Statistics
RANK
2 658
of 281 911
REPUTATION
20
CONTRIBUTIONS
5 Questions
1 Answer
ANSWER ACCEPTANCE
100.0%
VOTES RECEIVED
19
RANK
2 417 of 19 064
REPUTATION
684
AVERAGE RATING
5.00
CONTRIBUTIONS
21 Files
DOWNLOADS
36
ALL TIME DOWNLOADS
6331
RANK
of 134 297
CONTRIBUTIONS
0 Problems
0 Solutions
SCORE
0
NUMBER OF BADGES
0
CONTRIBUTIONS
0 Posts
CONTRIBUTIONS
0 Public Channels
AVERAGE RATING
CONTRIBUTIONS
0 Highlights
AVERAGE NO. OF LIKES
Accept 2 answers given by other contributors
Awarded to Kenneth Johnson on 15 Feb 2022
Accept 1 answer given by other contributors
Awarded to Kenneth Johnson on 31 Mar 2021
Publish your first review
Awarded to Kenneth Johnson on 20 May 2020
Your submissions were downloaded 10 or more times in a month
Awarded to Kenneth Johnson on 01 Nov 2019
Your submissions received 5 five star ratings
Awarded to Kenneth Johnson on 09 Oct 2019
Publish your first submission
Awarded to Kenneth Johnson on 09 Oct 2019
Content Feed
Submitted
Class DAA, "Derivative-Augmented Array"
Class DAA, "Derivative-Augmented Array", is a general-purpose automatic differentiation engine implemented in MATLAB.
ungefär ett år ago | 1 download |
Submitted
Padé coefficients
Calculate Padé coefficients corresponding to a truncated Taylor series.
ungefär ett år ago | 1 download |
Why does pagemldivide not give Singular Matrix warnings?
Summary of response from Technical Support: The 'help' for 'pagemldivide' states that the function never warns for ill-condit...
mer än ett år ago | 0
| accepted
Question
Why does pagemldivide not give Singular Matrix warnings?
The new pagemldivide function in R2022a Prerelease (I think also in Parallel Computing Toolbox) doesn't give any Singular Matrix...
mer än ett år ago | 2 answers | 1
2
answersQuestion
Why is subscripted assignment so inefficient?
Why is MATLAB's subscripted assignment so abysmally inefficient with more than 2 subscripts? e.g., >> clear, a = []; tic, for j...
mer än ett år ago | 1 answer | 3
1
answerSubmitted
Generalized matrix operators
The functions mtimes_.m, mldivide_.m, and mrdivide_.m generalize the corresponding MATLAB functions.
mer än ett år ago | 1 download |
Question
MATLAB's inefficient copy-on-write implementation
MATLAB's copy-on-write memory management seems to have a serious defect, which I think is the reason behind the abysmal performa...
mer än ett år ago | 2 answers | 1
2
answersQuestion
In what way is the new R2021b Editor UI "improved"?
I find the "new and improved" Editor UI in R2021b to be extremely irritating, in no way better than R2021a. How did this get pas...
mer än ett år ago | 3 answers | 11
3
answersSubmitted
Linear differential equation solver (lde.m)
solves a linear, first-order, vector differential equation
mer än 2 år ago | 2 downloads |
Question
Is this a bug in eig?
This issue came up with the roots function (see roots_ on File Exchange), where eig was failing on the companion matrix. Follow...
mer än 2 år ago | 1 answer | 3
1
answerSubmitted
permn
Generate permutations of 1:n and permutation parity.
mer än 2 år ago | 2 downloads |
Submitted
str2subs, subs2str
Convert a string to/from a subscript struct for use in subsref and subsasgn.
nästan 3 år ago | 1 download |
Submitted
roots_
roots_(c) does not return zero when c(end) is nonzero.
nästan 3 år ago | 3 downloads |
Submitted
fminsearch_(funfcn,x0,options,varargin)
Works around a bug (or design defect) in fminsearch.
mer än 7 år ago | 2 downloads |
Submitted
Generalized Matrix Exponential
Solves Y'(t) = D(t)*Y(t) for Y(1) with Y(0) = I (identity matrix).
mer än 8 år ago | 1 download |
Submitted
Scalar
The Scalar base class disallows non-scalar instantiation.
mer än 8 år ago | 1 download |
Submitted
Matrix exponential
Matrix exponential algorithm with improved numerical precision
mer än 9 år ago | 2 downloads |
Submitted
Matrix polynomial
Efficiently evaluate a polynomial with square-matrix argument and scalar coefficients.
mer än 9 år ago | 1 download |
Submitted
elementwise power
more efficient than MATLAB's power function
nästan 10 år ago | 2 downloads |
Submitted
Scanned-Spot-Array EUV Imaging for High-Volume Maskless Lithography
Design data and optical simulation code for maskless EUV lithography system
nästan 11 år ago | 3 downloads |
Submitted
Complex Erf (Error Function), Fresnel Integrals
complex erf function
nästan 12 år ago | 5 downloads |
You can also select a web site from the following list
Americas
- 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)
Asia Pacific
- Australia (English)
- India (English)
- New Zealand (English)
- 中国
- 日本Japanese (日本語)
- 한국Korean (한국어)