Kenneth Johnson
KJ Innovation
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Awarded to Kenneth Johnson on 15 Feb 2022
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Feeds
A soumis
Polynomial-to-Pade coefficient conversion
poly2pade converts polynomial coefficients to a Pade approximant's numerator and denominator coefficients.
5 mois il y a | 3 téléchargements |
A soumis
roots_
roots_(c) works with poorly scaled polynomials and does not return zero when c(end) is nonzero.
6 mois il y a | 1 téléchargement |
A soumis
Function pagetensorprod.m, paged tensor product
pagetensorprod generalizes tensorprod for paged operation (analogous to pagemtimes).
7 mois il y a | 1 téléchargement |
A soumis
Class DAA, "Derivative-Augmented Array"
Class DAA, "Derivative-Augmented Array", is a general-purpose automatic differentiation engine implemented in MATLAB.
plus de 2 ans il y a | 1 téléchargement |
A soumis
Padé coefficients
Calculate Padé coefficients corresponding to a truncated Taylor series.
plus de 2 ans il y a | 3 téléchargements |
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...
presque 3 ans il y a | 0
| A accepté
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...
presque 3 ans il y a | 2 réponses | 1
2
réponsesQuestion
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...
environ 3 ans il y a | 1 réponse | 3
1
réponseA soumis
Generalized matrix operators
The functions mtimes_.m, mldivide_.m, and mrdivide_.m generalize the corresponding MATLAB functions.
environ 3 ans il y a | 1 téléchargement |
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...
environ 3 ans il y a | 2 réponses | 1
2
réponsesA soumis
bsxi
Array indexing for binary singleton expansion
environ 3 ans il y a | 1 téléchargement |
Question
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...
environ 3 ans il y a | 3 réponses | 11
3
réponsesA soumis
Linear differential equation solver (lde.m)
solves a linear, first-order, vector differential equation
plus de 3 ans il y a | 2 téléchargements |
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...
presque 4 ans il y a | 1 réponse | 3
1
réponseA soumis
permn
Generate permutations of 1:n and permutation parity.
presque 4 ans il y a | 1 téléchargement |
A soumis
str2subs, subs2str
Convert a string to/from a subscript struct for use in subsref and subsasgn.
environ 4 ans il y a | 2 téléchargements |
A soumis
fminsearch_(funfcn,x0,options,varargin)
Works around a bug (or design defect) in fminsearch.
plus de 8 ans il y a | 1 téléchargement |
A soumis
serpind.m
serpentine traversal of an N-dimensional array
presque 9 ans il y a | 2 téléchargements |
A soumis
Generalized Matrix Exponential
Solves Y'(t) = D(t)*Y(t) for Y(1) with Y(0) = I (identity matrix).
plus de 9 ans il y a | 1 téléchargement |
A soumis
Scalar
The Scalar base class disallows non-scalar instantiation.
presque 10 ans il y a | 1 téléchargement |
A soumis
Matrix exponential
Matrix exponential algorithm with improved numerical precision
presque 11 ans il y a | 2 téléchargements |
A soumis
Matrix polynomial
Efficiently evaluate a polynomial with square-matrix argument and scalar coefficients.
presque 11 ans il y a | 1 téléchargement |
A soumis
matrix power
more efficient than MATLAB's mpower function
environ 11 ans il y a | 1 téléchargement |
A soumis
elementwise power
more efficient than MATLAB's power function
environ 11 ans il y a | 1 téléchargement |
A soumis
Scanned-Spot-Array EUV Imaging for High-Volume Maskless Lithography
Design data and optical simulation code for maskless EUV lithography system
plus de 12 ans il y a | 2 téléchargements |
A soumis
Cornu Spline
two-point spline with slope constraints
plus de 13 ans il y a | 1 téléchargement |
A soumis
Complex Erf (Error Function), Fresnel Integrals
complex erf function
plus de 13 ans il y a | 1 téléchargement |
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