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Resolution of a second-order differential equation for different regions controlled by an external parameter
Hello everyone I am trying to perform a time integration to a second-order differential equation numerically. The objective i...

4 years ago | 1 answer | 0

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answer

Question


Curve fitting to a non-linear created equation
Hello everyone I have a doubt concerning a fitting that I am trying to obtain. Suppose my independent variable is called "spa...

4 years ago | 0 answers | 0

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answers

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Solve numerically a system of first-order differential equations
Hello everyone, I have the following set of coupled first-order differential equations: a*x'/z+y'=b; x'/z-a*y'=c*sin(2*y); ...

4 years ago | 1 answer | 1

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Question


Smoothing of noisy data
Hello everyone, I want to smooth my data, which looks like It is possible to see a trend, more or less. Using smooth(data) ...

4 years ago | 1 answer | 0

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Frequency extraction of multiple monochromatic waves from a multidimensional array
Hello everyone, I describe what files I have attached in this question (see them here: https://wetransfer.com/downloads/b1b57...

4 years ago | 0 answers | 0

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Save an array with multiple rows and columns in .txt file
Hello everyone, my question is very simple. I have a big array (30001x2434 elements), and I want to save all the data in .txt...

5 years ago | 1 answer | 0

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Question


Creation of a .dat files in a for loop
Hello everyone, I am trying to do the following. Let's imagine that you have the following arrays: mx_inelastic (30001x2434 e...

5 years ago | 1 answer | 0

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Question


Phase diagram of a second-order differential equation
Hello everyone I have solved a second-order differential equation, and as a result of it I have obtained the values of an ang...

5 years ago | 1 answer | 0

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Question


Damped harmonic oscillator fitting
Hello everyone, I am trying to fit my data to a damped harmonic oscillator with functional form: mx=A*cos(omega*time-phi)*exp...

5 years ago | 1 answer | 0

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How to save the value of some variables in a .dat file inside a nested loop in the function environment
Hello everyone, I am trying to create a .dat file on each for loop of a function enviroment file. The code looks like: for...

5 years ago | 1 answer | 0

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Concatenation of three-dimensional arrays
Hello everyone, I am trying to concatenate two three-dimensional arrays inside of a double for loop: for i=1:length(Tempe...

5 years ago | 0 answers | 0

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ode45 inside a nested loop
Hello everyone, My situation is the following. I want to solve a second-order differential equation, where the parameters inv...

5 years ago | 1 answer | 0

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Question


Solve a second-order differential equation with constant parameters changing through an external parameter
Hello everyone, I know that this a very vague question, but I am quite lost in this aspect, so I am asking for some help to b...

5 years ago | 1 answer | 0

1

answer

Question


Create a .avi through VideoWriter
Hello everyone, I am trying to replicate the approach given in this example: https://es.mathworks.com/matlabcentral/answers/7...

5 years ago | 1 answer | 0

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How to deal properly with a fitting to a non-linear curve nested in a for loop
Hello everyone, I am dealing with the following situation. I have the following arrays in my workspace: data_set_elastic (300...

5 years ago | 0 answers | 0

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Two-dimensional colormap
Hello everyone, I have the following arrays: spatial_grid(30001x1 elements), physical_time_elastic (2431x1 elements), and dat...

5 years ago | 1 answer | 0

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Redistribution of elements of various arrays into a single multidimensional one
Hello everyone, I am trying to figure it out how to associate each element of a one-dimensional array (let's call it array1), l...

5 years ago | 1 answer | 0

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How to deal with a large amount of data in MatLab and create individual data sets each 30000 elements
Hi everyone, I have a huge data set in .dat format, of about 5 GB. Of course, my computer takes a lot of time to deal with this...

5 years ago | 1 answer | 0

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