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Are Mjaavatten


Last seen: Today Active since 2015

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

19 days ago | 6 downloads |

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Submitted


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...

27 days ago | 86 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.

11 months ago | 9 downloads |

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Submitted


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

1 year ago | 27 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.

1 year ago | 13 downloads |

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test_derivatives
Tool to test analytical against numerical derivatives.

1 year ago | 2 downloads |

Submitted


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

1 year ago | 5 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

2 years ago | 49 downloads |

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Submitted


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

3 years ago | 3 downloads |

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Submitted


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

3 years ago | 1 download |

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

5 years ago | 2 downloads |