photo

Weiqian Jiang


Last seen: 4 years ago |  Active since 2015

Followers: 0   Following: 0

Statistics

  • Thankful Level 1

View badges

Feeds

View by

Question


how to use octave on hackerrank website?
hi there, now I am trying to use octave to do the hackerrank test, but everytime I click on the 'Run code' button, it always sa...

4 years ago | 0 answers | 0

0

answers

Question


How to know the p-value for each coefficient in the regress function?
Hi there, I'm trying using function 'regress' to deal with 4-variant linear model fit, as far as I know, the regress function ca...

6 years ago | 0 answers | 0

0

answers

Question


Is 'inputsinglescan' a single sample of the sample rate?
Hi there, i've some doubt about the inputsinglescan in the DAQ toolbox, for example, if the sample rate of the NI device object ...

7 years ago | 0 answers | 0

0

answers

Question


Multi selection about listdlg
Hi there, when I use 'listdlg' to do the multi-selection, the only 2 ways I've found is either by push the 'select all' button, ...

7 years ago | 0 answers | 0

0

answers

Answered
about saving figure while doing other things
Hi there, I've replaced the saveas function with print function, and used *'figure(handle) and print(handle)'* instead of *'hand...

8 years ago | 0

| accepted

Question


about saving figure while doing other things
Hi there, I used ' *saveas(gcf,'pic_name')*' to save my matlab figures, when running my code, I watched movies on computer, to m...

8 years ago | 1 answer | 0

1

answer

Answered
How to save current figure as a picture such as png or bmp?
And this is the distorted picture I've saved <</matlabcentral/answers/uploaded_files/64550/0828_m1_PR.bmp>>

8 years ago | 0

Question


How to save current figure as a picture such as png or bmp?
Hi there, I've used the 'print' and 'saveas' function to save my current figure as a picture, but I found the picture I've saved...

8 years ago | 2 answers | 0

2

answers

Question


How to plot a picture in squared sized using imagesc?
<</matlabcentral/answers/uploaded_files/59908/1.bmp>> Hi there, i'm using imagesc to plot a colormap, in which the x/y data a...

8 years ago | 1 answer | 0

1

answer

Question


How to draw the audio track from a video which contains audio?
Hi there, I want to draw the audio track and analyze it from a video which has audio, but it seems that the "videoreader" cannot...

8 years ago | 1 answer | 0

1

answer

Question


How to test the difference between 2 groups of 2D matrix?
Hi there, I have 2 groups of 2D matrix, which stand for two groups of points in 2D coordinate,i.e. group1:[x1,y1],[x2,y2],[...

8 years ago | 2 answers | 0

2

answers

Question


How to use imellipse for GUI?
Hi there,I'd like to extract a ellipse-like roi area, but the "imellipse" I noticed cannot include the theta angle, so I wonder ...

8 years ago | 0 answers | 0

0

answers

Question


Fast radial symmetry transform to distinguish the pupil
Hi there, i've read the paper about fast radial symmetry transform(Loy and Zelinsky) but don't understand well, i wonder if anyb...

8 years ago | 1 answer | 0

1

answer

Question


How to fit an ellipse based on marginal data with some noisy data?
Hi there, I want to fit an ellipse with some marginal data sets, but there are some noisy data that can have a great influence o...

9 years ago | 0 answers | 0

0

answers

Question


How to divide a matrix and find the index?
Hi there, I have a matrix such as a = ['hello' 'hi' 'bye';1 3 5], i want to use the 2nd column to categorize the matrix, but wh...

9 years ago | 1 answer | 0

1

answer