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Fan Yang


Last seen: 6 months ago |  Active since 2018

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what filter can be used to remove background noise in my signal?
I was given a signal with lots of noise, particulary noise from x*100hz where x = (1:1:100). Below is the frequency representat...

2 years ago | 1 answer | 0

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answer

Question


How to remove multiple evenly spaced frequency components from digital signal
Hey guy, the FFT of my acustic signal returned some evenly spaced back group noisey frequencies 3,6,9,12,15hz. To remove them a...

2 years ago | 0 answers | 0

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answers

Question


Failed to establish a TCP connection between two computers on MATLAB
I am try to establish a TCP connection between two computers using tcpserver and tcpclient so that the client send a number 0 ev...

2 years ago | 1 answer | 0

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answer

Question


How to make the errorbar and the data line have different line width
I am trying to plot a like with errorbar using errorbar function. dt = [sin((1:10));cos((1:10))] errorbar(mean(dt),std(dt)) W...

2 years ago | 1 answer | 0

1

answer

Question


Errorbar overlapping with the left and right border of a plot
a = [1,2,3,4;5,6,7,8] errorbar(mean(a),std(a)) The two lines of code above generate an line of mean value with errorbars. How...

2 years ago | 1 answer | 0

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answer

Question


plot lines with different x axes on the same MATLAB plot
I am trying to plot two lines with diffenent x axes on the same plot, but matlab kept "avoiding" the first plot and only plot th...

2 years ago | 1 answer | 0

1

answer

Question


prepare a table for fitrm and manova
I am try to perform a one way repeated measure MANOVA on a set of data. In this data, I have 6 subjects. Each subject is measure...

2 years ago | 1 answer | 0

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answer

Question


how can I open the movie player window beforehand?
Hey guys, I need to display a video made out of a sequence of images. I used implay function, but it have a problem. It tool ...

2 years ago | 1 answer | 0

1

answer

Question


execute a block of code based on real time analog input
Hey guys, I am trying to to sychnronize EEG acquisition and visual stimulation so that they achieve time alignment. My EEG equi...

2 years ago | 0 answers | 0

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answers

Question


Arduino support package send two value at the same time to different port
I need to trigger EEG and fMRI at the same time by a visual stimulation I wrote in matlab. I can use the arduino support package...

2 years ago | 0 answers | 0

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answers

Question


My white and black strips becomes a a black surface using imread and imshow
I have a .PNG picture containing black and white strips shown below. I was trying show this image in MATLAB using imread and ...

2 years ago | 1 answer | 0

1

answer

Question


cell array manipulation and cell array conversion
Hi guys, I have a cell array containing date and time (from year to millisecond). how can I manipulate the cell array so it only...

4 years ago | 1 answer | 0

1

answer

Question


A problem I have using the subplot command
When I run the script, I expect one of the outpots to be a 8 by 3 subplot. However, one of the plots in the subplot is missing...

4 years ago | 1 answer | 0

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answer

Question


How to put a name on each double variable in a cell array"
Hi guys, I am trying to load all the data, as a numberic array, into a cell array K, but I wand to be able to identity which fi...

4 years ago | 1 answer | 0

1

answer

Answered
# of elements mismatch
Thanks for your answer! You are abslutely right. It is an 0 X 0 empty char array, but how did this empty cell sneak into this v...

4 years ago | 0

Question


# of elements mismatch
Hi you all, I have a cell array named tlthat only has 96 elements in the fist column, and those are all the element in this arr...

4 years ago | 3 answers | 0

3

answers

Question


how does the vector extration operated in the following commands
a=[3 1 2 12 4] x=(2:end) why does x contain 1, 2, 12, and 4?

5 years ago | 1 answer | 0

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