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...

meer dan 4 jaar ago | 0 answers | 0

Question

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...

meer dan 4 jaar ago | 1 answer | 1

Question

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...

ongeveer 5 jaar ago | 0 answers | 0

Question

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 ...

ongeveer 5 jaar ago | 0 answers | 0

Question

get the number of frame of a video using vision.VideoFileReader and VideoReader

Using VideoReader: obj = VideoReader(vidfullfile); obj.NumOfFrames Using vision.VideoFileReader: videoFileRe...

ongeveer 5 jaar ago | 4 answers | 0

Question

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...

meer dan 5 jaar ago | 1 answer | 0

Question

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: ...

meer dan 5 jaar ago | 2 answers | 0

Question

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...

meer dan 5 jaar ago | 1 answer | 0

Question

initialize a multidimensional matrix

Given two numbers: M, N, how to create a matrix: res = MxMxMxMxM...xM, where ndims(res) == N.

meer dan 5 jaar ago | 1 answer | 0

Question

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...

meer dan 5 jaar ago | 1 answer | 0

Question

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...

meer dan 5 jaar ago | 1 answer | 0

Question

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). ...

meer dan 5 jaar ago | 0 answers | 0

Question

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...

meer dan 5 jaar ago | 1 answer | 0

Question

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 ...

meer dan 5 jaar ago | 1 answer | 0

Question

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...

bijna 6 jaar ago | 0 answers | 0

Question

mex cc file in ubuntu

I've download some code online. The makefile is like following: all: cascade cascade: cascade.cc model.c...

bijna 6 jaar ago | 1 answer | 0

Question

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 ...

bijna 6 jaar ago | 3 answers | 1

Question

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...

bijna 6 jaar ago | 2 answers | 0

Question

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 ...

bijna 6 jaar ago | 1 answer | 0

Question

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...

meer dan 6 jaar ago | 1 answer | 0

Question

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...

bijna 7 jaar ago | 1 answer | 0

Question

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...

bijna 7 jaar ago | 2 answers | 0

Question

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? ...

bijna 7 jaar ago | 1 answer | 0

Answered

how to solve matrix equation

please check the following link: <http://stackoverflow.com/questions/1515296/solving-a-matrix-in-matlab> [U S V] = svd(A);...

how to solve matrix equation

please check the following link: <http://stackoverflow.com/questions/1515296/solving-a-matrix-in-matlab> [U S V] = svd(A);...

bijna 7 jaar 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...

bijna 7 jaar ago | 1 answer | 0

Question

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)...

ongeveer 7 jaar ago | 3 answers | 0

Question

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 ...

ongeveer 7 jaar ago | 1 answer | 0

Question

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...

ongeveer 7 jaar ago | 1 answer | 0

Question

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

ongeveer 7 jaar ago | 3 answers | 0