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Domanda

How to obtain curve fitting tool startpoints using code? Replicate Curve Fitter Toolbox
Hello, I am trying to fit curves to time series. I have a 100 different time series (all of different lengths) and for each of...

circa un anno fa | 3 risposte | 0

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Domanda

Optimizing for speed. Moving skewness finder. Cumulative sum proving to be bottleneck.
Hello, I have written the below provided function to calculate the moving window skewness of a time series. To find out where ...

oltre un anno fa | 1 risposta | 0

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Domanda

Skewness calculator using one pass algorithm. Code speed up needed.
Hello, I am using a one pass algorithm to calculate skewness. My code is as follows: n = 10000000; timeseries = randi(1000, 1...

oltre un anno fa | 2 risposte | 0

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Domanda

Moving window Autocorrelation. One pass algorithm. Speed and Stability concerns.
Hello, I have a timeseries for which I want to generate a 'moving window autocorrelation at lag 1' series using a window of siz...

oltre un anno fa | 2 risposte | 0

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Domanda

Moving skewness/kurtosis/rms/autocorrelation for time series. Fast Implementation.
Hello, I want a really really fast implementation of computing a moving window skewness over my timeseries as I have to do this...

oltre un anno fa | 2 risposte | 0

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Domanda

Fastest way to load data.
Hello, I have an array of size ~320 Mb that I want to store in a file such that the loading afterwards is as fast as possible. ...

oltre un anno fa | 1 risposta | 0

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Domanda

Replace all rows of an array not equal to any row of another array by a particular row vector
I import an image and have ordered the rgb values in a n-by-3 array with columns as r, g, b respectively. This is named: color_...

oltre un anno fa | 1 risposta | 0

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Domanda

Make array with elements repeating as many times as specified in another list.
I have a cell array of vectors, where each vector is of a different length. Something like (but much larger): a{1} = [1, 2, 4];...

oltre un anno fa | 3 risposte | 1

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Domanda

Updating variable inside parfor
Hello, I have a variable that I want to update inside a parfor loop: a = 1; parfor i = 1: 10 a = a + 1; disp(a); e...

oltre un anno fa | 2 risposte | 0

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Domanda

How to plot a very large number of individual points
I have several vectors (240) each of different length. Now for each entry of any vector I wish to plot: 1) A filled 'o' if the...

oltre un anno fa | 1 risposta | 0

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Domanda

Regarding Modified Mann-Kendall test code from File Exchange
I am trying to understand the following code from File Exchange: Mann-Kendall Modified test The author is no longer active it s...

circa 2 anni fa | 1 risposta | 0

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Domanda

How to add a particular font to path with toolbox?
I have created a toolbox called Professional Plots. I wish to implement 'Nunito' Font with this toolbox, that is when the user ...

circa 2 anni fa | 1 risposta | 0

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Domanda

Symbolic Sum to find a general expression for arbitrary n terms and arbitrary variable definitions
Hello, I have a need to add some terms defined using an index for the index running from 1 to and arbitrary number n. I have eq...

circa 2 anni fa | 1 risposta | 0

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Domanda

Can the symbolic toolbox be used to derive results for arbitrary number n?
I wish to do some calculations for my research for a general number n, but the calculations are hellishly long. I was wondering ...

circa 2 anni fa | 1 risposta | 0

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Domanda

Making Smoother the Curve fit to Airfoil data using cscvn function
Hello I am using the following code to fit a curve to the following data % Get the coordinates of the airfoil - airfoiltools....

circa 2 anni fa | 1 risposta | 0

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Domanda

File Exchange google scholar.
I had released a file on File Exchange; Professional Plots, which now has over 800 downloads. Can I add this on my google schol...

oltre 2 anni fa | 0 risposte | 0

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Domanda

First element of vector becoming equal to last element automatically?!?
I am using the following code to solve the laplace equation. The issue I am facing is that the first element of norm_err which ...

quasi 3 anni fa | 0 risposte | 0

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Domanda

Why does plot quality reduce when plotting line and scatter together?
I am using plot3() and scatter3() together and the quality of the plot is reducing. The plot becomes a bit pixelated. % Code sn...

quasi 3 anni fa | 1 risposta | 0

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Domanda

Solving a system of Linear Equations with constraints. Using Symbolic math.
I have the following system of equations with a constraint: n equations with n unknowns Here are all known. (Its a known ...

circa 3 anni fa | 2 risposte | 0

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Domanda

Solve system of Linear Equations with Constraints.
I have the following system of equations with a constraint: n equations with n unknowns Here are all known. (Its a known ...

circa 3 anni fa | 1 risposta | 0

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Domanda

How to Cite MATLAB File Exchange file using Bibtex?
I want to cite the following file from MATLAB File Exchange: Professional_Plots Is there a way to generate bibtex for this?

circa 3 anni fa | 1 risposta | 0

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Domanda

Commenting Code inside for loop. Orientation Issue
Normal Comment: % my_var = 20 Commenting using Ctrl+R after selecting whole for loop: % for i = 1:10 % disp('This is n...

circa 3 anni fa | 1 risposta | 2

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Domanda

log2() only works with double types?
log2() seems to only work with 'double' types. It throws error when argument is int64. num = 10000; d = floor(num / 7); a =...

circa 3 anni fa | 1 risposta | 0

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Domanda

Problem using fft();
I have a periodic signal with TimePeriod~2.3 that is f~.4347 But I am getting another peak at f = 0. load('myData.mat'); fi...

circa 3 anni fa | 1 risposta | 0

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How to improve plot in MATLAB?
Please refer the following Plotting Template: Professional Plots The above is an easy to follow Beginner Friendly template. T...

circa 3 anni fa | 0

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Improving Presentation of a Graph
Please refer the following Plotting Template: Professional Plots The above is an easy to follow Beginner Friendly template. T...

circa 3 anni fa | 0

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How to make nice plots?
Please refer the following Plotting Template: Professional Plots The above is an easy to follow Beginner Friendly template. T...

circa 3 anni fa | 0

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Making plots look beautiful
Please refer the following Plotting Template: Professional Plots The above is an easy to follow Beginner Friendly template. T...

circa 3 anni fa | 0

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How to make high quality, 'publishable' plots
Please refer the following Plotting Template: Professional Plots The above is an easy to follow Beginner Friendly template. T...

circa 3 anni fa | 1

Domanda

The Problem with clc; clear; close all; ?
A few days ago someone pointed out that using: clc; clear; close all; Is considered as a case of code smell and cargo cult pro...

circa 3 anni fa | 3 risposte | 0

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