Gabriel Ruiz-Martinez

Actif depuis 2006

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Interested in water waves, coastal and oceanographic phenomena.

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Colebrook-White equation, using Newton-Raphson
The Colebrook-White equation is solved using the iterative method of Newton-Raphson.

presque 2 ans il y a | 6 téléchargements |

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gebcotif2xyz
GEBCO geotiff file data are exported to two xyz files, one of them in geographical coordinates and other in UTM coordinates.

environ 2 ans il y a | 2 téléchargements |

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Conversion from water pressure to depth
Leroy and Parthiot equation is used to the conversion of water pressure to depth. This equation is an alternative to the UNESCO ...

environ 3 ans il y a | 2 téléchargements |

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Harmonic Analysis for Tidal time series data
@Shuvashish Roy, you can try with LP-TIDES, this a nice Matlab GUI that uses T-Tide toolbox. Regards

plus de 3 ans il y a | 0

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Shallow Water wave phase speed.
@Jeremiah Thomas, a solution could be this: % Wave period (s) T = 2:15; % Water depths vector (m) d = 1:4000; % Gravit...

plus de 3 ans il y a | 0

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Doubling elements in a vector
Given the vector A, return B in which all numbers in A are doubling. So for: A = [ 1 5 8 ] then B = [ 1 1 5 ...

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Whether the input is vector?
Given the input x, return 1 if x is vector or else 0.

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Inner product of two vectors
Find the inner product of two vectors.

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Vector creation
Create a vector using square brackets going from 1 to the given value x in steps on 1. Hint: use increment.

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Create a vector
Create a vector from 0 to n by intervals of 2.

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Flip the vector from right to left
Flip the vector from right to left. Examples x=[1:5], then y=[5 4 3 2 1] x=[1 4 6], then y=[6 4 1]; Request not ...

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Find max
Find the maximum value of a given vector or matrix.

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Get the length of a given vector
Given a vector x, the output y should equal the length of x.

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Arrange Vector in descending order
If x=[0,3,4,2,1] then y=[4,3,2,1,0]

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Swap the input arguments
Write a two-input, two-output function that swaps its two input arguments. For example: [q,r] = swap(5,10) returns q = ...

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Roll the Dice!
*Description* Return two random integers between 1 and 6, inclusive, to simulate rolling 2 dice. *Example* [x1,x2] =...

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Number of 1s in a binary string
Find the number of 1s in the given binary string. Example. If the input string is '1100101', the output is 4. If the input stri...

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Calculate BMI
Given a matrix |hw| (height and weight) with two columns, calculate BMI using these formulas: * 1 kilogram = 2.2 pounds * 1 ...

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Convert from Fahrenheit to Celsius
Given an input vector |F| containing temperature values in Fahrenheit, return an output vector |C| that contains the values in C...

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Make a random, non-repeating vector.
This is a basic MATLAB operation. It is for instructional purposes. --- If you want to get a random permutation of integer...

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Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

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Swap the first and last columns
Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...

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Modified Shields diagram and criterion
shieldsmodbonlay(rhom,diam) computes the modified Shields criterion for the initiation of motion of a cohesionless sediment.

plus de 3 ans il y a | 3 téléchargements |

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Tide analysis and prediction
A little late Nazmul, but I hope this answer can help to other people with the same doubt. All tidal analysis requires two inpu...

plus de 3 ans il y a | 0

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What data from mareographs do I need to perform a tide prediction in T-Tide?
Hi Alexandria, It's little late to reply your message, but I hope this message can help to other people with the same doubt. I...

plus de 3 ans il y a | 0

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Math lab tool for calculating of Tide
Hi Indika, if you have a water level record of 12 years, you can use the Rich Pawlowicz's T-Tide Matlab toolbox to analyze your...

plus de 3 ans il y a | 1

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Amount of rain and precipitation simulation
In order to give you an idea, you should check the algorithm of: Intensity duration frequency curves or check this book: Arag...

presque 4 ans il y a | 0

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Exporting HYCOM currents data to txt and mat files
Downloading sea currents components currents of a point dataset from HYCOM dataset, using an OpeNDAP URL.

presque 4 ans il y a | 1 téléchargement |

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Downloading HYCOM data using Matlab and OPeNDAP
HI Amitava, thanks for sharing your Powershell script. Recently, I faced off the same problem as you. Using the NCTOOLBOX (Schil...

presque 4 ans il y a | 0

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Seawater density from salinity, temperature and pressure
From practical salinity, temperature and pressure values, the seawater density is computed.

environ 4 ans il y a | 19 téléchargements |

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Gabriel Ruiz-Martinez

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