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John Hunt


Last seen: 3 mois il y a |  Actif depuis 2017

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Default output for ps in the spectrogram function
The matlab spectrogram function one of the outputs is "ps". In the documentation it states "[___,ps] = spectrogram(___,spect...

environ un an il y a | 1 réponse | 0

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Question


How to copy a video file from an external drive to the current workspace?
I am working on a script which will loop through a group of large videos that I have on an external drive. In psuedo codo I want...

plus d'un an il y a | 1 réponse | 0

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How to read a text file with multiple data sets in it with a starting line?
While I was looking into this I ran into the "importdata" function which splits up my data into two parts. The first is "text da...

plus de 4 ans il y a | 0

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How to read a text file with multiple data sets in it with a starting line?
I have a data file that is from a CNC machine with load cells. I want to read it in to matlab and be able to analyze it, but it...

plus de 4 ans il y a | 1 réponse | 0

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I cannot get Spectrogram to highlight a single frequency signal
dpb answered this question in the comments sin() uses radians and the conversion from radians to hertz is 1/(2pi) and 440/(2pi...

plus de 4 ans il y a | 0

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I cannot get Spectrogram to highlight a single frequency signal
I want to use the spectrogram function in matlab, before I do I wanted to make sure I understand it. So I did a small example wi...

plus de 4 ans il y a | 1 réponse | 0

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Question


Is matlab getting rid of the string variable?
I tried to run a program that I made in matlab to write some G code and I got an error saying that the variable type sting will ...

environ 5 ans il y a | 1 réponse | 0

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Question


How can I get a second x axis in my guide gui?
I have a simple gui that is plotting 5 different plots from the same set of data. The x axis are all in position (mm), with dif...

plus de 5 ans il y a | 1 réponse | 0

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Question


How to switch between plotting on two different axis in one gui function
I have a data set that includes 25 sets of time, position x, y,z forces, and torque. I am using a GUI to access all of the dat...

presque 6 ans il y a | 1 réponse | 0

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Question


I made a plot and the markers are really ugly, does anyone know why my plot is doing this? (see plot below)
<</matlabcentral/answers/uploaded_files/132772/g.png>>

plus de 6 ans il y a | 1 réponse | 0

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Question


How to fix plotting issues?
I am making some plots by plotting data that is in a big cell array. When I plot it on my personal laptop the picture is ugly (...

plus de 6 ans il y a | 1 réponse | 1

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Question


How to minimize a midpoint of a 3D line to a 3D data set?
I have two points pt1 = (36.77, 11.63, -38.82) pt2 = (31.77, 14.61, -31.09). I also have a set of data points that I need to us...

environ 7 ans il y a | 1 réponse | 0

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Question


How to group rows of data into a cell of a cell array?
I have a data that has xyz information as well as three numbers that group each point together. As an example a row might have ...

environ 7 ans il y a | 2 réponses | 0

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Question


How to find set of 3 in a 122x4 matrix?
I have a matrix that is 122x4. These have index numbers 1-36 with two only rows containing three points that are common between...

environ 7 ans il y a | 1 réponse | 0

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Question


I want to build a structure that includes multiple matrices
I want to build about 100 matrices that are just zeros that have three columns and one row. I then want to populate these m...

environ 7 ans il y a | 1 réponse | 0

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Question


How to cut duplicate rows from a matrix
I have a matrix that has 60,000+ rows and there are duplicate of rows in this matrix example: [1 2 3; 1 2 3; 2 3 3; 2 ...

environ 7 ans il y a | 1 réponse | 0

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Question


How can I create a new matrix from certain columns from another matrix?
If I have a large matrix (60000,51) and I want the first three columns and the 37-42 columns in a new matrix how can I do that?

environ 7 ans il y a | 1 réponse | 1

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Question


How can I sort my data by within a sorting
I have a set of x,y,z data. I want to have all of the data sorted by x (least to greatest), then I want to have the y data be s...

environ 7 ans il y a | 2 réponses | 0

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Question


How to call data from a structure?
I have a structure that is 1x36. Each of the cells has data that I would like to call and use. How can I do that?

environ 7 ans il y a | 1 réponse | 0

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Question


How can I make smaller matrices (size unknown) from a large matrix?
I have a matrix that has 51 columns and 46999 rows. The 8th column has values 1 to 36. I want to create a matrix for each valu...

environ 7 ans il y a | 1 réponse | 0

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