dimensional) curve to any given point or set of points
8年以上 前 | ダウンロード 9 件 |
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Inverse (integrated) gradient
Vectorized & fully sparse 1-d, 2-d, & 3-d integrated gradients
8年以上 前 | ダウンロード 9 件 |
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IPDM: Inter-Point Distance Matrix
An efficient and accurate Inter-Point Distance Matrix
約9年 前 | ダウンロード 5 件 |
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FresnelS and FresnelC
Efficient and accurate computation of the Fresnel sine and cosine integrals
9年以上 前 | ダウンロード 8 件 |
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fminsearchbnd, fminsearchcon
Bound constrained optimization using fminsearch
9年以上 前 | ダウンロード 155 件 |
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arclength
Compute the arclength of a general curve in any number of dimensions
9年以上 前 | ダウンロード 27 件 |
