Answered

Creating a conditional variable or function such that

Try this schoolID = [1001 1001 1005 1005 1018 1018 1018]; enrollment = [22 22 29 29 22 22 22]; grps = findgroups(schoolID)...

Creating a conditional variable or function such that

Try this schoolID = [1001 1001 1005 1005 1018 1018 1018]; enrollment = [22 22 29 29 22 22 22]; grps = findgroups(schoolID)...

environ 14 heures ago | 1

| accepted

Answered

Is matlab function distance is broken ?

You need mapping toolbox to use this function: https://www.mathworks.com/products/mapping.html

Is matlab function distance is broken ?

You need mapping toolbox to use this function: https://www.mathworks.com/products/mapping.html

environ 15 heures ago | 0

| accepted

Answered

How to know results

Your current code does not solve the problem, as you described. You need to use for-loop a=2, c=1, d=2 , g=0.5, k=2 , f=2 e=[...

How to know results

Your current code does not solve the problem, as you described. You need to use for-loop a=2, c=1, d=2 , g=0.5, k=2 , f=2 e=[...

1 jour ago | 0

| accepted

Answered

load txt file in matrix into matlab

As Madhan mentioned that you might want to load it as symbolic, you may try str = fileread('test.txt'); words = regexp(str, '\...

load txt file in matrix into matlab

As Madhan mentioned that you might want to load it as symbolic, you may try str = fileread('test.txt'); words = regexp(str, '\...

1 jour ago | 0

Answered

Problem with definite Integral

If you check at the expression of 'f', you can see it also has 't'. So even if you try to numerically integrate it w.r.t. 'r' an...

Problem with definite Integral

If you check at the expression of 'f', you can see it also has 't'. So even if you try to numerically integrate it w.r.t. 'r' an...

1 jour ago | 0

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Answered

How can I update gauge value display during a function?

Use drawnow for i=1:100 app.Gage.Value=i; drawnow % code

How can I update gauge value display during a function?

Use drawnow for i=1:100 app.Gage.Value=i; drawnow % code

2 jours ago | 0

Answered

Problem with playing audio file from App Designer

I think you have named your own app "audioplayer". You can check it using which audioplayer If it shows the path your .mlapp f...

Problem with playing audio file from App Designer

I think you have named your own app "audioplayer". You can check it using which audioplayer If it shows the path your .mlapp f...

2 jours ago | 0

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Answered

How to bypass empty fields in structure when loading data?

Use isstruct(): https://www.mathworks.com/help/releases/R2020a/matlab/ref/isstruct.html. For example, use the following if condi...

How to bypass empty fields in structure when loading data?

Use isstruct(): https://www.mathworks.com/help/releases/R2020a/matlab/ref/isstruct.html. For example, use the following if condi...

2 jours ago | 0

Answered

How to publish symbolic matrices in latex format in MATLAB?

You may try Live scripts. It renders the symbolic matrices in mathematical notation and allows you to get latex code directly. F...

How to publish symbolic matrices in latex format in MATLAB?

You may try Live scripts. It renders the symbolic matrices in mathematical notation and allows you to get latex code directly. F...

2 jours ago | 0

Answered

Share function output within callback with another callback in App Designer

You can do so using properties. Switch to code view, and on the toolbar, click the "Property" button to add a new property to yo...

Share function output within callback with another callback in App Designer

You can do so using properties. Switch to code view, and on the toolbar, click the "Property" button to add a new property to yo...

2 jours ago | 1

Answered

How to plot 3 different data in contour or pcolor ?

p = pcolor(dt, nw_bin, sizdist) shading interp xlabel('x'); ylabel('y'); colorbar

How to plot 3 different data in contour or pcolor ?

p = pcolor(dt, nw_bin, sizdist) shading interp xlabel('x'); ylabel('y'); colorbar

2 jours ago | 1

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Answered

How to extract data from simulink to work space in matlab?

Try "To workspace" block: https://www.mathworks.com/help/releases/R2020a/simulink/slref/toworkspace.html

How to extract data from simulink to work space in matlab?

Try "To workspace" block: https://www.mathworks.com/help/releases/R2020a/simulink/slref/toworkspace.html

3 jours ago | 0

Answered

How to fit the data with 2 term power law function?

taking log() of the equation make it very easy to find the parameter (because the equation is linear in term of a and b). Try th...

How to fit the data with 2 term power law function?

taking log() of the equation make it very easy to find the parameter (because the equation is linear in term of a and b). Try th...

3 jours ago | 0

| accepted

Answered

How can I make variable value instead of constant one?

You need to use element-wise operators a = 1.27; b = 0.19 ; c = 0.44 ; d = 0.2 ; e = 300 ; f = 5*10^21 ; g = 2*10^23 ; h = 1.2 ...

How can I make variable value instead of constant one?

You need to use element-wise operators a = 1.27; b = 0.19 ; c = 0.44 ; d = 0.2 ; e = 300 ; f = 5*10^21 ; g = 2*10^23 ; h = 1.2 ...

3 jours ago | 0

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Answered

Not effective validation algorithm for input format

Try this vx=zeros(1,4); vy=zeros(1,4); vertices=['A'; 'B'; 'C'; 'D']; fprintf('\nPlease enter the coordinates of vertices:\n...

Not effective validation algorithm for input format

Try this vx=zeros(1,4); vy=zeros(1,4); vertices=['A'; 'B'; 'C'; 'D']; fprintf('\nPlease enter the coordinates of vertices:\n...

3 jours ago | 0

| accepted

Answered

Separating string element by two and creating a vector in Simulink

See the attached file (created in R2019b). The following image also shows the block needed to do the conversion.

Separating string element by two and creating a vector in Simulink

See the attached file (created in R2019b). The following image also shows the block needed to do the conversion.

3 jours ago | 0

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Answered

Grouping the bar graph

Try this clear all clc training=5; sheetname='Result'; freezePercent = zeros(training, 10); for i=1:training freezePe...

Grouping the bar graph

Try this clear all clc training=5; sheetname='Result'; freezePercent = zeros(training, 10); for i=1:training freezePe...

3 jours ago | 0

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Answered

Plot each image on the same figure. Use enough time increments so that the period of the largest frequency of oscillation has about 40 time increments per period

You can do something like this t = 0:0.001:10; y11 = 0.2763*cos(1.59*t) + 0.7237*cos(3.39t); y12 = % 1st equation for y2 y21...

Plot each image on the same figure. Use enough time increments so that the period of the largest frequency of oscillation has about 40 time increments per period

You can do something like this t = 0:0.001:10; y11 = 0.2763*cos(1.59*t) + 0.7237*cos(3.39t); y12 = % 1st equation for y2 y21...

3 jours ago | 0

Answered

To smooth the 3D track by using low pass or sgolay filter.

Try this a = [0 9 10 9 8 7 6 4 2 -12 4 3 5 8 7 11 14 6 5 0 -4 -3 -15 -11 -9 -4 0]; b = [0 0 5 10 2 10 7 12 6 12 14 20 18 12 17...

To smooth the 3D track by using low pass or sgolay filter.

Try this a = [0 9 10 9 8 7 6 4 2 -12 4 3 5 8 7 11 14 6 5 0 -4 -3 -15 -11 -9 -4 0]; b = [0 0 5 10 2 10 7 12 6 12 14 20 18 12 17...

3 jours ago | 0

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Answered

hello everyone! I need to extract some data out of my table and I am facing the following problem. can anyone help?

Try this Pos = vertcat(F1.Position); f1 = Pos(:,1); f2 = Pos(:,2); f3 = Pos(:,3);

hello everyone! I need to extract some data out of my table and I am facing the following problem. can anyone help?

Try this Pos = vertcat(F1.Position); f1 = Pos(:,1); f2 = Pos(:,2); f3 = Pos(:,3);

3 jours ago | 0

| accepted

Answered

How to create an independent image after drawing a ROI

See exportgraphics(): https://www.mathworks.com/help/releases/R2020a/matlab/ref/exportgraphics.html [R2020a] saveas(): https://...

How to create an independent image after drawing a ROI

See exportgraphics(): https://www.mathworks.com/help/releases/R2020a/matlab/ref/exportgraphics.html [R2020a] saveas(): https://...

3 jours ago | 1

| accepted

Answered

Operations in structure with N fields named sequencially.

Try this y = mean(structfun(@mean, s));

Operations in structure with N fields named sequencially.

Try this y = mean(structfun(@mean, s));

4 jours ago | 0

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Answered

How to store strings in a matrix or table?

If the end goal is to write these values in excel, the following will work (R2019a and later) A = compose('a%d', reshape(1:12, ...

How to store strings in a matrix or table?

If the end goal is to write these values in excel, the following will work (R2019a and later) A = compose('a%d', reshape(1:12, ...

4 jours ago | 1

| accepted

Answered

How to derive a response plot?

See this example sys = tf(1, [1 2 10]); [y, t] = impulse(sys); dy = gradient(y, t); plot(t, y, 'r', t, dy, 'b') legend({'y'...

How to derive a response plot?

See this example sys = tf(1, [1 2 10]); [y, t] = impulse(sys); dy = gradient(y, t); plot(t, y, 'r', t, dy, 'b') legend({'y'...

4 jours ago | 1

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Answered

Contour in a 3D surface plot

contour() object have an undocumented property named ContourZLevel: https://stackoverflow.com/a/8055468/4346708. For example, [...

Contour in a 3D surface plot

contour() object have an undocumented property named ContourZLevel: https://stackoverflow.com/a/8055468/4346708. For example, [...

4 jours ago | 0

Answered

How to access elements of all field of structure in same loop

To access name filed, the following for-loop works for i =1:length(student) name{i} = student(i).name end However, for-l...

How to access elements of all field of structure in same loop

To access name filed, the following for-loop works for i =1:length(student) name{i} = student(i).name end However, for-l...

4 jours ago | 0

Answered

how to assign same value according to each subgroup

Try this M = [ 11005 1 11005 2 11006 1 11006 2 11009 1 11010 ...

how to assign same value according to each subgroup

Try this M = [ 11005 1 11005 2 11006 1 11006 2 11009 1 11010 ...

4 jours ago | 0

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Answered

How to replace any number of repeating characters in a string or character array

Something like this str = fileread('test.txt'); new_str = regexprep(str, ':\.{2,}', ',') Result new_str = 'Riots, Tips ...

How to replace any number of repeating characters in a string or character array

Something like this str = fileread('test.txt'); new_str = regexprep(str, ':\.{2,}', ',') Result new_str = 'Riots, Tips ...

4 jours ago | 0

| accepted

Answered

How to bypass a directory that is not exist?

See exist() function https://www.mathworks.com/help/releases/R2020a/matlab/ref/exist.html. Call it with with search type 'file' ...

How to bypass a directory that is not exist?

See exist() function https://www.mathworks.com/help/releases/R2020a/matlab/ref/exist.html. Call it with with search type 'file' ...

4 jours ago | 1

| accepted