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Kenneth Johnson


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Inviato


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

15 giorni fa | 3 download |

0.0 / 5

Inviato


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

23 giorni fa | 1 download |

0.0 / 5

Inviato


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

5 mesi fa | 1 download |

0.0 / 5

Inviato


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

circa un anno fa | 1 download |

0.0 / 5

Inviato


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

circa un anno fa | 2 download |

0.0 / 5

Inviato


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

oltre 3 anni fa | 2 download |

0.0 / 5

Inviato


pageexpm
Paged matrix exponential function

oltre 3 anni fa | 1 download |

0.0 / 5

Risposto
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...

oltre 3 anni fa | 0

| accettato

Domanda


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...

oltre 3 anni fa | 2 risposte | 1

2

risposte

Domanda


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...

oltre 3 anni fa | 1 risposta | 3

1

risposta

Inviato


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

oltre 3 anni fa | 1 download |

0.0 / 5

Domanda


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...

oltre 3 anni fa | 2 risposte | 1

2

risposte

Inviato


bsxi
Array indexing for binary singleton expansion

oltre 3 anni fa | 1 download |

0.0 / 5

Domanda


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...

quasi 4 anni fa | 4 risposte | 11

4

risposte

Inviato


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

oltre 4 anni fa | 1 download |

5.0 / 5
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Domanda


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...

oltre 4 anni fa | 1 risposta | 3

1

risposta

Inviato


permn
Generate permutations of 1:n and permutation parity.

oltre 4 anni fa | 1 download |

0.0 / 5

Inviato


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

quasi 5 anni fa | 2 download |

5.0 / 5

Inviato


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

oltre 9 anni fa | 1 download |

0.0 / 5

Inviato


serpind.m
serpentine traversal of an N-dimensional array

oltre 9 anni fa | 1 download |

0.0 / 5

Inviato


fgridmin.m
global minimization utility

oltre 9 anni fa | 1 download |

0.0 / 5

Inviato


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

oltre 10 anni fa | 2 download |

0.0 / 5

Inviato


Scalar
The Scalar base class disallows non-scalar instantiation.

oltre 10 anni fa | 1 download |

0.0 / 5

Inviato


Matrix exponential
Matrix exponential algorithm with improved numerical precision

oltre 11 anni fa | 1 download |

0.0 / 5

Inviato


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

oltre 11 anni fa | 1 download |

5.0 / 5

Inviato


matrix power
more efficient than MATLAB's mpower function

quasi 12 anni fa | 1 download |

0.0 / 5

Inviato


elementwise power
more efficient than MATLAB's power function

quasi 12 anni fa | 1 download |

5.0 / 5

Inviato


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

circa 13 anni fa | 2 download |

5.0 / 5
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Inviato


Cornu Spline
two-point spline with slope constraints

quasi 14 anni fa | 3 download |

0.0 / 5
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Inviato


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

quasi 14 anni fa | 6 download |

5.0 / 5
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