Answered

Fill area under a curve

Yes there is the <http://www.mathworks.com/help/matlab/ref/area.html area> function.

Fill area under a curve

Yes there is the <http://www.mathworks.com/help/matlab/ref/area.html area> function.

10 years ago | 2

Answered

Matlab command for generating random rational numbers between -1 and 0?

Like this? a = -1; b = 0; r = a+(b-a)*rand(1,1) If you want many of them change the inputs to rand. And if you...

Matlab command for generating random rational numbers between -1 and 0?

Like this? a = -1; b = 0; r = a+(b-a)*rand(1,1) If you want many of them change the inputs to rand. And if you...

10 years ago | 0

Answered

How to install Global Optimization Toolbox

You need to purchase it <http://www.mathworks.com/products/global-optimization/index.html here> and then install it on your comp...

How to install Global Optimization Toolbox

You need to purchase it <http://www.mathworks.com/products/global-optimization/index.html here> and then install it on your comp...

10 years ago | 0

Answered

get the actual position correspond to imfreehand

After you get the position, you can create a mask in which value inside the ROi are equal to 1 and those outside are equal to 0....

get the actual position correspond to imfreehand

After you get the position, you can create a mask in which value inside the ROi are equal to 1 and those outside are equal to 0....

10 years ago | 1

| accepted

Answered

I get bad resolution when saving my plot with filled circles as .pdf or .eps

You might want to use <http://www.mathworks.com/help/matlab/ref/print.html print> instead of save, and set the resolution to som...

I get bad resolution when saving my plot with filled circles as .pdf or .eps

You might want to use <http://www.mathworks.com/help/matlab/ref/print.html print> instead of save, and set the resolution to som...

10 years ago | 0

Answered

Remove certain ticks on y-axis when plotting?

You can set directly the XTick property as follows: set(gca,'YTick',1:1:SomeNumber);

Remove certain ticks on y-axis when plotting?

You can set directly the XTick property as follows: set(gca,'YTick',1:1:SomeNumber);

10 years ago | 0

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Answered

How to correct p-value in statistical analysis?

With the Statistics Toolbox you want to use <http://www.mathworks.com/help/stats/multcompare.html mutcompare> for your statistic...

How to correct p-value in statistical analysis?

With the Statistics Toolbox you want to use <http://www.mathworks.com/help/stats/multcompare.html mutcompare> for your statistic...

10 years ago | 0

| accepted

Answered

How can I measure how many pixels a single irregular object has?

If you have the Image Processing Toolbox it looks like <http://www.mathworks.com/help/images/examples/correcting-nonuniform-illu...

How can I measure how many pixels a single irregular object has?

If you have the Image Processing Toolbox it looks like <http://www.mathworks.com/help/images/examples/correcting-nonuniform-illu...

10 years ago | 0

Answered

Select parts of number from a cell of many numbers to put in a variable?

The easy way would be: year = YourDate(1:4) month = YourDate(5:6) day = YourDate(7:8) Then you can convert to digi...

Select parts of number from a cell of many numbers to put in a variable?

The easy way would be: year = YourDate(1:4) month = YourDate(5:6) day = YourDate(7:8) Then you can convert to digi...

10 years ago | 0

| accepted

Answered

error when calculating factorial

The error is due to a missing bracket at the end of this line: C=factorial(m)/((factorial(n)*factorial(m-n)); Add a brac...

error when calculating factorial

The error is due to a missing bracket at the end of this line: C=factorial(m)/((factorial(n)*factorial(m-n)); Add a brac...

10 years ago | 1

Answered

Structure inside a while loop && pixel distance

Something like this? N = 10; YourStructure(N).result = zeros(15); % Initialize the structure for k = 1:N ...

Structure inside a while loop && pixel distance

Something like this? N = 10; YourStructure(N).result = zeros(15); % Initialize the structure for k = 1:N ...

10 years ago | 0

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Answered

How to eliminate the rows of data ?

If your data is stored in a cell array you could use the following: % Identify the rows (I) in which there are empty elemen...

How to eliminate the rows of data ?

If your data is stored in a cell array you could use the following: % Identify the rows (I) in which there are empty elemen...

10 years ago | 0

Answered

How to Perform an Operation on a Sequence of DICOM Images

You might want to look at <http://www.mathworks.com/company/newsletters/articles/accessing-data-in-dicom-files.html this> to get...

How to Perform an Operation on a Sequence of DICOM Images

You might want to look at <http://www.mathworks.com/company/newsletters/articles/accessing-data-in-dicom-files.html this> to get...

10 years ago | 0

| accepted

Answered

The max matrix of two matrices

Try this: C = arrayfun(@(x,y) max(x(:),y(:)),A,B)

The max matrix of two matrices

Try this: C = arrayfun(@(x,y) max(x(:),y(:)),A,B)

10 years ago | 0

Answered

Very simple logical question

A = cell(1,1000); for k = 1:1000 A{k} = sprintf('%04d',k); end

Very simple logical question

A = cell(1,1000); for k = 1:1000 A{k} = sprintf('%04d',k); end

10 years ago | 1

Answered

Show line above surf plot in 2D view

You could try to inverse the order of your axes' children after drawing the line, so that it comes up at the front and the plot ...

Show line above surf plot in 2D view

You could try to inverse the order of your axes' children after drawing the line, so that it comes up at the front and the plot ...

10 years ago | 0

Answered

creating numerical values from parts of a string read

If your strings are always of the same format, you can use regular expression to look for the colon followed by a number and fol...

creating numerical values from parts of a string read

If your strings are always of the same format, you can use regular expression to look for the colon followed by a number and fol...

10 years ago | 0

| accepted

Answered

How can ı set initial value about for statement ???

Maybe with something like this: for k = 1:100 % add your code if k== 20 % add you condition...

How can ı set initial value about for statement ???

Maybe with something like this: for k = 1:100 % add your code if k== 20 % add you condition...

10 years ago | 0

Answered

Getting the position of a value in a vector

YourVector = BAC(BAC_F<0.8) Then FirstValue = YourVector(1) Is that what you meant? If not it might simply be ...

Getting the position of a value in a vector

YourVector = BAC(BAC_F<0.8) Then FirstValue = YourVector(1) Is that what you meant? If not it might simply be ...

10 years ago | 0

Answered

Display image inside parfor loop

I'm afraid you can't control image display inside a parfor loop, i.e. inside individual workers. However you can store all the i...

Display image inside parfor loop

I'm afraid you can't control image display inside a parfor loop, i.e. inside individual workers. However you can store all the i...

10 years ago | 0

| accepted

Answered

Create new variable if elements of different variables match in Matlab

Here is something to get you started. It's not the most elegant but I think it answers your question. Note that I added NaN in s...

Create new variable if elements of different variables match in Matlab

Here is something to get you started. It's not the most elegant but I think it answers your question. Note that I added NaN in s...

10 years ago | 0

Answered

How do I use regexpi on a phrase that has a "*"?

If I understood right using \* instead of * should work.

How do I use regexpi on a phrase that has a "*"?

If I understood right using \* instead of * should work.

10 years ago | 1

| accepted

Answered

how to manage pop up menu entries

In the pushbutton callback you can add this code to populate the popup menu through its 'String' property: set(handles.Yo...

how to manage pop up menu entries

In the pushbutton callback you can add this code to populate the popup menu through its 'String' property: set(handles.Yo...

10 years ago | 0

Answered

How to get the facecolor of each bar?

Use the handles to the bar graph to retrieve its 'FaceColor' property. Eg: hbar1 = hbar(data,SomeColor); Then you ca...

How to get the facecolor of each bar?

Use the handles to the bar graph to retrieve its 'FaceColor' property. Eg: hbar1 = hbar(data,SomeColor); Then you ca...

10 years ago | 0

| accepted

Answered

guide push button and checkbox callback

Instead of using multiple if/else statements can you simply populate x directly with the values of the checkboxes: x = [get...

guide push button and checkbox callback

Instead of using multiple if/else statements can you simply populate x directly with the values of the checkboxes: x = [get...

10 years ago | 0

Answered

writevideo skipping last frame

Maybe use narr_anim(m).cdata in your loop? Other than that your code looks fine to me

writevideo skipping last frame

Maybe use narr_anim(m).cdata in your loop? Other than that your code looks fine to me

10 years ago | 0

| accepted

Answered

How do I use a for loop to return a vector

Hi Adam, you actually don't need a loop: P = x(x > 0); N = x(x < 0); P = 6.2000 11.0000 8.1000...

How do I use a for loop to return a vector

Hi Adam, you actually don't need a loop: P = x(x > 0); N = x(x < 0); P = 6.2000 11.0000 8.1000...

10 years ago | 1

| accepted

Answered

Find with an indexed struc

It might not be the most elegant but I think it would solve your problem Indices = cellfun(@(x) x == 0,struct2cell(M)) % yo...

Find with an indexed struc

It might not be the most elegant but I think it would solve your problem Indices = cellfun(@(x) x == 0,struct2cell(M)) % yo...

10 years ago | 0

Answered

Open second figure from GUI

Hi Carlos, In order to open a figure (let's say an input dialog box) after selecting a checkbox, you want to write the code...

Open second figure from GUI

Hi Carlos, In order to open a figure (let's say an input dialog box) after selecting a checkbox, you want to write the code...

10 years ago | 0

Answered

how can i cut data from a plot?

As Sara suggests, using ginput to let the user select a x-value from which to crop: clear clc x = 1:10*pi; ...

how can i cut data from a plot?

As Sara suggests, using ginput to let the user select a x-value from which to crop: clear clc x = 1:10*pi; ...

10 years ago | 3

| accepted