Answered

how to crop a rectangle/square out of a image when four end points are given ?

In MATLAB, an image is really just a matrix. You could do something like this: m = ones(20,20,3) m(3:8,2:17,:) = 0 i...

how to crop a rectangle/square out of a image when four end points are given ?

In MATLAB, an image is really just a matrix. You could do something like this: m = ones(20,20,3) m(3:8,2:17,:) = 0 i...

9 years ago | 0

Answered

Issue with updating xlabel/ylabel

Can you save the handle of the updated label, and just change the string property?

Issue with updating xlabel/ylabel

Can you save the handle of the updated label, and just change the string property?

9 years ago | 0

Answered

Working around looping problem

Use Simulink for time based simulation. This is simple enough though that you can do this in MATLAB. Put a flag that gets to...

Working around looping problem

Use Simulink for time based simulation. This is simple enough though that you can do this in MATLAB. Put a flag that gets to...

9 years ago | 0

Answered

how to make and interface GUI and 3D model of AIRCRAFT in MATLAB SIMULINK

This will give you a start: http://blogs.mathworks.com/videos/2011/02/02/animating-an-objects-trajectory-in-matlab-with-hgtra...

how to make and interface GUI and 3D model of AIRCRAFT in MATLAB SIMULINK

This will give you a start: http://blogs.mathworks.com/videos/2011/02/02/animating-an-objects-trajectory-in-matlab-with-hgtra...

9 years ago | 1

Answered

Undefined function 'cell2str' for input arguments of type 'cell'.

There is no command cell2str in core MATLAB.

Undefined function 'cell2str' for input arguments of type 'cell'.

There is no command cell2str in core MATLAB.

9 years ago | 0

| accepted

Answered

correct syntax for appending number to word in for loop

for i = 1:10; str = ['dt' num2str(i)] end

correct syntax for appending number to word in for loop

for i = 1:10; str = ['dt' num2str(i)] end

9 years ago | 0

| accepted

Answered

how to select specific values in a matrix

>> a = magic(10) a = 92 99 1 8 15 67 74 51 58 40 98 80 7 14 ...

how to select specific values in a matrix

>> a = magic(10) a = 92 99 1 8 15 67 74 51 58 40 98 80 7 14 ...

9 years ago | 6

| accepted

Answered

How are ninja solutions even possible in Cody?

Not sure if I am using super-powers to see the leading solution that you pointed to but his is what was leading: function y...

How are ninja solutions even possible in Cody?

Not sure if I am using super-powers to see the leading solution that you pointed to but his is what was leading: function y...

9 years ago | 2

| accepted

Answered

How to display a complex number in edit in GUI?

Make a second edit box right next to it that only displays the imaginary part and is labeled with an i (or j if you are that typ...

How to display a complex number in edit in GUI?

Make a second edit box right next to it that only displays the imaginary part and is labeled with an i (or j if you are that typ...

9 years ago | 0

Answered

Rotational Movement of an object

<http://blogs.mathworks.com/videos/2011/02/02/animating-an-objects-trajectory-in-matlab-with-hgtransform/ Relevant> A video u...

Rotational Movement of an object

<http://blogs.mathworks.com/videos/2011/02/02/animating-an-objects-trajectory-in-matlab-with-hgtransform/ Relevant> A video u...

9 years ago | 0

Answered

How to consolidate rows with same value, while adding their cells?

clear d = {'date', 'precip'; '2/1', 4; '2/1', 5; '2/1', 6; '2/2', 2; '2/2', 3; '2/2', 1; '2/2',4} dates = {d{2:...

How to consolidate rows with same value, while adding their cells?

clear d = {'date', 'precip'; '2/1', 4; '2/1', 5; '2/1', 6; '2/2', 2; '2/2', 3; '2/2', 1; '2/2',4} dates = {d{2:...

9 years ago | 1

| accepted

Answered

Question about plotting a long series of lines

>> clf; tic; for i = 1:10000; h(i) = line(rand(1,2), rand(1,2)); end; toc Elapsed time is 0.933154 seconds. I respect the id...

Question about plotting a long series of lines

>> clf; tic; for i = 1:10000; h(i) = line(rand(1,2), rand(1,2)); end; toc Elapsed time is 0.933154 seconds. I respect the id...

9 years ago | 0

| accepted

Answered

Fix the position of GUI

<http://www.mathworks.com/support/solutions/en/data/1-3MY8PN/ This> might help.

Fix the position of GUI

<http://www.mathworks.com/support/solutions/en/data/1-3MY8PN/ This> might help.

9 years ago | 0

Answered

Getting the maximum value of several matrices loaded from image files.

Do not store the images in cells. Just load each in turn, get the maximum value. Compare this maximum value to the previously ...

Getting the maximum value of several matrices loaded from image files.

Do not store the images in cells. Just load each in turn, get the maximum value. Compare this maximum value to the previously ...

9 years ago | 1

Answered

How do I open a GUI from a GUI?

This <http://www.mathworks.com/help/matlab/creating_guis/making-multiple-guis-work-together.html documentation link> might help....

How do I open a GUI from a GUI?

This <http://www.mathworks.com/help/matlab/creating_guis/making-multiple-guis-work-together.html documentation link> might help....

9 years ago | 0

Answered

how to plot histogram of hue value in polar ?

<</matlabcentral/answers/uploaded_files/4325/colorWheel.jpg>> clear clc clf z = peaks(300); r = z(:,150);...

how to plot histogram of hue value in polar ?

<</matlabcentral/answers/uploaded_files/4325/colorWheel.jpg>> clear clc clf z = peaks(300); r = z(:,150);...

9 years ago | 3

Answered

How to deal with gui's and handles in .m

<http://blogs.mathworks.com/videos/2008/04/17/advanced-matlab-handles-and-other-inputs-to-guide-callbacks/ Video dealing with th...

How to deal with gui's and handles in .m

<http://blogs.mathworks.com/videos/2008/04/17/advanced-matlab-handles-and-other-inputs-to-guide-callbacks/ Video dealing with th...

9 years ago | 0

Answered

GUI 'uitable' with option to add rows using push button

Add button to your code of this form: handles.uitable is the handle to your uitable. % --- Executes on button press in p...

GUI 'uitable' with option to add rows using push button

Add button to your code of this form: handles.uitable is the handle to your uitable. % --- Executes on button press in p...

9 years ago | 0

| accepted

Answered

how to set up color range?

Imagesc is for image SCaled. Use image instead, it will keep the same color range rather than scaling to use the full dynamic r...

how to set up color range?

Imagesc is for image SCaled. Use image instead, it will keep the same color range rather than scaling to use the full dynamic r...

9 years ago | 0

Answered

What is a wrapper?

This is a reasonable definition: http://en.wikipedia.org/wiki/Wrapper_library How do you know it is a wrapper if you do no...

What is a wrapper?

This is a reasonable definition: http://en.wikipedia.org/wiki/Wrapper_library How do you know it is a wrapper if you do no...

9 years ago | 0

Answered

What does "Reference to non-existent field 'minfoFileRevision' " mean and how do I solve the problem?

Something, somewhere, is trying to refer to a field of a structure that does not exist. Here is a simple way to get that error....

What does "Reference to non-existent field 'minfoFileRevision' " mean and how do I solve the problem?

Something, somewhere, is trying to refer to a field of a structure that does not exist. Here is a simple way to get that error....

9 years ago | 0

Answered

How to make figure appear within defined axes of guide?

plot(hAxes, WHATEVER you were plotting before) This will force plot to use the axes refered to by the handle hAxes.

How to make figure appear within defined axes of guide?

plot(hAxes, WHATEVER you were plotting before) This will force plot to use the axes refered to by the handle hAxes.

9 years ago | 0

| accepted

Answered

Plot 4d surface from x, y, z, c data

I am not sure, but I think you might want <http://www.mathworks.com/matlabcentral/fileexchange/764-sliceomatic sliceomatic>

Plot 4d surface from x, y, z, c data

I am not sure, but I think you might want <http://www.mathworks.com/matlabcentral/fileexchange/764-sliceomatic sliceomatic>

9 years ago | 1

| accepted

Answered

parfor and global variables

Why use globals? They are often just confusing and hard to debug. Just pass them into simuconf.

parfor and global variables

Why use globals? They are often just confusing and hard to debug. Just pass them into simuconf.

9 years ago | 0

| accepted

Answered

Why are loops the devil?

In looking at your first code, I expect it is the FIND that is slowing down the code. In the second it is likely the num2str th...

Why are loops the devil?

In looking at your first code, I expect it is the FIND that is slowing down the code. In the second it is likely the num2str th...

9 years ago | 0

Answered

set enable propeprty to off

You might want to put a DRAWNOW before simulation. It could help to ensure the GUI is updated before simulation is called.

set enable propeprty to off

You might want to put a DRAWNOW before simulation. It could help to ensure the GUI is updated before simulation is called.

9 years ago | 0

Answered

Probability function of people at a party.

I did not run everything, but here is a problem: if m = 1 %checks first condition = is a statement. == is a question. ...

Probability function of people at a party.

I did not run everything, but here is a problem: if m = 1 %checks first condition = is a statement. == is a question. ...

9 years ago | 0

| accepted

Solved

Get ranking of a combination looking for speed.

I have the numbers pulled without replacement from the set [1 2 3 4 5 6 7 8 9 10 11 12 13]; They are then ordered from least to...

9 years ago

Problem

Get ranking of a combination looking for speed.

I have the numbers pulled without replacement from the set [1 2 3 4 5 6 7 8 9 10 11 12 13]; They are then ordered from least to...

9 years ago | 3 | 46 solvers

Solved

Get ranking of a combination

I have the numbers pulled without replacement from the set [1 2 3 4 5 6 7 8 9 10 11 12 13]; They are then ordered from least to...

9 years ago