Domanda

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...

oltre 4 anni fa | 1 risposta | 0

Domanda

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...

oltre 4 anni fa | 0 risposte | 0

Domanda

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); ...

oltre 4 anni fa | 1 risposta | 1

Domanda

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) ...

oltre 4 anni fa | 1 risposta | 0

Domanda

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...

oltre 4 anni fa | 0 risposte | 0

Domanda

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...

oltre 4 anni fa | 1 risposta | 0

Domanda

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...

oltre 4 anni fa | 1 risposta | 0

Domanda

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...

oltre 4 anni fa | 1 risposta | 0

Domanda

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...

oltre 4 anni fa | 1 risposta | 0

Domanda

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...

oltre 4 anni fa | 1 risposta | 0

Domanda

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...

oltre 4 anni fa | 0 risposte | 0

Domanda

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...

oltre 4 anni fa | 1 risposta | 0

Domanda

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...

quasi 5 anni fa | 1 risposta | 0

Domanda

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...

quasi 5 anni fa | 1 risposta | 0

Domanda

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...

quasi 5 anni fa | 0 risposte | 0

Domanda

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

quasi 5 anni fa | 1 risposta | 0

Domanda

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...

quasi 5 anni fa | 1 risposta | 0

Domanda

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...

quasi 5 anni fa | 1 risposta | 0