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# E. Cheynet

### University of Bergen (UiB)

103 total contributions since 2015

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Submitted

Evolutionary Power Spectral Density (EPSD)
Compute the Evolutionary Power Spectral Density (EPSD) as an alternative to the spectrogram

8 Tage ago | 14 downloads |

Solved

Side of an equilateral triangle
If an equilateral triangle has area A, then what is the length of each of its sides, x? <<https://i.imgur.com/jlZDHhq.png>> ...

27 Tage ago

Solved

Side of a rhombus
If a rhombus has diagonals of length x and x+1, then what is the length of its side, y? <<https://imgur.com/x6hT6mm.png>> ...

27 Tage ago

Solved

Length of a short side
Calculate the length of the short side, a, of a right-angled triangle with hypotenuse of length c, and other short side of lengt...

27 Tage ago

Solved

Given a 4x4 matrix, swap the two middle columns
If a = [1 2 3 4; 1 2 3 4; 1 2 3 4; 1 2 3 4]; then the result is ans = 1 3 2 4 1 3 2...

27 Tage ago

Solved

Interpolator
You have a two vectors, a and b. They are monotonic and the same length. Given a value, va, where va is between a(1) and a(end...

27 Tage ago

Solved

matrix zigzag
Unfold a 2-D matrix to a 1-D array in zig-zag order, e.g., for matrix [ 1 2 3 ; 4 5 6 ; 7 8 9 ] the resulting 1-...

27 Tage ago

Solved

Calculate Amount of Cake Frosting
Given two input variables |r| and |h|, which stand for the radius and height of a cake, calculate the surface area of the cake y...

27 Tage ago

Submitted

Generalized SEIR Epidemic Model (fitting and computation)
Numerical implementation of an extended SEIR model with time-dependent death and recovery rates

30 Tage ago | 94 downloads |

Submitted

Automated vehicle identification using bridge vibrations
Vehicle-induced vibrations of a suspension bridge are used to automatically identify the mass, speed and arrival time of the veh...

3 Monate ago | 8 downloads |

Submitted

Dynamic response of a line-like structure to a random load
The dynamic displacement response of a line-like structure to an uncorrelated Gaussian white noise input is computed in the time...

3 Monate ago | 14 downloads |

Submitted

Sonic anemometer tilt correction algorithm
The 3 wind components are retrieved from a tilted anemometer using 3 different algorithms

4 Monate ago | 4 downloads |

Submitted

Wind rose as a scatter plot
Plot a wind rose as a scatter plot

4 Monate ago | 12 downloads |

Submitted

Wind field simulation (the fast version)
A three-variate turbulent wind field (u,v and w components) is simulated in three-dimensions.

5 Monate ago | 24 downloads |

Submitted

Buffeting response of a suspension bridge (frequency domain)
The dynamic response of a suspension bridge to wind turbulence is computed in the frequency domain.

5 Monate ago | 6 downloads |

Submitted

Stationarity test
The stationarity of a time series is evaluated by using the reverse arrangement test or moving-window functions

5 Monate ago | 10 downloads |

Submitted

One-point random process generation
Minimalist Matlab implementation of a random process generation in one point using the spectral method

5 Monate ago | 5 downloads |

Submitted

Variable eddy viscosity Ekman layer in the ABL (1D)
Ekman's equations in the atmospheric boundary layer are solved for a horizontally homogeneous flow and a height-dependant eddy v...

6 Monate ago | 7 downloads |

Submitted

Converting acceleration to displacements records
The Discrete Fourier transform is compared to the double integration technique when transforming acceleration to displacement re...

6 Monate ago | 19 downloads |

Submitted

Damping ratio estimation from ambient vibrations (SDOF)
The modal damping ratio of a Single-Degree-of-Freedom (SDOF) System is estimated using ambient vibrations data

6 Monate ago | 26 downloads |

Submitted

Linear vertical vibrations of suspension bridges
The eigen-frequencies and mode-shapes for the vertical DOF of a suspension bridge are computed

6 Monate ago | 3 downloads |

Submitted

Wind field simulation (the user-friendly version)
Simulation of spatially correlated wind velocity time-histories

6 Monate ago | 27 downloads |

Submitted

Averaging noisy data into bins
The function binAveraging smoothes noisy power spectral density estimates or simply average scattered data into bins

6 Monate ago | 6 downloads |

Submitted

Mode shapes extraction by time domain decomposition (TDD)
The modal parameters of a line-like structure are estimated in the time domain using displacement records only.

6 Monate ago | 14 downloads |

Submitted

Calculation of the modal parameters of a suspension bridge
The eigenfrequencies and modes shapes of a suspension bridge are calculated using a continuum model

6 Monate ago | 9 downloads |

Submitted

eigen-value calculation of continuous beams
Compute the eigenfrequencies and mode shapes of a continuous beam with different boundary conditions

6 Monate ago | 13 downloads |

Submitted

Friction velocity estimation from the Reynold stress tensor
The friction velocity is computed from sonic anemometer data without the need to correct tilt angle errors

6 Monate ago | 2 downloads |

Submitted

Uniform shear model (Mann, 1994)
Numerical implementation of the uniform-shear model by Mann (1994)

6 Monate ago | 2 downloads |

Submitted

Mathematical modelling of an outbreak of zombie infection
How long will humanity survive to zombiism ?

6 Monate ago | 3 downloads |

Submitted

pcolor in polar coordinates
polarPcolor draws a pseudocolor plot in polar coordinates with a polar grid.

6 Monate ago | 52 downloads |