Answered

Plot symbolic function and non symbolic functions on the same plot?

Here is a simple example: figure fplot(@(x) sin(x), [-pi, pi]) hold on x = linspace(-pi, pi, 25); plot(x, sin(x), 'rd') le...

Plot symbolic function and non symbolic functions on the same plot?

Here is a simple example: figure fplot(@(x) sin(x), [-pi, pi]) hold on x = linspace(-pi, pi, 25); plot(x, sin(x), 'rd') le...

2 months ago | 0

Answered

How to use imwrite with image object?

You can try this command, e.g.: imwrite(double(im),filename)

How to use imwrite with image object?

You can try this command, e.g.: imwrite(double(im),filename)

2 months ago | 0

Answered

Sharing MATlab codes (.m files)

Have you read this nice discussion on this subject written by Loren: https://blogs.mathworks.com/loren/2021/07/15/sharing-and-r...

Sharing MATlab codes (.m files)

Have you read this nice discussion on this subject written by Loren: https://blogs.mathworks.com/loren/2021/07/15/sharing-and-r...

2 months ago | 0

Answered

How do I smooth a curve on a surf plot?

You can try smoothdata() with Gaussian, e.g.: X = load('DFF_vals.mat'); Y = load('ZFF_vals.mat'); Z = load('Fin.mat'); Zsmoo...

How do I smooth a curve on a surf plot?

You can try smoothdata() with Gaussian, e.g.: X = load('DFF_vals.mat'); Y = load('ZFF_vals.mat'); Z = load('Fin.mat'); Zsmoo...

2 months ago | 0

Answered

HELP: Index in position 2 is invalid. Array indices must be positive integers or logical values.

Your fcn file straighten.m that contains one crucial mistake, i.e.: The command in it on line 10 has a conflict: IM2(:,:,ct)=...

HELP: Index in position 2 is invalid. Array indices must be positive integers or logical values.

Your fcn file straighten.m that contains one crucial mistake, i.e.: The command in it on line 10 has a conflict: IM2(:,:,ct)=...

2 months ago | 0

Answered

How to create for loop for more than 1 file in path?

You exercise can be solved using a simple for loop, e.g.: G = ["C:\...\ANOVA.xlsx"; "C:\...\Data.xlsx"; "C:\...\DAT1...

How to create for loop for more than 1 file in path?

You exercise can be solved using a simple for loop, e.g.: G = ["C:\...\ANOVA.xlsx"; "C:\...\Data.xlsx"; "C:\...\DAT1...

2 months ago | 0

Answered

assigning element in 3D matrix

First of all, you need to close the loops with "end" in your code, i.e.: nz =3; nx=2; ny=3; Tz_D = zeros(nx,ny,nz); mobil...

assigning element in 3D matrix

First of all, you need to close the loops with "end" in your code, i.e.: nz =3; nx=2; ny=3; Tz_D = zeros(nx,ny,nz); mobil...

2 months ago | 0

| accepted

Answered

How can I solve the italicized equation for the matrix gamma_e, gamma_s and d1 ?

By a quick glance, one sees that there are a couple of points to be fixed in the 2nd loop, i.e.: ... for didx1 = 1:num_d1 ...

How can I solve the italicized equation for the matrix gamma_e, gamma_s and d1 ?

By a quick glance, one sees that there are a couple of points to be fixed in the 2nd loop, i.e.: ... for didx1 = 1:num_d1 ...

2 months ago | 0

Answered

cosine estimate taylor series

Here is the corrected code: ang = '045-00-00'; k = 2; res = cosineEstimate(ang, k) function res = cosineEstimate(ang, k) ...

cosine estimate taylor series

Here is the corrected code: ang = '045-00-00'; k = 2; res = cosineEstimate(ang, k) function res = cosineEstimate(ang, k) ...

3 months ago | 0

Answered

Mass Spring System ode45 with multiple damping values

It is realtively easy to attain the issues of solving the exercises for all damping values and plot them all with appropriate le...

Mass Spring System ode45 with multiple damping values

It is realtively easy to attain the issues of solving the exercises for all damping values and plot them all with appropriate le...

3 months ago | 0

| accepted

Answered

Arduino Support Package not installing after installation

Have you tried to hook up Arduino board to your computer via USB to see if your MATALB package shows up a message saying "Arduin...

Arduino Support Package not installing after installation

Have you tried to hook up Arduino board to your computer via USB to see if your MATALB package shows up a message saying "Arduin...

3 months ago | 0

Answered

Signal generation on Simulink?

This modulation signal can be generated using the following Simulink model and/or this M-ffile: fs = 5000; ...

Signal generation on Simulink?

This modulation signal can be generated using the following Simulink model and/or this M-ffile: fs = 5000; ...

3 months ago | 0

Answered

Can you both exclude outliers from a fit and use robust weighting for the remaining data?

In your exercise, if it is known which part to include in the fit simulation and which part to exclude, then you can use just ap...

Can you both exclude outliers from a fit and use robust weighting for the remaining data?

In your exercise, if it is known which part to include in the fit simulation and which part to exclude, then you can use just ap...

3 months ago | 1

Answered

Can MATLAB save the Profiler results table (Function Name, Calls, etc.) to a text file or a spreadsheet?

You can try this fcn - extracthmltext() to extract the data from html formatted file: https://www.mathworks.com/help/textanalyt...

Can MATLAB save the Profiler results table (Function Name, Calls, etc.) to a text file or a spreadsheet?

You can try this fcn - extracthmltext() to extract the data from html formatted file: https://www.mathworks.com/help/textanalyt...

3 months ago | 0

Answered

How to distinguish specific nodes in an undirected graph ?

Here one potential err in your code is logical (==). One can determine when the value of a variable goes to infinity with this f...

How to distinguish specific nodes in an undirected graph ?

Here one potential err in your code is logical (==). One can determine when the value of a variable goes to infinity with this f...

3 months ago | 0

Answered

Can MATLAB save the Profiler results table (Function Name, Calls, etc.) to a text file or a spreadsheet?

Yes, it can be done realtively easy with profsave(profile()), e.g.: profile on x = linspace(0, 1, 2e3); y = sin(2...

Can MATLAB save the Profiler results table (Function Name, Calls, etc.) to a text file or a spreadsheet?

Yes, it can be done realtively easy with profsave(profile()), e.g.: profile on x = linspace(0, 1, 2e3); y = sin(2...

3 months ago | 0

Answered

Error when importing STL file into Matlab

If you want to create a geometry using some edge coordinates, then hit this help: doc geometryFromEdges % Explains via a good s...

Error when importing STL file into Matlab

If you want to create a geometry using some edge coordinates, then hit this help: doc geometryFromEdges % Explains via a good s...

3 months ago | 0

| accepted

Answered

How can I load all these images using a for loop

It can be achieved something like this one: for ii = 1:55 FN = strcat('VIV_frames\ezgif-frame-',num2str(ii), '.jpg'); ...

How can I load all these images using a for loop

It can be achieved something like this one: for ii = 1:55 FN = strcat('VIV_frames\ezgif-frame-',num2str(ii), '.jpg'); ...

3 months ago | 0

| accepted

Answered

How do I make tick marks longer?

Use these, e.g.: plot(x, y); ax=gca; ax.TickLength = [0.05 0.05]; shg

How do I make tick marks longer?

Use these, e.g.: plot(x, y); ax=gca; ax.TickLength = [0.05 0.05]; shg

3 months ago | 0

| accepted

Answered

Error when importing STL file into Matlab

You are missing one important part in your command, see e.g.: pdem = createpde(); % Missing GM = importGe...

Error when importing STL file into Matlab

You are missing one important part in your command, see e.g.: pdem = createpde(); % Missing GM = importGe...

3 months ago | 0

Answered

IIR Band Pass Filter Design for Signal Noise Cancellation

This is quite stratightforward issue. You can design a band-pass filter using the help given here: https://www.mathworks.com/hel...

IIR Band Pass Filter Design for Signal Noise Cancellation

This is quite stratightforward issue. You can design a band-pass filter using the help given here: https://www.mathworks.com/hel...

3 months ago | 0

| accepted

Answered

Error when running run section

In general, executing the cell modes of scripts is more sensitive on syntax errors made in other sections sections of the code. ...

Error when running run section

In general, executing the cell modes of scripts is more sensitive on syntax errors made in other sections sections of the code. ...

3 months ago | 0

| accepted

Answered

Optimization of transfer function

Hi, There are two realtively easy ways to obtain those parameters' estimate values. (1) Using system identification toolbox...

Optimization of transfer function

Hi, There are two realtively easy ways to obtain those parameters' estimate values. (1) Using system identification toolbox...

3 months ago | 0

Answered

how to substitute symbolic equation into symbolic equation, and to reorganize symbolic equations

There are a couple of points in the code to be corrected and then you can get an analytical solution expressed in terms of other...

how to substitute symbolic equation into symbolic equation, and to reorganize symbolic equations

There are a couple of points in the code to be corrected and then you can get an analytical solution expressed in terms of other...

4 months ago | 0

Answered

Is it possible to get multiple 0s from fzero?

In your exercise, ie. a polynomial, the first try is roots() and then fzero() with different intervals can be an option for real...

Is it possible to get multiple 0s from fzero?

In your exercise, ie. a polynomial, the first try is roots() and then fzero() with different intervals can be an option for real...

4 months ago | 0

| accepted

Answered

How to delete more than one point from data array in loop?

If understood your question and you want to delete specific data rows, then you had better step your code somewhat in this manne...

How to delete more than one point from data array in loop?

If understood your question and you want to delete specific data rows, then you had better step your code somewhat in this manne...

4 months ago | 1

Answered

Export certain cells of a structure into a table (.csv file)

One quick solution with your large data to separate them and write to an external file is the following in the example of two fi...

Export certain cells of a structure into a table (.csv file)

One quick solution with your large data to separate them and write to an external file is the following in the example of two fi...

4 months ago | 0

Answered

how to plot this equation ?

Here you'd need to define the purpose of using GF. If you are aiming to select any randomly selected values of GF while comput...

how to plot this equation ?

Here you'd need to define the purpose of using GF. If you are aiming to select any randomly selected values of GF while comput...

4 months ago | 0

| accepted

Answered

Curve Fitting an equation

You can try using a rational polynomial fit in this exercise if the variable x is also present in the denominator.

Curve Fitting an equation

You can try using a rational polynomial fit in this exercise if the variable x is also present in the denominator.

4 months ago | 0

Answered

How to add a .png image to be published as a pdf output file

% Use a proper image read command: image(imread('https://www.mathworks.com/help/examples/matlab/win64/ReadandDisplayImageExampl...

How to add a .png image to be published as a pdf output file

% Use a proper image read command: image(imread('https://www.mathworks.com/help/examples/matlab/win64/ReadandDisplayImageExampl...

4 months ago | 0