photo

Kenneth Johnson


Last seen: 11 dagen ago Active since 2011

Followers: 1   Following: 0

Message

Statistics

All
MATLAB Answers

5 Questions
1 Answer

File Exchange

24 Files

RANK
3.054
of 300.392

REPUTATION
20

CONTRIBUTIONS
5 Questions
1 Answer

ANSWER ACCEPTANCE
100.0%

VOTES RECEIVED
19

RANK
2.454 of 20.934

REPUTATION
709

AVERAGE RATING
5.00

CONTRIBUTIONS
24 Files

DOWNLOADS
36

ALL TIME DOWNLOADS
6566

RANK

of 168.373

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

  • Thankful Level 2
  • Thankful Level 1
  • First Review
  • Personal Best Downloads Level 1
  • 5-Star Galaxy Level 3
  • First Submission

View badges

Feeds

View by

Submitted


Class mpoly (multivariate polynomial)
Multivariate polynomial class with automatic differentiation functionality

22 dagen ago | 3 downloads |

0.0 / 5

Submitted


Class DAA, "Derivative-Augmented Array"
Class DAA, "Derivative-Augmented Array", is a general-purpose automatic differentiation engine implemented in MATLAB.

ongeveer een maand ago | 1 download |

0.0 / 5

Submitted


Polynomial-to-Pade coefficient conversion
poly2pade converts polynomial coefficients to a Pade approximant's numerator and denominator coefficients.

5 maanden ago | 1 download |

0.0 / 5

Submitted


roots_
roots_(c) works with poorly scaled polynomials and does not return zero when c(end) is nonzero.

ongeveer een jaar ago | 1 download |

0.0 / 5

Submitted


Function pagetensorprod.m, paged tensor product
pagetensorprod generalizes tensorprod for paged operation (analogous to pagemtimes).

meer dan een jaar ago | 2 downloads |

0.0 / 5

Submitted


Padé coefficients
Calculate Padé coefficients corresponding to a truncated Taylor series.

meer dan 3 jaar ago | 2 downloads |

0.0 / 5

Submitted


pageexpm
Paged matrix exponential function

meer dan 3 jaar ago | 1 download |

0.0 / 5

Answered
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...

meer dan 3 jaar 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...

meer dan 3 jaar ago | 2 answers | 1

2

answers

Question


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...

meer dan 3 jaar ago | 1 answer | 3

1

answer

Submitted


Generalized matrix operators
The functions mtimes_.m, mldivide_.m, and mrdivide_.m generalize the corresponding MATLAB functions.

meer dan 3 jaar ago | 1 download |

0.0 / 5

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...

meer dan 3 jaar ago | 2 answers | 1

2

answers

Submitted


bsxi
Array indexing for binary singleton expansion

bijna 4 jaar ago | 1 download |

0.0 / 5

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...

bijna 4 jaar ago | 4 answers | 11

4

answers

Submitted


Linear differential equation solver (lde.m)
solves a linear, first-order, vector differential equation

meer dan 4 jaar ago | 1 download |

5.0 / 5
Thumbnail

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...

meer dan 4 jaar ago | 1 answer | 3

1

answer

Submitted


permn
Generate permutations of 1:n and permutation parity.

meer dan 4 jaar ago | 1 download |

0.0 / 5

Submitted


str2subs, subs2str
Convert a string to/from a subscript struct for use in subsref and subsasgn.

bijna 5 jaar ago | 2 downloads |

5.0 / 5

Submitted


fminsearch_(funfcn,x0,options,varargin)
Works around a bug (or design defect) in fminsearch.

meer dan 9 jaar ago | 1 download |

0.0 / 5

Submitted


serpind.m
serpentine traversal of an N-dimensional array

meer dan 9 jaar ago | 1 download |

0.0 / 5

Submitted


fgridmin.m
global minimization utility

meer dan 9 jaar ago | 1 download |

0.0 / 5

Submitted


Generalized Matrix Exponential
Solves Y'(t) = D(t)*Y(t) for Y(1) with Y(0) = I (identity matrix).

meer dan 10 jaar ago | 2 downloads |

0.0 / 5

Submitted


Scalar
The Scalar base class disallows non-scalar instantiation.

meer dan 10 jaar ago | 1 download |

0.0 / 5

Submitted


Matrix exponential
Matrix exponential algorithm with improved numerical precision

meer dan 11 jaar ago | 1 download |

0.0 / 5

Submitted


Matrix polynomial
Efficiently evaluate a polynomial with square-matrix argument and scalar coefficients.

meer dan 11 jaar ago | 1 download |

5.0 / 5

Submitted


matrix power
more efficient than MATLAB's mpower function

bijna 12 jaar ago | 1 download |

0.0 / 5

Submitted


elementwise power
more efficient than MATLAB's power function

bijna 12 jaar ago | 1 download |

5.0 / 5

Submitted


Scanned-Spot-Array EUV Imaging for High-Volume Maskless Lithography
Design data and optical simulation code for maskless EUV lithography system

ongeveer 13 jaar ago | 2 downloads |

5.0 / 5
Thumbnail

Submitted


Cornu Spline
two-point spline with slope constraints

bijna 14 jaar ago | 3 downloads |

0.0 / 5
Thumbnail

Submitted


Complex Erf (Error Function), Fresnel Integrals
complex erf function

bijna 14 jaar ago | 4 downloads |

5.0 / 5
Thumbnail