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Inputting simulation data to Simulink
I am trying to implement the following controller in Simulink. The input is an array of size N×1, which exists in MATLAB worksp...

約3年前 | 1 件の回答 | 0

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Finding the edges of an ellipse in an image
I have an binary image as shown below. <</matlabcentral/answers/uploaded_files/37057/LeadingVortex_No_Ellipse.jpg>> As can...

約9年前 | 2 件の回答 | 0

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Solving a system of nonlinear equations
I have about 1000 measurement which relates three variables to each other: |x|, |y|, and |z|. In other words, I have 1000 measur...

9年以上前 | 1 件の回答 | 0

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Imposing a prescribed motion field to a grayscale image
I have a grayscale image with intensity distribution |I1(i,j)|. I am trying apply a motion field u(i,j), v(i,j) where |(i...

10年弱前 | 2 件の回答 | 0

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Determining the separability of a 3D kernel
I have three kernels of size |2×2×2| (as define below by |ker1|, |ker2|, |ker3|). I wanted to know how I can determine whether t...

10年弱前 | 0 件の回答 | 0

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Model Reduction of a Noisy 2D Experimental Data
I am trying to understand the following |MATLAB| code: Reduce(Reduce(u)) where |u| is a |n×m| matrix and is a 2D measu...

10年弱前 | 0 件の回答 | 0

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mexCallMATLAB crashes for dynamically allocated mxArrays
Could someone kindly help me fix the issue that I have in using dynamically allocated mxArrays? In the example code below, MATLA...

約10年前 | 1 件の回答 | 0

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約10年前 | 1 件の回答 | 0

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Taking a special image derivative using convolution
I have two images at different times. The first image is |im1| at time |t1| and the second image is |im2| at time |t2|. I want t...

約10年前 | 0 件の回答 | 1

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約10年前 | 1 件の回答 | 0

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A problem in running a MEX file in a consistent way
I have written a |MEX| file. This file compiles successfully with no problem. For some reasons, which I am really baffled, this ...

10年以上前 | 1 件の回答 | 0

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10年以上前 | 2 件の回答 | 0

2

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Problem in using the "-g" option of mex
I have written a |MEX| file which is successfully built by: mex -v mymex.cpp However, when I want to add the debug inf...

10年以上前 | 1 件の回答 | 0

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Defining a function (including vector dot product) for all the points in 3D
I am trying to build the following function in a three dimensional domain. <</matlabcentral/answers/uploaded_files/13670/Un...

10年以上前 | 2 件の回答 | 0

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Problem in using bsxfun
I have two arrays in MATLAB: A; % size(A) = [NX NY NZ 3 3] b; % size(b) = [NX NY NZ 3 1] These two arrays are ver...

10年以上前 | 1 件の回答 | 0

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Custom subarray of a multidimensional array
I have an array |A| which has a size |[N1 N2 N3 3 3]|. Array |A| can be considered as a rectangular box in three dimensions that...

10年以上前 | 1 件の回答 | 0

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How to vectorize the multiplication of arrays with DIM=5?
I have a three dimensional domain in MATLAB. For each point in the domain I have defined three arrays of size |(NX,NY,NZ)| at ea...

10年以上前 | 0 件の回答 | 0

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Finding the repetition of each element of a matrix
I have a matrix named A with size N×3. For example, A = [ 1 2 3; 1 4 5; 5 6 7; ...

10年以上前 | 2 件の回答 | 0

2

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Mapping elements of a matrix using a vector array
I have a matrix named A with size N×3. The values of the elements of A ranges from 1 to M. For example, A with size 8×3: A ...

10年以上前 | 1 件の回答 | 1

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Replacing all the elements of one matrix with new values (one to one mapping)
I have a large matrix of size 50000×3. I would like to replace the values of the elements with a new values. To illustrate my pr...

10年以上前 | 1 件の回答 | 0

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Changing the radial range in a polar plot
Dear All, I would like to change the radial range of a polar plot. How can I change the following plot such that radius range...

10年以上前 | 1 件の回答 | 0

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Deploying 32bit applications using MATLAB 64bit
Hello All, May I know how I can deploy a MATLAB code into a 32 bit application using MATLAB 64bit running under Windows 7 64b...

11年弱前 | 1 件の回答 | 0

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vectorizing calculation of eigen values of a large multi-dimensional array
Dear All, I have a 3D rectangular domain. Each point is associated with a vector(u,v,w) through time. u, v, and w are of size...

11年以上前 | 2 件の回答 | 1

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How to vectorize a for loop with an if condition inside
Dear All, How can I vectorize the following loop? Basically, I have a structured grid in whose node ids are stored in a array...

11年以上前 | 1 件の回答 | 0

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writing a buffer of 80 characters to file in a binary format
I am trying to translate the following snippet which is in C. char buffer[80]; strcpy(buffer,"Velocity"); fwrite(buff...

11年以上前 | 3 件の回答 | 0

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Is it possible to use C++ string and sstream in MATLAB MEX?
Dear All, Is it possible to use C++ string and sstream in a MATLAB MEX file? The following is a part of my code in which I am...

12年弱前 | 0 件の回答 | 0

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Problem using Intel MKL with MEX
Dear All, Is it possible to use Intel MKL 10.3 in MEX? I am having problem in using MKL 10.3 along with MEX. I have no proble...

12年弱前 | 1 件の回答 | 0

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Problem in specifying dependent library files by using MEX switches
I am trying to find the instructions for specifying the dependent library files as well as the path for compiling a c++ MEX file...

12年弱前 | 4 件の回答 | 0

4

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Apply a mask to 4D medical images in a vectorized way
Dear All, I have a 4D array V, with the size [144 144 12 25]. In fact, it is a 4D medical image with 12 stacked slices in 25 ...

12年弱前 | 2 件の回答 | 0

2

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Help on showing a mask in an axes object for a MATLAB GUI
Dear All, I have designed a GUI which has an axes object. I want to create and overlay a mask on an image in the axes of the ...

12年弱前 | 2 件の回答 | 0

2

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