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Chaowei Chen


University of Maryland

Actif depuis 2011

Followers: 1   Following: 0

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Professional Interests: Human machine interface, integration of software and hardware, image processing, microscopy, convex optimization

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Creating a movie sequence from rgb images
for frame_idx = start_frame:end_frame image = dataset(:,:,frame_idx); msk = mask_stack(:,:,frame_idx); ...

plus de 7 ans il y a | 0

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The command line is too long. Error: An error occurred while shelling out to javac (error code = 1). Unable to build executable.
I am using mcc to build java classes from .m files The command is following: mcc -W "java:matlabapi,DefaultClass" -T lin...

environ 9 ans il y a | 1 réponse | 0

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The command line is too long. Error: An error occurred while shelling out to javac (error code = 1). Unable to build executable.
I am using mcc to build java classes from .m files The command is following: mcc -W "java:matlabapi,DefaultClass" -T link:li...

environ 9 ans il y a | 1 réponse | 0

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réponse

Question


The command line is too long. Error: An error occurred while shelling out to javac (error code = 1). Unable to build executable.
I am using mcc to build java classes from .m files The command is following: mcc -W "java:matlabapi,DefaultClass" -T link:li...

environ 9 ans il y a | 1 réponse | 0

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A soumis


Sudoku
Solves sudoku puzzle. Generates all possible answers.

plus de 11 ans il y a | 1 téléchargement |

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google
google.m is a simple shell interface to initiate Google search in Matlab.

plus de 11 ans il y a | 1 téléchargement |

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remove varables in MAT file(s)
Want to delete same variables in possibly many MAT files? removevar is for you!

presque 12 ans il y a | 2 téléchargements |

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select current object
select current object by buttons. Each button represents one object which is either axes, image, etc

presque 12 ans il y a | 1 téléchargement |

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saves variables into MAT file matfile
saves variables into MAT file matfile

presque 12 ans il y a | 1 téléchargement |

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loads one variable from MAT-file(s) into workspace
Need to load a same variable from a list of MAT files? This is for you!

presque 12 ans il y a | 1 téléchargement |

Question


change shorkeys "ctrl+shift+0" for editor
I understand that ctrl+shift+0 focuses window to the editor. I wonder if it is possible to change "ctrl+shift+0" to "ctrl+~" fo...

environ 12 ans il y a | 1 réponse | 0

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Question


how to set position and outerposition respectively the same as from another axes?
I want to display a scalebar on a 3d plot. When I rotate the 3d plot, I want to keep the scalebar still. The way I approach it i...

plus de 12 ans il y a | 1 réponse | 0

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Réponse apportée
how to draw a hyperboloid?
[x,y]=meshgrid(-10:10); r_sq=x.^2+y.^2; z=sqrt(r_sq+1); surf(x,y,z)

environ 13 ans il y a | 0

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make result matrix for comparing of (for example) 20 inputs matrix with 20 refrences matrix
You can use cell matrix, which contains mixed type of values. In your case, the first column and row are string while the rest ...

plus de 13 ans il y a | 1

| A accepté

Réponse apportée
How to catch reaction time with MATLAB; How to save text file from command window automatically
1. doc diary 2. I think the problem happens at kp=find(kp) It means wherever kp is nonzero, assign the position to kp. My m...

plus de 13 ans il y a | 0

Réponse apportée
Inline Indexing to Dynamic Field Names
Varnames={'var1', 'var2', 'varx', 'vary'}; %if varx is scalar TestStruct.(Varnames{1,3}) = 0 %if varx is array TestS...

plus de 13 ans il y a | 1

Réponse apportée
To get dominant eigen vector
[U,S,V]=svd(C) gives you the singular value decomposition of C. i.e., C=U*S*V' where the singular values S are in decreasing or...

plus de 13 ans il y a | 1

| A accepté

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how to draw tangent line simulink graph ?
function plot_tangent(x,y) if nargin<2, x=1:0.01:10;y=sin(x); end s=diff(y)./diff(x); f_tangent=@(a...

plus de 13 ans il y a | 0

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Play Video in MATLAB GUI with other Objects
function main [f,p]=uigetfile('*.avi');cd(p) h_play=uicontrol('style','pushbutton','callback',@play_vid,'string','pl...

plus de 13 ans il y a | 0

Réponse apportée
Play Video in MATLAB GUI with other Objects
function main vid = videoinput('winvideo', 1); figure; h_play=uicontrol('style','pushbutton','callback',@play_vid,'stri...

plus de 13 ans il y a | 0

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Play Video in MATLAB GUI with other Objects
function main(var_3D) if nargin<1, var_3D=randn(100,100,100);end [R,C,Frame]=size(var_3D); h_play=uicontrol('st...

plus de 13 ans il y a | 0

| A accepté

Réponse apportée
How to use spatial image coordinates to get image pixel values??
You are almost there. ROI=roipoly(img); pixValue=img(ROI);

plus de 13 ans il y a | 0

Réponse apportée
How to scan a user-input sentence/phrase for the individual words
Just a subtle improvement to Jiang's approach. (To get rid of the period symbol) InputText='This is is my testing speech.'; ...

plus de 13 ans il y a | 0

Réponse apportée
How can i extend my graph to a certain point in the graph
I think you probably just want to do axis([0 16 0 500])

plus de 13 ans il y a | 1

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autocorrelate rows of matrix without using a for loop
The idea is to convert mat to cell since each row is independent. After processing, convert cell back to mat. a2=mat2cell(a,...

plus de 13 ans il y a | 0

Réponse apportée
I need to import a file of unsupported format into Matlab (multiple image sequence)
Does the file follows a certain format like tif? In this case, frame_k = imread('filename.tif',k); If it is a custom format,...

plus de 13 ans il y a | 0

Réponse apportée
Delete/Hide points of a surface
figure;hold on; h1=plot(1,1,'b.'); h2=plot(2,2,'r.'); hold off % if you want to hide h2 set(h2,'visible','off') % if...

plus de 13 ans il y a | 0

Réponse apportée
put time stamp on video using videowrite
clc;clear;close all vid = videoinput('winvideo', 1); set(vid,'TriggerRepeat',Inf); vid.FrameGrabInterval = 1; vid_sr...

plus de 13 ans il y a | 1

Réponse apportée
Generalized eigenvalue problem
If V'*B*V = I, This indicates B is identity matrix, therefore, simply [V,D] = eig(A)

plus de 13 ans il y a | 0

Réponse apportée
Change file extension from .wav to .res
Supposing you just want to rename the file, do this ! ren temp.wav temp.res

plus de 13 ans il y a | 0

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