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

10年以上前 | 2

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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年以上前 | 0

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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年以上前 | 0

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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年以上前 | 1

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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年以上前 | 0

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Remove certain ticks on y-axis when plotting?
You can set directly the XTick property as follows: set(gca,'YTick',1:1:SomeNumber);

10年以上前 | 0

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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年以上前 | 0

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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年以上前 | 0

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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年以上前 | 0

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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年以上前 | 1

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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年以上前 | 0

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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年以上前 | 0

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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年以上前 | 0

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The max matrix of two matrices
Try this: C = arrayfun(@(x,y) max(x(:),y(:)),A,B)

10年以上前 | 0

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

10年以上前 | 1

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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年以上前 | 0

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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年以上前 | 0

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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年以上前 | 0

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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年以上前 | 0

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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年以上前 | 0

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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年以上前 | 0

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How do I use regexpi on a phrase that has a "*"?
If I understood right using \* instead of * should work.

10年以上前 | 1

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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年以上前 | 0

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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年以上前 | 0

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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年以上前 | 0

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

10年以上前 | 0

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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年以上前 | 1

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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年以上前 | 0

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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年以上前 | 0

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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年以上前 | 3

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