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Sharah


Imperial College London

Active since 2014

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get continuous data in while loop through serial
Hello, I need help with reading data from serial. Basically I have arduino that sends data "0" or "1" randomly every 2-4 sec...

ongeveer 6 jaar ago | 1 answer | 1

1

answer

Question


How to get first value of an array with condition
I need to get the first value of a matrix (x2 below) that I initially put condition to, for example: x1 = Data{i}.Error(...

meer dan 6 jaar ago | 1 answer | 0

1

answer

Question


MATLAB Editor bounce left when scrolling
I have this weird problem since changing to either R2017b. I wonder how can I solve this because it is getting really annoying n...

ongeveer 7 jaar ago | 0 answers | 0

0

answers

Question


How to properly extract data from text file.
I have a data in a text file that looks basically like this: LineType: 1 PlayMode: Single GameType: OneBalloon Lin...

bijna 8 jaar ago | 2 answers | 0

2

answers

Question


[p,S] = polyfit(x,y,n); how to get S manually
I am trying to get the value of S same as the output from polyfit so that I can calculate the value of confidence interval using...

ongeveer 8 jaar ago | 1 answer | 0

1

answer

Answered
Tracking 3d gait from accelerometer data
What do you mean by "rebuild the step gait combining the result for each axis"? Usually you would do double integration on al...

meer dan 8 jaar ago | 0

Question


How to combine the name of struct together
I am trying to add data into few struct with different name, say if k = 'TD', put data into Data.TD(i).somethi...

meer dan 8 jaar ago | 1 answer | 0

1

answer

Question


Ranksum test U value
I need to report the U value of the ranksum test in my paper, but I am not sure what command for me to use to get this value in ...

meer dan 8 jaar ago | 1 answer | 0

1

answer

Question


how to change the axis line color white but maintain the font color black?
<</matlabcentral/answers/uploaded_files/62099/ignore-outliers-in-ggplot2.png>> I am trying to get a graph look like this, but...

meer dan 8 jaar ago | 3 answers | 0

3

answers

Question


Why isn't there any simple command to create a grouped boxplot in MATLAB yet?
I am trying to plot a grouped boxplot on MATLAB but surprisingly Excel can do better!Can anyone suggest the best way to create a...

meer dan 8 jaar ago | 1 answer | 0

1

answer

Question


Rotate the plot at 45 degree
<</matlabcentral/answers/uploaded_files/60204/Screen%20Shot%202016-09-29%20at%2010.59.43.png>> Can anyone tell me how to rota...

meer dan 8 jaar ago | 2 answers | 0

2

answers

Question


Calculating linear fit with respect from origin (0,0)
I have a data of DataX and Data Y, which is plotted in the blue line as in picture.I am trying to analyse how much the blue line...

meer dan 8 jaar ago | 1 answer | 0

1

answer

Question


Calculate difference in Euler angle
Hello. I have a set of Euler data (yaw, pitch roll). I need to calculate the *relative differences* in the, for example, the *ya...

meer dan 8 jaar ago | 1 answer | 0

1

answer

Question


converting to cell to matrix- not working
I have a cell as in the picture below 10 columns of {35x1} <</matlabcentral/answers/uploaded_files/52473/Screen%20Shot%20...

bijna 9 jaar ago | 1 answer | 0

1

answer

Question


how to check the direction of a plot (monotonicity)
I would like to check the percentage of data going forward instead of going backward in a data. For example in the following ima...

bijna 9 jaar ago | 1 answer | 0

1

answer

Question


Standard deviation across plots
<</matlabcentral/answers/uploaded_files/45382/Screen%20Shot%202016-02-15%20at%2011.34.46.png>> I am trying to do an analysis ...

ongeveer 9 jaar ago | 1 answer | 0

1

answer

Question


using ismember function column by column
let say i have this code: VoidSubject = [1, 3, 6]; VoidTrial = [2, 3, 5]; for subject = 1:20 for trial = 1:10 ...

ongeveer 9 jaar ago | 1 answer | 0

1

answer

Question


taking multiple column to form a struct
hello, I have a data set from text file, which is a 1x 13 size file. first I diff the data only to take the value of the data fr...

ongeveer 9 jaar ago | 1 answer | 0

1

answer

Question


How to use unique function to get data only when the number in one row increases
Hello, I am trying to figure out on how to extract data only when the number in one of the row increases; for example: a...

ongeveer 9 jaar ago | 1 answer | 0

1

answer

Question


Plotting radar plot in matlab like the one in excel
hello, i have been looking around for ages about this. there's a function in excel where i can plot data in circle. for examp...

bijna 10 jaar ago | 1 answer | 0

1

answer

Question


how to detect point before it went on plateau
Hello everyone, I am new to matlab and I am doing a force analysis. I would like to detect a point in matlab before it went on a...

meer dan 10 jaar ago | 1 answer | 0

1

answer

Question


How to find number of times graph goes back to zero
Hello everyone, I am new to MATLAB and I am currently plotting a normalised gyroscope data as in the picture below, and I am try...

meer dan 10 jaar ago | 1 answer | 0

1

answer