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Publish your first submission
Awarded to zhang on 09 Oct 2019
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Feeds
Question
matlab java interface--can not add the user-defined class to the Java class path
I coded a simple class: test and compiled it and put it in the 'D:\Dropbox\projects\ICPR2013\code\java\union_find'. pub...
9 years ago | 0 answers | 0
0
answersQuestion
matlab: calculate the degree given two points in an image
The goal is to rotate an image so that the bounding boxes including the hand instances are all axis aligned. Please see the foll...
9 years ago | 1 answer | 1
1
answerQuestion
How do I debug my Java source code that I am calling from the MATLAB environment?
Based on the following link: http://www.mathworks.com/matlabcentral/answers/102080 In order to debug Java code being calle...
10 years ago | 0 answers | 0
0
answersQuestion
design my own 2d filter
I'm wondering is there a way to define my own 2d filter. Assuming there is a matrix A, I'd like to assign every element of A ...
10 years ago | 0 answers | 0
0
answersQuestion
get the number of frame of a video using vision.VideoFileReader and VideoReader
Using VideoReader: obj = VideoReader(vidfullfile); obj.NumOfFrames Using vision.VideoFileReader: videoFileRe...
10 years ago | 4 answers | 1
4
answersQuestion
compute a pixel's location in original image given its location in the rotated image and the rotated angle--matlab
There is an image called _rI_ and a pixel _p_ located at _[px, py]_ in this image. The image _rI_ is got by _rI = imrotate(I, an...
10 years ago | 1 answer | 0
1
answerQuestion
how to traverse a multidimensional array
Given a multidimensional array A = MxMxMx...xM, where ndims(A)=n. My problem can be described by the following pseudo-code: ...
10 years ago | 2 answers | 0
2
answersQuestion
access the element of multidimensional array given the subscript array
Given a multidimensional array A = MxMxMx...xM, where ndims(A)=n and the subscript array b=[a1, a2, ..., an]. How to get A(a...
10 years ago | 1 answer | 0
1
answerQuestion
initialize a multidimensional matrix
Given two numbers: M, N, how to create a matrix: res = MxMxMxMxM...xM, where ndims(res) == N.
10 years ago | 1 answer | 0
1
answerQuestion
apply bsxfun and arrayfun to every row of a matrix
There is two matrix, A and B with size m by 4 and n by 4 respectively. My question is how to apply a function f, which takes tw...
10 years ago | 1 answer | 1
1
answerQuestion
mex cc files in ubuntu system
I've download some code online. The makefile is like following: all: cascade fconv_var_dim cascade: cascade.cc model...
10 years ago | 1 answer | 0
1
answerQuestion
failed to start matlabpool using 'local' profile
My desktop runs in Ubuntu 12.04 LTS and the matlab is R2013a. I'm doing local parallel computing(use multicores of my desktop). ...
10 years ago | 0 answers | 0
0
answersQuestion
always stuck at job test validate--cluster profile manager
I'm using parallel computing toolbox. Before calling command 'matlabpool', it seems that we need to validate the local profile i...
10 years ago | 1 answer | 0
1
answerQuestion
failed to open matlabpool
I'm trying to use the following command: matlabpool('open', 8); But it gives me an error: You requested a minimum of ...
10 years ago | 1 answer | 0
1
answerQuestion
malloc-memory corruption on ubuntu
I'm running a very famous matlab source code on my ubuntu system. It gives me: *** glibc detected *** /usr/local/MATLAB/R2013...
10 years ago | 0 answers | 0
0
answersQuestion
mex cc file in ubuntu
I've download some code online. The makefile is like following: all: cascade cascade: cascade.cc model.c...
10 years ago | 1 answer | 0
1
answerQuestion
mex cpp file in ubuntu
Hi everyone I'm trying to mex a cpp file in ubuntu using the following command. mex triLinearVoting.cpp. It gives me ...
10 years ago | 3 answers | 1
3
answersQuestion
access the elements in a matrix given the column indexes
For example x = [1 2 3 4; 5 6 7 8; 9 10 11 12] Given the row indexes vector y = [1 3 4]; I...
10 years ago | 2 answers | 0
2
answersQuestion
W'*X*X'*W or W'*(X*X')*W, which one is more precision
Hi everyone. When I wrote something like W'*X*X'*W, matlab gives me hint that parenthese X. I did a lot of experiment, when ...
10 years ago | 1 answer | 0
1
answerQuestion
setting the scale of the Y axis
<<http://vlm1.uta.edu/~zhangzhong/matlab.jpg>> In the above image, I'd like to change 10^1 to a more beautiful way, like 10_s...
11 years ago | 1 answer | 0
1
answerQuestion
how to process cell array
Hi guys I have two cell arrays A, B. A = {[1 -1 1], [2 3 6 5]}; B = {[2 1], [1 4]}; B is the index for A. I'd l...
11 years ago | 1 answer | 0
1
answerQuestion
unique function in matlab
Hi guys In the version of R2012a, the unique function has a 'stable' property. Please see the link: <http://www.mathworks...
11 years ago | 2 answers | 0
2
answersQuestion
function overloading problem in matlab
Hi guys, Does matlab support function overloading? Just like, F(x, y) F(x, y, z) If not, is there any ways to do it? ...
11 years ago | 1 answer | 0
1
answerhow to solve matrix equation
please check the following link: <http://stackoverflow.com/questions/1515296/solving-a-matrix-in-matlab> [U S V] = svd(A);...
12 years ago | 0
| accepted
Question
how to solve matrix equation
I'd like to estimate the parameters of the following equation: Ax + By + Cz + D = 0. There are thousands of instance of [x y...
12 years ago | 1 answer | 0
1
answerQuestion
is it possible to use "find" to process every element of an array without loop
Hi guys, There is an array, saying a1, a2, ..., an. For every element in the array, I want to do something like find(X<ai)...
12 years ago | 3 answers | 0
3
answersQuestion
Given the element in a matrix, how to get the corresponding element in cell array?(cell2mat, mat2cell)
There is a cell array, saying A = {a_1 x b, a_2 x b, a_3 x b, ..., a_n x b}. After doing B = cell2mat(A), I can get a matrix ...
12 years ago | 1 answer | 0
1
answerQuestion
how to use filter2
Hi guys For an image and its associated binary mask, I only want to apply my filter on the pixel whose binary indicator is 1...
12 years ago | 1 answer | 0
1
answerQuestion
compute the unit vector given the angle
Hi guys, How to compute the unit vector given the direction? Is there any function in matlab to do this task. Thanks
12 years ago | 3 answers | 0
3
answers
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