Answered

Image doesn't display correctly when using global variable

I'm not sure why using/not using global variables results in this behavior, but if you are using a GUI you could do the followin...

Image doesn't display correctly when using global variable

I'm not sure why using/not using global variables results in this behavior, but if you are using a GUI you could do the followin...

10 years ago | 0

Answered

How to plot on a different screen inside of a GUI ?

If I understood your question correctly, you can specify in your call to plot the axes (or "screen") in which you want your plot...

How to plot on a different screen inside of a GUI ?

If I understood your question correctly, you can specify in your call to plot the axes (or "screen") in which you want your plot...

10 years ago | 0

| accepted

Answered

Set Axis With Interval

Maybe use XTick: set(gca,'XLim',[2 4]) set(gca,'XTick',(2:0.15:4))

Set Axis With Interval

Maybe use XTick: set(gca,'XLim',[2 4]) set(gca,'XTick',(2:0.15:4))

10 years ago | 2

| accepted

Answered

Does Wake Forest University have a license with MATLAB

I don't know if they do, but you can get a 30-day free trial from the Mathworks website <https://www.mathworks.com/programs/tria...

Does Wake Forest University have a license with MATLAB

I don't know if they do, but you can get a 30-day free trial from the Mathworks website <https://www.mathworks.com/programs/tria...

10 years ago | 0

Answered

Adjust brightness and contrast

You are probably looking for the <http://www.mathworks.com/help/images/ref/imadjust.html imadjust> command. As you can see in th...

Adjust brightness and contrast

You are probably looking for the <http://www.mathworks.com/help/images/ref/imadjust.html imadjust> command. As you can see in th...

10 years ago | 2

| accepted

Answered

Matlab FOR Loop help!

Maybe try this: month = 1:12:216; x=zeros(1,length(month)); % otherwise you have a 18*18 array x(1) = a; for...

Matlab FOR Loop help!

Maybe try this: month = 1:12:216; x=zeros(1,length(month)); % otherwise you have a 18*18 array x(1) = a; for...

10 years ago | 0

Answered

How to plot function

A lazy way would be like this: figure hold on plot((-3:0.01:1),0,(1.01:0.01:2),1,(2.01:0.01:3),2,'LineWidth',2) li...

How to plot function

A lazy way would be like this: figure hold on plot((-3:0.01:1),0,(1.01:0.01:2),1,(2.01:0.01:3),2,'LineWidth',2) li...

10 years ago | 0

Answered

Matlab Question Error! Index dimension error.

That's because x(n+1) is undefined when you enter the while loop. From what you posted x is a single digit and not a vector, so ...

Matlab Question Error! Index dimension error.

That's because x(n+1) is undefined when you enter the while loop. From what you posted x is a single digit and not a vector, so ...

10 years ago | 0

Answered

how can I display several 2D images as a 3D volume?

Do you mean like playing a movie/scrolling through your images? If so I would do the following: 1) Build a simple GUI in whic...

how can I display several 2D images as a 3D volume?

Do you mean like playing a movie/scrolling through your images? If so I would do the following: 1) Build a simple GUI in whic...

10 years ago | 0

Answered

I need the code of contourlet based steganography in matlab please

Good luck with that. You might want to Google it and look at the papers already published since people here will unlikely develo...

I need the code of contourlet based steganography in matlab please

Good luck with that. You might want to Google it and look at the papers already published since people here will unlikely develo...

10 years ago | 0

Answered

fzero function calculating all zeros within interval

If you have the Curve Fitting Toolbox you might want to use fnzeros <http://www.mathworks.com/help/curvefit/fnzeros.htm...

fzero function calculating all zeros within interval

If you have the Curve Fitting Toolbox you might want to use fnzeros <http://www.mathworks.com/help/curvefit/fnzeros.htm...

10 years ago | 0

Answered

Why isn't one image white and the other black according to my code

You don't cast anything as being uint8. Try: figure, imshow(uint8(a)); then it will be black

Why isn't one image white and the other black according to my code

You don't cast anything as being uint8. Try: figure, imshow(uint8(a)); then it will be black

10 years ago | 0

Answered

If-then with a range

You're almost there! clear clc M = 1:10; N = zeros(1,length(M)); for k = 1:length(M) if mod(...

If-then with a range

You're almost there! clear clc M = 1:10; N = zeros(1,length(M)); for k = 1:length(M) if mod(...

10 years ago | 0

| accepted

Answered

How can I enhance the image resolution?

Yes you can. You can select the range of pixels like this: A = imread('peppers.png'); size(A) % get the size of ...

How can I enhance the image resolution?

Yes you can. You can select the range of pixels like this: A = imread('peppers.png'); size(A) % get the size of ...

10 years ago | 0

Answered

stupid question / pass Variables in a GUI

You can use the handles structure of your GUI to store variables. eg: function GetData_Callback(hObject, eventdata, hand...

stupid question / pass Variables in a GUI

You can use the handles structure of your GUI to store variables. eg: function GetData_Callback(hObject, eventdata, hand...

10 years ago | 0

Answered

How can I have thicker axis lines on only certain values using surfc?

Here is a simple way, drawing line objects at evenly spaced locations on your axis. I generate a dummy 2D plot but you can do th...

How can I have thicker axis lines on only certain values using surfc?

Here is a simple way, drawing line objects at evenly spaced locations on your axis. I generate a dummy 2D plot but you can do th...

10 years ago | 0

Answered

How do I use sprintf to create a matrix of string and number arrays?

Following on Michael's answer, what if you try this: clear clc a = {'abea','b','c'}; b = [1 2 3]; b_cel...

How do I use sprintf to create a matrix of string and number arrays?

Following on Michael's answer, what if you try this: clear clc a = {'abea','b','c'}; b = [1 2 3]; b_cel...

10 years ago | 0

Answered

Specific image intensity for further processing.

Try this: PixelsofInterest = (YourImage == 150); % get the location of the pixels you want to analyze imshow(Pixelso...

Specific image intensity for further processing.

Try this: PixelsofInterest = (YourImage == 150); % get the location of the pixels you want to analyze imshow(Pixelso...

10 years ago | 0

Answered

sharpening image and removing noise

If you have the Image Processing Toolbox (to check if you do type 'ver' in the command window), look up "fspecial" which is very...

sharpening image and removing noise

If you have the Image Processing Toolbox (to check if you do type 'ver' in the command window), look up "fspecial" which is very...

10 years ago | 0

Answered

How can I Store all the possible combinations of columns of a matrix?

As a starting point you could store the output of the function 'perms' is a cell array, in which the kth cell cell contains all ...

How can I Store all the possible combinations of columns of a matrix?

As a starting point you could store the output of the function 'perms' is a cell array, in which the kth cell cell contains all ...

10 years ago | 0

Answered

Hi, by running this code, for 'val3-val1' it returns zero, would you please help me solve this weird problem?!

When I run your code I get -50. Did you do a clear before running the code? Here is what I used: clear clc A = ...

Hi, by running this code, for 'val3-val1' it returns zero, would you please help me solve this weird problem?!

When I run your code I get -50. Did you do a clear before running the code? Here is what I used: clear clc A = ...

10 years ago | 0

Answered

Create one figure from 2 different figures

I think you need to use hold on before the first plot and hold off after the last plot so that you get a sin...

Create one figure from 2 different figures

I think you need to use hold on before the first plot and hold off after the last plot so that you get a sin...

10 years ago | 0

Answered

Error line (350) imread pls help me solve it !!

My guess would be to explicitly add the tiff extension in the image name, which I modified: Eg: I=imread('C888.tif'); ...

Error line (350) imread pls help me solve it !!

My guess would be to explicitly add the tiff extension in the image name, which I modified: Eg: I=imread('C888.tif'); ...

10 years ago | 0

Answered

How do I connect points in a scatter plot with a line?

If you want to plot both markers and a line, you can use the plot function and specify a line style that includes marker symbols...

How do I connect points in a scatter plot with a line?

If you want to plot both markers and a line, you can use the plot function and specify a line style that includes marker symbols...

10 years ago | 3

| accepted

Answered

How to create a vector out of arrays

Try this: clear all clc Header = {'A' 'B' 'C' 'D'}; Data1 = [1 2 3 4]; Data2 = [5,6,7,8]; ...

How to create a vector out of arrays

Try this: clear all clc Header = {'A' 'B' 'C' 'D'}; Data1 = [1 2 3 4]; Data2 = [5,6,7,8]; ...

10 years ago | 0

Answered

Turning HitTest off for imrect

What if you inverse the order of Children in your axes? Basically you would send the rectangle at the "back" of the current axis...

Turning HitTest off for imrect

What if you inverse the order of Children in your axes? Basically you would send the rectangle at the "back" of the current axis...

10 years ago | 1

Answered

Permute a vector by a specific ordering

You're almost there! Try this: [a b] = sort(x) y = y(b) y = 0.2000 0.5000 0.6000 0.300...

Permute a vector by a specific ordering

You're almost there! Try this: [a b] = sort(x) y = y(b) y = 0.2000 0.5000 0.6000 0.300...

10 years ago | 0

Answered

Intersection of two sets keeping all intersected values

Try this: a(ismember(a,b)) ans = 1 3 6 6 6 6 appears 3 times since it is at 3 locatio...

Intersection of two sets keeping all intersected values

Try this: a(ismember(a,b)) ans = 1 3 6 6 6 6 appears 3 times since it is at 3 locatio...

10 years ago | 0

Answered

How to divide x and y axis in graph ?

Do you mean plot a different axis which is n times shorter? Doing x/n and/or y/n should do it. Maybe I misunderstood your questi...

How to divide x and y axis in graph ?

Do you mean plot a different axis which is n times shorter? Doing x/n and/or y/n should do it. Maybe I misunderstood your questi...

10 years ago | 0

Answered

How can I convert many .m files in a single file.exe?

When you deploy them with MCR you will be asked to include any .m file/.fig file that you want to include in your executable so ...

How can I convert many .m files in a single file.exe?

When you deploy them with MCR you will be asked to include any .m file/.fig file that you want to include in your executable so ...

10 years ago | 0