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Kenneth Johnson


KJ Innovation

Last seen: 1 year ago Active since 2011

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Submitted


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

2 years ago | 1 download |

Submitted


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

2 years ago | 2 downloads |

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pageexpm
Paged matrix exponential function

2 years ago | 1 download |

Submitted


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

2 years ago | 1 download |

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bsxi
Array indexing for binary singleton expansion

2 years ago | 1 download |

Submitted


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

3 years ago | 4 downloads |

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Submitted


permn
Generate permutations of 1:n and permutation parity.

3 years ago | 2 downloads |

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

3 years ago | 1 download |

Submitted


roots_
roots_(c) does not return zero when c(end) is nonzero.

3 years ago | 3 downloads |

Submitted


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

8 years ago | 1 download |

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serpind.m
serpentine traversal of an N-dimensional array

8 years ago | 1 download |

Submitted


fgridmin.m
global minimization utility

8 years ago | 1 download |

Submitted


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

9 years ago | 1 download |

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Scalar
The Scalar base class disallows non-scalar instantiation.

9 years ago | 1 download |

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Matrix exponential
Matrix exponential algorithm with improved numerical precision

10 years ago | 2 downloads |

Submitted


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

10 years ago | 2 downloads |

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matrix power
more efficient than MATLAB's mpower function

10 years ago | 1 download |

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elementwise power
more efficient than MATLAB's power function

10 years ago | 1 download |

Submitted


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

11 years ago | 1 download |

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Cornu Spline
two-point spline with slope constraints

12 years ago | 1 download |

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

12 years ago | 5 downloads |

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