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Bug in matlab R2012b version
Not really an answer, but a suggestion in the light of the observations made in the question and in other answers. In general...
Bug in matlab R2012b version
Not really an answer, but a suggestion in the light of the observations made in the question and in other answers. In general...
約12年 前 | 0
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Function with multiple outputs and FOR loop
Note that each time w = ... is executed, the previous value of w is forgotten. So at the end of the *for* loop w and z ...
Function with multiple outputs and FOR loop
Note that each time w = ... is executed, the previous value of w is forgotten. So at the end of the *for* loop w and z ...
約12年 前 | 0
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Save paired values from a FOR loop
You could save them in cell arrays: X{i} = J; Y{i} = PSF; or in a single cell array with two rows: X{1, i} = J; ...
Save paired values from a FOR loop
You could save them in cell arrays: X{i} = J; Y{i} = PSF; or in a single cell array with two rows: X{1, i} = J; ...
約12年 前 | 1
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Save a sequence of images in a new folder
Instead of imwrite(I2,[Resultados,num2str(k),'.png']); try imswrite(I2, fullfile(Resultados, ['SerieN', num2str(k),...
Save a sequence of images in a new folder
Instead of imwrite(I2,[Resultados,num2str(k),'.png']); try imswrite(I2, fullfile(Resultados, ['SerieN', num2str(k),...
約12年 前 | 0
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A multidimensional map class
MapN provides a map class similar to containers.Map, but with multidimensional keys.
約12年 前 | ダウンロード 1004 件 |
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How can I extract only the diagonal elements of a matrix product without computing the whole product matrix?
You could use sum((a * b) .* a, 2) A check: a = rand(1000, 10); b = rand(10); max(abs(diag(a*b*a.') - sum((a*...
How can I extract only the diagonal elements of a matrix product without computing the whole product matrix?
You could use sum((a * b) .* a, 2) A check: a = rand(1000, 10); b = rand(10); max(abs(diag(a*b*a.') - sum((a*...
12年以上 前 | 3
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Can mle use a non-anonymous function for a pdf?
There's no difference between a handle to an anonymous function and a handle to a function in an m-file. I can think of two p...
Can mle use a non-anonymous function for a pdf?
There's no difference between a handle to an anonymous function and a handle to a function in an m-file. I can think of two p...
12年以上 前 | 0
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How to rename the subfolders
Please ensure that you make a backup before using this, and check that it is doing exactly what you want. I have not tested it, ...
How to rename the subfolders
Please ensure that you make a backup before using this, and check that it is doing exactly what you want. I have not tested it, ...
12年以上 前 | 0
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How can I decrease image contrast using simple arithmetic?
Your code looks fine. You should almost certainly _not_ use the round function. If your image started off as values in the ra...
How can I decrease image contrast using simple arithmetic?
Your code looks fine. You should almost certainly _not_ use the round function. If your image started off as values in the ra...
12年以上 前 | 0
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Is it possible to open COSAR file (TerraSAR-X Complex SAR Data Product)
See also <http://www.mathworks.com/matlabcentral/fileexchange/45956-terrasar-x-and-tandem-x-tools this file exchange submission>...
Is it possible to open COSAR file (TerraSAR-X Complex SAR Data Product)
See also <http://www.mathworks.com/matlabcentral/fileexchange/45956-terrasar-x-and-tandem-x-tools this file exchange submission>...
12年以上 前 | 0
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TerraSAR-X and TanDEM-X tools
Read and convert TerraSAR-X and TanDEM-X COSAR files
12年以上 前 | ダウンロード 1213 件 |
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Fast 2-D convolution
Speeds up many 2-D convolutions using the SVD; also finds a fast approximation in other cases.
12年以上 前 | ダウンロード 8975 件 |
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Parsing default function arguments: why isn't it better???
The main tool MATLAB offers to handle optional arguments would look like this in your example: function fff(arg1,arg2,varar...
Parsing default function arguments: why isn't it better???
The main tool MATLAB offers to handle optional arguments would look like this in your example: function fff(arg1,arg2,varar...
12年以上 前 | 0
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Impulse response of filter in image processing
Apply your filter to an impulse and look at the respnse. Assuming that your filter's spatial size is no greater than 2*d in e...
Impulse response of filter in image processing
Apply your filter to an impulse and look at the respnse. Assuming that your filter's spatial size is no greater than 2*d in e...
12年以上 前 | 0
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Canny edge detection in 2-D and 3-D
A Canny edge detector for two-dimensional image and three-dimensional volume data.
12年以上 前 | ダウンロード 9098 件 |
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How do I calculate gradient and hessian matrix by two operators?
On the first part of your question, I think you should not call gradient, because convolution with the operators is what calcula...
How do I calculate gradient and hessian matrix by two operators?
On the first part of your question, I think you should not call gradient, because convolution with the operators is what calcula...
12年以上 前 | 0
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WHAT DOES THIS STATEMENT MEAN gray_average_2d(1:m,1:n) = gray_average(1,1:m,1:n);?
It means that for every i and j gray_average_2d(i, j) = gray_average(1, i, j); provided that i >= 1 and i <= m and j >= ...
WHAT DOES THIS STATEMENT MEAN gray_average_2d(1:m,1:n) = gray_average(1,1:m,1:n);?
It means that for every i and j gray_average_2d(i, j) = gray_average(1, i, j); provided that i >= 1 and i <= m and j >= ...
12年以上 前 | 0
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matrix convertion and reconvertion
To convert a into b, you can write b(1,1) = a(1,3); b(2,1) = a(3,3); ... and so on. To convert back, use a(1,...
matrix convertion and reconvertion
To convert a into b, you can write b(1,1) = a(1,3); b(2,1) = a(3,3); ... and so on. To convert back, use a(1,...
12年以上 前 | 0
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How to perform closing and filling
If you have the image processing toolbox, use strel, imclose and imfill. Also look at bwareaopen. You can apply this to the c...
How to perform closing and filling
If you have the image processing toolbox, use strel, imclose and imfill. Also look at bwareaopen. You can apply this to the c...
12年以上 前 | 0
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What's on your personal MATLAB to-do list?
Write my own version of imshow (from the Image Processing Toolbox) so I have it under control and don't get unexpected things ha...
What's on your personal MATLAB to-do list?
Write my own version of imshow (from the Image Processing Toolbox) so I have it under control and don't get unexpected things ha...
12年以上 前 | 0
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Extracting values from one column by specifying range for two other columns
Using A to refer to your matrix, try x = A(:, 3); y = A(:, 4); ok = -32.5 <= x & x <= 40 & 54.5 <= y & y <= 62.5; ...
Extracting values from one column by specifying range for two other columns
Using A to refer to your matrix, try x = A(:, 3); y = A(:, 4); ok = -32.5 <= x & x <= 40 & 54.5 <= y & y <= 62.5; ...
12年以上 前 | 0
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I got image artifacts on left and top edges of the image in result.
The problem is with snn12.m, which leaves two columns of zeros at the left of the image and two rows of zeros at the top. Thr...
I got image artifacts on left and top edges of the image in result.
The problem is with snn12.m, which leaves two columns of zeros at the left of the image and two rows of zeros at the top. Thr...
12年以上 前 | 0
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How to solve this error: Error code "Undefined function 'select' for input arguments of type 'char'"?
It looks as if you're typing SQL to the MATLAB prompt. You need to use an SQL interpreter, not MATLAB.
How to solve this error: Error code "Undefined function 'select' for input arguments of type 'char'"?
It looks as if you're typing SQL to the MATLAB prompt. You need to use an SQL interpreter, not MATLAB.
12年以上 前 | 0
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How to get onclick coordinate pixel value and location from an image?
Use ginput If you want to record multiple points, you can use something like the function that follows. You can easily modify...
How to get onclick coordinate pixel value and location from an image?
Use ginput If you want to record multiple points, you can use something like the function that follows. You can easily modify...
12年以上 前 | 10
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multiplication of infinity by zero in Matlab Calculation
So x contains infinities and y contains zeros and we are willing to assume from knowledge of the earlier computation that when a...
multiplication of infinity by zero in Matlab Calculation
So x contains infinities and y contains zeros and we are willing to assume from knowledge of the earlier computation that when a...
12年以上 前 | 1
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How to determine if there is a value in a string and output it as a boolean?
I think you just want if A(a) == 1 % actions end
How to determine if there is a value in a string and output it as a boolean?
I think you just want if A(a) == 1 % actions end
12年以上 前 | 0
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Clearing the upper section of a 3-dimensional matrix
Try Bt = permute(B, [3 2 1]); mask = bsxfun(@ge, Bt, (1:size(A,1)).'); C = A; C(mask) = 0;
Clearing the upper section of a 3-dimensional matrix
Try Bt = permute(B, [3 2 1]); mask = bsxfun(@ge, Bt, (1:size(A,1)).'); C = A; C(mask) = 0;
12年以上 前 | 0
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how to traverse a multidimensional array
Maybe I'm oversimplifying the problem, but if I've understood the pseudocode this should work: n = ndims(A); s = cell(1,...
how to traverse a multidimensional array
Maybe I'm oversimplifying the problem, but if I've understood the pseudocode this should work: n = ndims(A); s = cell(1,...
12年以上 前 | 0
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Create a row array using double colon operator
Create a row array from 9 to 1, using the double colon operator.
12年以上 前
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Flip the bit
Given an input character string (e.g. '1001'), return a character string with the bits flipped ('0110').
12年以上 前