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Are Mjaavatten


Last seen: 2 giorni ago |  Active since 2015

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Retired physicist with background in the petroleum and process industry. My main interests are mathematical modelling, numerical methods, and thermodynamics.

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Submitted


Identify convex and concave parts of polygon
c = convex([x,y]) c = 1 where the polygon curves toward the interior c = -1 where the polygon curves outwards

8 mesi ago | 3 downloads |

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Curvature of a 1D curve in a 2D or 3D space
Calculates the local radius of curvature as well as the cumulative arc length and the curvature vector along a 1D curve in 2D or...

8 mesi ago | 96 downloads |

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Submitted


Solver for nonlinear equation systems: newton.m
Solves a system f(x) = 0 with n equations in n variables.

oltre un anno ago | 13 downloads |

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Nonlinear equation system solver: broyden
Solve set of nonlinear equations. Optionally define bounds on independent variables.

oltre un anno ago | 23 downloads |

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Thermodynamic models and tools for H2O, H2, CO2 and Air
Tool for effective thermodynamic calculations. Includes high-accuracy thermodynamic models for H2O, H2 CO2 and Air.

oltre un anno ago | 10 downloads |

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test_derivatives
Tool to test analytical against numerical derivatives.

circa 2 anni ago | 1 download |

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nistdata(species,T,p)
Create tables of thermophysical properties for gases

circa 2 anni ago | 3 downloads |

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polyfix(x,y,n,xfix,yfix,xder,dydx)
Fit polynomial p to data, but match exactly at one or more points

oltre 2 anni ago | 29 downloads |

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remotest(points,boundary)
Finds the position within or on a boundary that is farthest from any member of a set of points.

oltre 3 anni ago | 3 downloads |

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WH-1080 weather station data viewer
A flexible graphical user interface for viewing weather history data from the weather station.

oltre 4 anni ago | 3 downloads |

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read_excel_columns(filename,sheet,columns,firstrow,lastrow)
Read selected columns from a large Excel file using ActiveX

oltre 6 anni ago | 2 downloads |