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Gabriel Ruiz-Martinez


Active since 2006

Interested in water waves, coastal and oceanographic phenomena.

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Answered
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

3 mesi ago | 0

Answered
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...

3 mesi 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 ...

3 mesi ago

Solved


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

3 mesi ago

Solved


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

3 mesi 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.

3 mesi ago

Solved


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

3 mesi 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 ...

3 mesi ago

Solved


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

3 mesi ago

Solved


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

3 mesi ago

Solved


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

3 mesi 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 = ...

3 mesi ago

Solved


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

3 mesi 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...

3 mesi 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 ...

3 mesi 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...

3 mesi 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...

4 mesi 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...

4 mesi 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...

4 mesi ago

Submitted


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

4 mesi ago | 1 download |

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Answered
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...

4 mesi ago | 0

| accepted

Answered
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...

4 mesi ago | 0

Answered
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...

5 mesi ago | 0

| accepted

Answered
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...

7 mesi 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.

7 mesi ago | 2 downloads |

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Answered
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...

7 mesi ago | 0

Submitted


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

10 mesi ago | 22 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.

10 mesi ago | 6 downloads |

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Solved


Finding Perfect Squares
Given a vector of numbers, return true if one of the numbers is a square of one of the other numbers. Otherwise return false. E...

11 mesi ago

Solved


Check if number exists in vector
Return 1 if number _a_ exists in vector _b_ otherwise return 0. a = 3; b = [1,2,4]; Returns 0. a = 3; b = [1,...

11 mesi ago

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