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How to do image rotation in matlab?
It is a bit strange to store your image with getappdata on the graphics root, instead of with guidata. You will also notice that...

2ヶ月 前 | 2

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How to find the values of jump in an array?
There are several ways to solve this. Below you find a way to look over a few samples where there is a big jump. Another option ...

2ヶ月 前 | 0

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Removing adjacent duplicate numbers in rows of a matrix
You can use diff to find any repeats and remove them. The compare to eps is to avoid strange things happening once you put in de...

2ヶ月 前 | 1

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How to use slider bars to view images from a dataset?
I didn't implement a case for the 0 position, so I just set the range limits from 1 to 100. %Load an example image a=imread('c...

2ヶ月 前 | 0

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how to have matlab give feedback if value in a table is outside of a given range
You mean with something like this? x = gallery('integerdata',10,[5,1],2); y = gallery('integerdata',10,[5,1],8); A = table(x,...

2ヶ月 前 | 0

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How to fix a program that does not end?
You are increasing your loop variable inside the loop: l=l+1; Is that intentional? What are you trying to achieve there? That ...

2ヶ月 前 | 0

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If else problem for year
You can do this two ways: Option 1 is to do the actual work. Is the input correct? Does the month entered actually have at leas...

2ヶ月 前 | 0

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Select 100 points either side from mouse click cooradinates
Use the x-coordinate returned by getpts to select the data. x=linspace(0,10,1000); %generate a smooth random curve y=sin(x)+p...

2ヶ月 前 | 0

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Problem in coordinate conversion
This behavior is as documented. The result is in the [-pi pi] radians range. If you want to have your angles in the range [0 360...

2ヶ月 前 | 0

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There is a mistake with such expressions as mod(23^12,24). MATLAB gives an answer of 0 which, given that 23 and 24 are relative primes,
The number you're trying to process is larger than flintmax(), so you can rely on single digit precision operations.

2ヶ月 前 | 0

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Is there an equivalent function in Matlab 2019 to the earlier version's isunicode function?
The isunicode function may look promissing, but doesn't actually work on my test files (generated with Notepad++). The same prob...

2ヶ月 前 | 1

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How replace matching string
Because your second and third condition can be merged, you can use ismember: data={'Pass','Pass{overflow :1,unbound:5,warning:9...

2ヶ月 前 | 1

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Convolution of absolute magnitude =/= absolute magnitude of convolution?
Let's consider a minimal example: data=[-3 0 3]; kernel=[1 1 1]/3; Now it is easy to see that convolving first and then takin...

2ヶ月 前 | 0

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Creating a for loop to see if date exists
If you insist or keeping it as a double, you can use ismember three times, but it makes more sense to make use of the datetime c...

2ヶ月 前 | 0

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Variable is in a function file, how do I use a loop to change the value of this variable?
According to the doc you can pass extra parameters by setting an anonymous function. I see no indication in the R2014a doc that ...

2ヶ月 前 | 0

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Title for a figure containing many pictures
You can also use the suptitle function. I remember it as being a native Matlab function, but I couldn't find it in the doc. You ...

3ヶ月 前 | 0

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hi every one , how can i do a for cycle with diffrent vector length , thank you
You can put them in a cell array and let cell2mat handle the removal of empty elements. I have no clue what you want to do with ...

3ヶ月 前 | 0

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Name variables according to string
Why not store them in a struct array? If all mat files have the same fields that should work very well.

3ヶ月 前 | 0

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could anyone help me to solve the issue
This removes elements until your matrix is no longer valid according to your rule. It is very slow for bigger matrices, but it i...

3ヶ月 前 | 0

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How to take R-Square value as a variable
If you mean you want to access the value of the rsquare field, you can do that as with any struct (see the line of code below). ...

3ヶ月 前 | 0

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matlab piece wise function
That is a good idea of solving your problem. There is one thing you're forgetting in your logic: to trim the parts you don't nee...

3ヶ月 前 | 0

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where can i download MATLAB for windows 7 32bits?
You'll have to choose R2015b or earlier. That is the latest version where there is a 32 bit version. If you need a newer version...

3ヶ月 前 | 1

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Remove rows based on length of column value
Instead of implicit expansion (which can take a lot of memory for bigger arrays), you can use histogram counts: S=load('practic...

3ヶ月 前 | 0

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Can anyone help me with the error?
You aren't plotting a function, but a vector. Replace fplot by plot, or replace your input by a function. Actually, doing both w...

3ヶ月 前 | 1

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How to calculate accuracy from confusion matrix?
Accuracy = (TP+TN)/(TP+TN+FP+FN) where: TP = True positive; FP = False positive; TN = True negative; FN = False negative A...

3ヶ月 前 | 0

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Could anyone help me how to solve the following issue.
I can't think of a better solution, but you could try brute-forcing it with a while loop: maxval=5;cols=10; if maxval>cols ...

3ヶ月 前 | 0

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extracting data from hex
You should only remove the leading 0x as that indicates the data is hexadecimal. data_hex={{'0x0000D830'} {'0x000103EA'} ...

3ヶ月 前 | 0

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customised x data in matlab plot
The XTick property requires a vector with numeric data, but the XTickLabel property requires a cell array. labels = [0 2000 400...

3ヶ月 前 | 0

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How to create a function which accepts a name of a mat-file and returns a structure array with fields’ Name and Size?
Lets go through your proposed code: function se=se(name)%don't give your ouput the same name to your output as your function f...

3ヶ月 前 | 1

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How can I append same size matrix vertically?
Nothing here is happening automatically. With the comma you are telling Matlab that you want to concatenate horizontally. If you...

3ヶ月 前 | 1

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