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Last seen: 4 giorni fa Attivo dal 2023

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Domanda

Plotting a single contour to divide a region into two
In the figure I attached, I have oscillatory region and non-oscillatory region. Pleas how can I plot a single contour line that ...

circa 2 mesi fa | 1 risposta | 0

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Domanda

Why fft don't find oscillations ?
I'm trying to find an FTT of an oscillatory data. In the first figure, you can observed an isolated white region. In this region...

2 mesi fa | 0 risposte | 0

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Domanda

Find the roots of transcendental algebraic equations
Hello, I have a transcendental equation that has real and imaginary roots. I used MAPLE to solve the algebraic equation but it M...

2 mesi fa | 0 risposte | 0

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Domanda

Parameter estimation of SEIHRDBP model
% I am back please. I have gotten the data correct data with date. The whole idea is that I want the parameter estimation for pa...

3 mesi fa | 1 risposta | 0

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Domanda

Parameter estimation of SEIHRDBP model
% I want simulate "parameter estimation of SEIHRDBP Model", where % S=susceptible, E=exposed, I=infected, H=hospitalised, R=rec...

3 mesi fa | 1 risposta | 0

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Domanda

How to find corresponding frequencies for frequency magnitudes in FFT analysis
% I computed the fft for 10 values of xi and % 10 values of l as shown below. I am trying to determine which values % of xi an...

3 mesi fa | 1 risposta | 0

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Domanda

How to add a legend for multiple figures with horizontal and south location
% Please how can add one legends for the subplots. I want the legend % location to south and horizontal. I also want to break t...

3 mesi fa | 1 risposta | 0

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Domanda

I am tried load multiple structures from a folder but I got a error below: filepath = '..\sol_active_case11\'; mydata = dir...

3 mesi fa | 1 risposta | 0

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Domanda

The logical indices contain a true value outside of the array bounds
Please, how can I tackle "The logical indices contain a true value outside of the array bounds" error? I don't what exactly is t...

3 mesi fa | 1 risposta | 0

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Domanda

The logical indices contain a true value outside of the array bounds
I am trying to test the following conditions: if intabsul == absintul && intabsur==absintur returns the corresponding entries...

3 mesi fa | 1 risposta | 0

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Domanda

How to return corresponding entries of an array using if statement
Please how can I handle this: I want to use if statement such that if intabsul == absintul && intabsur==absintur returns th...

3 mesi fa | 1 risposta | 0

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Domanda

x or y intercept for 2D data
I have a 2D data of the form u(y, xi, l). Ie., 31x20x20, where 31 are values of y, 20 are u values that corresponds to 20 xi val...

3 mesi fa | 0 risposte | 0

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Domanda

How to make contour to have the same axes
I have a two different plots with 2 different axes. The second plot (fig2) is extracted from the first plot (fig1). Please how ...

3 mesi fa | 0 risposte | 0

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Domanda

Why is matlab printing all number of digit.
Please why matlab displaying all the number of digits on the y axis. See the attached figure, the code below produces the fiugre...

3 mesi fa | 2 risposte | 0

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Domanda

How to make an axis two different plots the same using the aspect ratio and how to set the contour colors the same.
How to make an axis these two different plots the same using the aspect ratio and how to set the contour colors the same? Althou...

3 mesi fa | 1 risposta | 0

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Domanda

How to match colors of an extracted contour with the colors of the main figure?
I extracted the region for activity, xi = linspace(58, 115) and l=(1.24787e-06, 2.42592e-06) from the figure attached, which is ...

4 mesi fa | 1 risposta | 0

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Domanda

How to display contour levels for some specific levels
Is it possible to display contour levels for some specific values? Z = peaks; figure [C,h] = contour(Z,8); clabel(C,h) t...

4 mesi fa | 1 risposta | 0

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Domanda

PLOT SYMBOLS/MARKER FOR TWO SET OF ARRAYS IN A CONTOUR
Hi, I have two set of arrays: xi = linspace(0, 100, 10); L =linspace(0, 0.0001, 10); and a matrix: intul and I have...

4 mesi fa | 1 risposta | 0

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Domanda

Hi, Lvals = 1:10; xivals = 1:10; % tarray = 1:20; nt = length(tarray); % lxi =length(Lvals); nxi =length(xivals); % ...

6 mesi fa | 1 risposta | 0

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Domanda

Finding x intercept for 2D data
Hi, Please how can i find x intercept at y=0 for 2D array. For instance, I have V which is loop over xi=0:1:10 and l=0:0.1:1....

6 mesi fa | 1 risposta | 0

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Domanda

sorting list of structures in a structure
I have a list of structures in a structure. I tried this: %% Load data matpath = 'C:\Users\..; mydata = dir(fullfile(matp...

6 mesi fa | 1 risposta | 0

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Domanda

How to find same values in an array and their index
Hi, I have array with some repeated values. I have 1e-6 repeatedly. How can I have find all the values and their correspondin...

6 mesi fa | 1 risposta | 0

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Domanda

How to find the position index of vector array
Hi, I have meshgrid on X1 and and Y1 but I have attached only the X1 and x1 and y1 files l=6.6667e-6, l is a line that divides...

6 mesi fa | 1 risposta | 0

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Domanda

common legend and common for multiple plots
Hi, Please how can include common axes and legend for multiple plots without doing it individually? % Use LaTeX fonts set(gca...

7 mesi fa | 1 risposta | 1

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Domanda

What is different between FFT and SHIFTFFT
Please can someone explain why this code : fftshift(fft((x - mean(x)).*hann(L), NFFT)/sum(hann(L))) is better than fftshift...

7 mesi fa | 1 risposta | 0

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Domanda

Finding y-intercept for loop
Hi, In the m.uvals file I 24 x 1 x 31 matrix, 24 are the index of xivals and 31 are the values of u and m.array file is the y...

7 mesi fa | 1 risposta | 0

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Domanda

How can I find the peak location from the FFT output?
Hi, Please, how can I find the peak location from the FFT output? I have attached my m file

7 mesi fa | 1 risposta | 0

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Domanda

Saving multiple files in one folder
Hi, Please how can I save multiple figurea as png into a single folder? I tried this although is "fig" but it only save the last...

7 mesi fa | 1 risposta | 0

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Domanda

Load multiple files one by one into a subfolder or Extract data from strut
Hi, How can I load multiple files from a subfolder without merging them into a strut. ? or I have a .mat files in a folder...

7 mesi fa | 1 risposta | 0

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Domanda

Extracting data from figure
Hi, Please how can I extract data from 2D contour at x=0 and y=0 and and use the data to plot a line plot of plot(extracted d...

7 mesi fa | 1 risposta | 0

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