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Darin Koblick


California State University and Claremont Graduate University

Last seen: 7 days ago Active since 2010

Astrodynamicist and mathematician by trade

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  • GitHub Submissions Level 1
  • Personal Best Downloads Level 3
  • First Review
  • 5-Star Galaxy Level 5
  • First Submission

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Submitted


Plotting Uncertainty (Bounded Line)
Display the upper and lower uncertainty bounds about X and Y datasets in a highly customizable style

4 months ago | 12 downloads |

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KeplerMinMax
A novel closed-form solution to compute the surface altitude extrema for any two-body orbit

1 year ago | 1 download |

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Convert ECI to ECEF Coordinates
Transform ECI position, velocity and acceleration to ECEF position, velocity & acceleration.

2 years ago | 21 downloads |

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Calculate if an Angle is Between Two Angles
This routine will check whether an angle is contained between two other angles specifying lower and upper bounds.

2 years ago | 2 downloads |

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Generate an Array of Random Strings
Want to generate a password with specific upper/lower case and wild character requirements? Perhaps quickly determine a unique ...

3 years ago | 2 downloads |

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Peak and Threshold SNR given an Average False Alarm Rate
Determine the Peak SNR Needed to achieve a desired False Alarm Rate at a Specific Probability of Detection and pulse duration in...

3 years ago | 2 downloads |

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Vectorized Multi-Dimensional Matrix Multiplication
Take Any N-D Matrix and Multiply it by another N-D Matrix Without a For-Loop

5 years ago | 1 download |

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Vectorized Orbital Decay Routine For Space Objects Between 180 and 500 km Altitude.
Fully vectorized routine will estimate the decay time for Earth orbiting objects

7 years ago | 26 downloads |

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rotVecAroundArbAxis(unitVec2Rotate,rotationAxisUnitVec,theta)
Vectorized 3-D rotation of any vector around an arbitrary axis

7 years ago | 4 downloads |

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Vectorized Diagonal of any Multi-Dimensional Matrix
Given an N-D matrix, this routine will return the diagonal elements of any two dimensions

8 years ago | 1 download |

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Parallel Implementation of the Picard Iteration For Linear BVP PDEs
Parallel Picard Iteration for a Linear Hyperbolic BVP PDE

8 years ago | 1 download |

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Efficient Vector Rotation Matrix Routine
Efficient Method to Determine a Matrix Needed to Rotate One Vector to Another

8 years ago | 1 download |

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Convert Keplerian Orbital Elements to a State Vector
Convert orbital elements to a state vector, or a state vector back to orbital elements.

9 years ago | 25 downloads |

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Vectorized Solar Azimuth and Elevation Estimation
Predict the topocentric solar position defined by geodetic lat, lon, Alt, and a universal time

9 years ago | 9 downloads |

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2000 ASTM Standard Extraterrestrial Spectrum Reference E-490-00
Vectorized MATLAB code which will compute the solar flux given a wave length.

10 years ago | 2 downloads |

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Vectorized Clohessy-Wiltshire Hill Linear Propagation
A Demonstration of Linear Satellite Orbit Propagation Using Clohessy-Wiltshire Equations of Motion.

10 years ago | 4 downloads |

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Flatten Any Mulitdimensional Matrix into a 2-D Matrix!
Convert any multidimensional matrix into a 2-D Matrix. Then convert it back to its original form.

10 years ago | 1 download |

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Vectorized Picard-Chebyshev Method
Vectorized Picard-Chebyshev Method used for the analysis of the 2012 ASME Conference paper 87878

10 years ago | 2 downloads |

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State Vector Warping Routine
Calculate new ECI vectors corresponding to a desired time while fixing their relative earth position

10 years ago | 1 download |

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Convert Julian Date to Greenwich Apparent Sidereal Time
Find the Greenwich Apparent Sidereal Time Given any Julian Date

10 years ago | 3 downloads |

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Gauss-Jackson Eighth-Order ODE Solver (Fixed Step Size)
Gauss-Jackson Eight-Order MultiStep Predictor-Corrector using ODE113 in its startup procedure.

10 years ago | 5 downloads |

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Vectorized Analytic Two Body Propagator (Kepler Universal Variables)
Analytic propagation routine uses universal variables to solve a single formula for all orbit types

10 years ago | 1 download |

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Convert ECEF to ECI Coordinates
Take any vector or series of vectors in the ECEF Coordinate frame and convert them to ECI.

11 years ago | 15 downloads |

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Convert UTC to Solar Apparent Time
Convert a time given in UTC to Solar Apparent or Solar Mean Time

11 years ago | 2 downloads |

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Equation of Time
Compute the equation of time with accuracy on the order of seconds.

11 years ago | 2 downloads |

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Bulirsch-Stoer Propagator/Integrator
Implementation of the Bulirsch-Stoer algorithm for purposes of numerical orbit propagation.

12 years ago | 2 downloads |

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Lunar Azimuth and Altitude Estimation Algorithm
Predict the Lunar Azimuth and Altitude within +/- .2 deg of any lat and lon for a given UTC

12 years ago | 3 downloads |

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Julian Date to Greenwich Mean Sidereal Time
Convert a given Julian Date to Greenwich Mean Sidereal Time (GMST) in degrees.

12 years ago | 9 downloads |

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Convert Right Ascension and Declination to Azimuth and Elevation
Algorithm will convert topocentric RA/DEC Angles to Azimuth and Elevation

13 years ago | 8 downloads |

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Convert Azimuth and Elevation to Right Ascension and Declination
Algorithm will convert Az/El angles to RA /DEC using a topocentric coordinate frame

13 years ago | 9 downloads |