Community Profile # Gabriel Ruiz-Martinez

Active since 2006

Interested in water waves, coastal and oceanographic phenomena.

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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.

4 mesi ago | 4 downloads | Submitted

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 ...

9 mesi ago | 2 downloads |

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

circa un anno ago | 0

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...

circa un anno ago | 0

Solved

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 ...

circa un anno ago

Solved

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

circa un anno ago

Solved

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

circa un anno ago

Solved

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

circa un anno ago

Solved

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

circa un anno ago

Solved

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 ...

circa un anno ago

Solved

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

circa un anno ago

Solved

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

circa un anno ago

Solved

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

circa un anno ago

Solved

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 = ...

circa un anno ago

Solved

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

circa un anno ago

Solved

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...

circa un anno ago

Solved

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

circa un anno ago

Solved

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...

circa un anno ago

Solved

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...

circa un anno ago

Solved

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...

circa un anno ago

Solved

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...

circa un anno ago

Submitted

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

circa un anno ago | 3 downloads | 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...

circa un anno ago | 0

| accepted

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...

circa un anno ago | 0

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...

circa un anno ago | 0

| accepted

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...

oltre un anno ago | 0

| accepted

Submitted

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.

oltre un anno ago | 7 downloads | HI Amitava, thanks for sharing your Powershell script. Recently, I faced off the same problem as you. Using the NCTOOLBOX (Schil...

oltre un anno ago | 0

Submitted

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

oltre un anno ago | 21 downloads |

Submitted

Water Salinity from Pressure and Conductivity of the water
A simple script which computes the water salinity from pressure and conductivity of water data.

oltre un anno ago | 6 downloads | 