回答済み

how to convert a 3-d binary array of spherical cordinates into floating type array of cartesian cordinates

If you get my findND function from the FEX you can do this: %find 3D indices in M [r,c,p]=findND(M); %create lookup tables ...

how to convert a 3-d binary array of spherical cordinates into floating type array of cartesian cordinates

If you get my findND function from the FEX you can do this: %find 3D indices in M [r,c,p]=findND(M); %create lookup tables ...

3ヶ月 前 | 0

| 採用済み

回答済み

b=abs([b;a(i)-a(i+1)]); error

Your loop goes up to 27, and inside the loop you look at i+1. You should let your loop go to |numel(a)-1| instead of 27.

b=abs([b;a(i)-a(i+1)]); error

Your loop goes up to 27, and inside the loop you look at i+1. You should let your loop go to |numel(a)-1| instead of 27.

3ヶ月 前 | 0

回答済み

Why is matlab giving me a a very small number when the answer should be EXACTLY zero?

Because not all numbers can be stored as an exact binary number, some calculations will have rounding errors. %exagerated examp...

Why is matlab giving me a a very small number when the answer should be EXACTLY zero?

Because not all numbers can be stored as an exact binary number, some calculations will have rounding errors. %exagerated examp...

3ヶ月 前 | 1

回答済み

Find and count how many capital characters are in str, and then change them to lower cases USING LOOPS

You can easily do this without loops: s = 'This is my String with CapiTal LETTERS in it. Let''s change them to lowercase uSiNg ...

Find and count how many capital characters are in str, and then change them to lower cases USING LOOPS

You can easily do this without loops: s = 'This is my String with CapiTal LETTERS in it. Let''s change them to lowercase uSiNg ...

3ヶ月 前 | 0

回答済み

blockproc applied to ROI images

Using a nested function will allow you to share variables without having to resort to evalin. As for your actual problem: you co...

blockproc applied to ROI images

Using a nested function will allow you to share variables without having to resort to evalin. As for your actual problem: you co...

3ヶ月 前 | 0

回答済み

Precise Matrix Power: A^k

It will probably be helpfull to use the Symbolic Math Toolbox, and use the tips explained here. For mod(a^b,k) there is a direct...

Precise Matrix Power: A^k

It will probably be helpfull to use the Symbolic Math Toolbox, and use the tips explained here. For mod(a^b,k) there is a direct...

3ヶ月 前 | 0

| 採用済み

回答済み

how to extract data after squeeze the matrix?

Something like this is probably what you're looking for, although it makes it more difficult to compare the same pixel over all ...

how to extract data after squeeze the matrix?

Something like this is probably what you're looking for, although it makes it more difficult to compare the same pixel over all ...

3ヶ月 前 | 0

| 採用済み

回答済み

Return a vector with the same size as the indexing matrix/vector (code optimization)

I would have expected Matlab to have consistent behavior, but before now I hadn't bothered to look it up in the documentation. Y...

Return a vector with the same size as the indexing matrix/vector (code optimization)

I would have expected Matlab to have consistent behavior, but before now I hadn't bothered to look it up in the documentation. Y...

3ヶ月 前 | 1

| 採用済み

回答済み

off figure in matlab

You need to define a group array if you want to use the off switch. The <https://www.mathworks.com/help/stats/anova1.html docume...

off figure in matlab

You need to define a group array if you want to use the off switch. The <https://www.mathworks.com/help/stats/anova1.html docume...

4ヶ月 前 | 0

| 採用済み

回答済み

Error message: Brace indexing is not supported for variables of this type.

The uigetfile function only returns a cell array if the user actually selects multiple files. The person writing the code should...

Error message: Brace indexing is not supported for variables of this type.

The uigetfile function only returns a cell array if the user actually selects multiple files. The person writing the code should...

4ヶ月 前 | 0

| 採用済み

回答済み

WTH happened to "hold on all" in 2019b

Nowhere in the documentation could I find any mention of hold on all being a valid syntax. Before R2014b on and all had a differ...

WTH happened to "hold on all" in 2019b

Nowhere in the documentation could I find any mention of hold on all being a valid syntax. Before R2014b on and all had a differ...

4ヶ月 前 | 1

回答済み

From a set of curves, how to find the one that the "most similar" to the reference curve?

Apart from all the 'boring' strategies of using tried and tested goodness-of-fit parameters (many of which are implemented in ba...

From a set of curves, how to find the one that the "most similar" to the reference curve?

Apart from all the 'boring' strategies of using tried and tested goodness-of-fit parameters (many of which are implemented in ba...

4ヶ月 前 | 0

回答済み

Image Processing Averaging Filter

This should show you one of the multiple way to do this. %clc;clear all;%you aren't printing anything to the command window, no...

Image Processing Averaging Filter

This should show you one of the multiple way to do this. %clc;clear all;%you aren't printing anything to the command window, no...

4ヶ月 前 | 0

回答済み

replace element in matrix with matrix

(written on mobile, untested code) Out=cell2mat(arrayfun(@(x) circshift(eye(3),x),'UniformOutput', false));

replace element in matrix with matrix

(written on mobile, untested code) Out=cell2mat(arrayfun(@(x) circshift(eye(3),x),'UniformOutput', false));

4ヶ月 前 | 0

| 採用済み

回答済み

For loop without repetition

Use <https://www.mathworks.com/help/matlab/ref/perms.html perms> to generate the list of all combinations and loop through the r...

For loop without repetition

Use <https://www.mathworks.com/help/matlab/ref/perms.html perms> to generate the list of all combinations and loop through the r...

4ヶ月 前 | 0

回答済み

path of a mfile not on search path

As suggested in a comment <https://www.mathworks.com/matlabcentral/answers/484121-how-to-grab-message-from-command-window-and-ta...

path of a mfile not on search path

As suggested in a comment <https://www.mathworks.com/matlabcentral/answers/484121-how-to-grab-message-from-command-window-and-ta...

4ヶ月 前 | 0

| 採用済み

回答済み

How to assign each axes to hold/keep its own image?

You should never use gcf or gca in code for a GUI. As your tags indicate you're using GUIDE: use the explicit handles to the axe...

How to assign each axes to hold/keep its own image?

You should never use gcf or gca in code for a GUI. As your tags indicate you're using GUIDE: use the explicit handles to the axe...

4ヶ月 前 | 1

| 採用済み

回答済み

Checking of equality for two matrices

The difference between the isequal function and the == operator is that the second will work element by element. That means that...

Checking of equality for two matrices

The difference between the isequal function and the == operator is that the second will work element by element. That means that...

4ヶ月 前 | 0

回答済み

Function definition is misplaced or improperly nested. Please help!!

Replace this function function Xi_dot = pose_dot(t,Xi,dt,v,omega); with this function Xi_dot = pose_dot(t,Xi,dt,v,omega)

Function definition is misplaced or improperly nested. Please help!!

Replace this function function Xi_dot = pose_dot(t,Xi,dt,v,omega); with this function Xi_dot = pose_dot(t,Xi,dt,v,omega)

4ヶ月 前 | 1

回答済み

Make an interactive plot which will allow you to draw a continuous line with 3 segments

You're only supplying single points to the plot function. If you want a line, you should first gather all the points and then ca...

Make an interactive plot which will allow you to draw a continuous line with 3 segments

You're only supplying single points to the plot function. If you want a line, you should first gather all the points and then ca...

4ヶ月 前 | 0

質問

How to create a GUI

There are multiple ways to create a graphical user interface (GUI) in Matlab. Which method is the best depends on multiple facto...

4ヶ月 前 | 2 件の回答 | 3

回答済み

Hide and change location of pushbutton in GUI?

You can set the Position property of a uicontrol object to move it to any location you like inside the callback that sets the Vi...

Hide and change location of pushbutton in GUI?

You can set the Position property of a uicontrol object to move it to any location you like inside the callback that sets the Vi...

4ヶ月 前 | 0

| 採用済み

回答済み

Can I get the MATLAB software for 32 bit I need that

You will need to download R2015b or older. Newer releases don't have a 32 bit version. You should be able to select older releas...

Can I get the MATLAB software for 32 bit I need that

You will need to download R2015b or older. Newer releases don't have a 32 bit version. You should be able to select older releas...

4ヶ月 前 | 0

| 採用済み

回答済み

Reshape a 3D matrix

The code below should do what you want: x = [1 2 3]; y = [4 5 6]; z = [7 8 9]; [X,Y,Z] = meshgrid(x,y,z); A=round(rand*X+ra...

Reshape a 3D matrix

The code below should do what you want: x = [1 2 3]; y = [4 5 6]; z = [7 8 9]; [X,Y,Z] = meshgrid(x,y,z); A=round(rand*X+ra...

4ヶ月 前 | 0

回答済み

How to create a GUI

A programmatic GUI is ideal if you need a lot of flexibility and many possibilies for support of old releases. It is less visual...

How to create a GUI

A programmatic GUI is ideal if you need a lot of flexibility and many possibilies for support of old releases. It is less visual...

4ヶ月 前 | 3

回答済み

GUI stops after initialization code

Did you notice this line? % Begin initialization code - DO NOT EDIT They weren't kidding. It is easy to mess up GUIDE-created ...

GUI stops after initialization code

Did you notice this line? % Begin initialization code - DO NOT EDIT They weren't kidding. It is easy to mess up GUIDE-created ...

4ヶ月 前 | 0

回答済み

Making a cell array of DICOM headers.

It seems that there is a function called spm_dicom_headers that will get the dicom header in the correct form. I would assume it...

Making a cell array of DICOM headers.

It seems that there is a function called spm_dicom_headers that will get the dicom header in the correct form. I would assume it...

4ヶ月 前 | 0