Question

Importing matrices in text files and creating a structure with 100 entries
Hello there, I was hoping that somebody could perhaps help me out with a problem that I have. I'm only learning how to use m...

plus de 14 ans il y a | 1 réponse | 0

1

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Question

Convert cell array to vector
Hi there, I have imported time values (i.e 12:57:00) into matlab using the textscan() function. fid = fopen('time.txt'...

plus de 14 ans il y a | 1 réponse | 0

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Question

Correct syntax for textscan() function
Hello there, Would anybody know the correct syntax to import a column of time values from a text file using the textscan() f...

plus de 14 ans il y a | 1 réponse | 0

1

réponse

Question

Importing time values into matlab in format hh:mm without converting to demical
Hello, How can you import time values in the format hh:mm (i.e. 09:31 21:13) in a text file into matlab? When I load lik...

plus de 14 ans il y a | 1 réponse | 0

1

réponse

Question

Determining optimal number of bins for chi squared distribution
Hello, I am applying a chi squared distribution to histogram. Is there any way in matlab to determine the optimal number of ...

plus de 14 ans il y a | 1 réponse | 0

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Question

How to get the number of bin and bin edges from chi2gof test
Hi there, I am fitting a chi squared distribution to data, could some tell me what is the correct syntax to return the numbe...

plus de 14 ans il y a | 1 réponse | 0

1

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Question

Return the number of the row that contains the largest value in column vectors
Hi there, Is there a way in matlab to return the number of a row that contains the largest value? For example, for the fo...

plus de 14 ans il y a | 1 réponse | 0

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Question

Changing the output of a neural network
Hi there, I have a problem with the output of a neural network for data classification. The network has 4 target vectors. ...

plus de 14 ans il y a | 1 réponse | 0

1

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Question

Changing the format of output of data from a neural network
Hi there, I'm using the code below to loop through files in a folder and classifying data with a neural network. files...

plus de 14 ans il y a | 1 réponse | 0

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Question

Seeking help with neural network problem - willing to pay 50-100 euro
Hi there, Are you allowed to post jobs on here? I'm looking for somebody to create a neural network for me for data classi...

plus de 14 ans il y a | 1 réponse | 3

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Question

General questions about neural networks for data classification
Hi there, I have a few general questions about data classification using neural networks. I've been "playing around" wit...

plus de 14 ans il y a | 1 réponse | 1

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Question

Does the nprtool normalize inputs for you, or do you have to normalize the inputs before importing them?
Hi I have a question about the nprtool GUI. Is it necessary to normalize the inputs before importing them into the tool?...

plus de 14 ans il y a | 1 réponse | 0

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Question

How to plot a complicated 3D graph
Hi there, I'm only new to matlab but I'm trying to plot a graph like this http://img823.imageshack.us/img823/4365/deparr...

plus de 14 ans il y a | 1 réponse | 0

1

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Question

classifying data files in a folder with neural network
Hi there, I was hoping somebody could advise me on how to achieve something with neural networks. I used the neural network pa...

plus de 14 ans il y a | 1 réponse | 0

1

réponse

Question

Normalizing data for neural networks
Hi, I've read that it is good practice to normalize data before training a neural network. There are different ways of norma...

plus de 14 ans il y a | 5 réponses | 2

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réponses

Question

Axis numbers on histogram
Hello there, I'm trying to plot a histogram plot of departure times on the 24-hour time scale. Here is an example of what...

plus de 14 ans il y a | 2 réponses | 0

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Question

Question abut the Chi-square probability density function
Hi there, I have question regarding the arguments X and V in the Chi-square probability density function. http://www.math...

plus de 14 ans il y a | 3 réponses | 0

3

réponses

Question

Normalizing data
Hi there, How would you normalize a column of data in matlab between 0 and 1 using the formula, z = (x-mean)/standard deviat...

plus de 14 ans il y a | 4 réponses | 0

4

réponses

Question

Plotting a normalised histogram graph
Hi there, I've imported a column vector of 3000 'distances traveled' values. I am hoping to plot a graph similar to this ...

plus de 14 ans il y a | 2 réponses | 0

2

réponses

Question

Setting name of variable equal to name of imported file
Hi, I'm importing data into Matlab from excel via the following command: cycle=xlsread('E:\DC.xlsx','Sheet1'); How ca...

plus de 14 ans il y a | 2 réponses | 0

2

réponses

Question

importing data from excel, finding the last row and inserting value in a matrix
Hi, I'm importing data into Matlab from excel via the following command: cycle=xlsread('E:\dc.xlsx','Sheet1') I do n...

plus de 14 ans il y a | 2 réponses | 0

2

réponses

Question

reading excel data, without knowing range
Hi, I have a line of code that reads in files from excel for a specific range. However, I don't know the last row of data in ...

plus de 14 ans il y a | 2 réponses | 1

2

réponses

Question

reading .xlsx files and saving as .mat files
Hello, I'm trying to read in .xlsx files from the current folder and save them as .mat files to the same folder. However, th...

plus de 14 ans il y a | 1 réponse | 0

1

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Question

mesh plot with lines only
Hi, I'm trying to plot 2 lines using the mesh function, This is what I hoping to achieve. This example graph has 45 lines...

plus de 14 ans il y a | 1 réponse | 1

1

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Réponse apportée
how to plot line profiles in 3D
hi, What would be the command to plot the lines in the mesh grid so that it looks like this http://img39.imageshack.us/im...

plus de 14 ans il y a | 0

Réponse apportée
how to plot line profiles in 3D
Hi, I'm not very good at matlab, if I import the coordinates like this: x = load('x.txt.'); y1 = load('y1.txt.'); y2 = ...

plus de 14 ans il y a | 0

Question

how to plot line profiles in 3D
Hi, Could someone please advise me how I can plot this graph in matlab? http://img39.imageshack.us/img39/9412/chartp.jpg ...

plus de 14 ans il y a | 3 réponses | 1

3

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Réponse apportée
Question about k means clustering
Yes it is! Thanks

plus de 14 ans il y a | 0

Question

Question about k means clustering
Hi there, After you have clustered data, how can you find out or get a print out of what cluster each point has been assigned ...

plus de 14 ans il y a | 2 réponses | 0

2

réponses

Question

k means clustering: Classifying subsequent to a particular cluster - can it be done?
Hi there, I have question in relation to k means clustering. Say I created two clusters from data. For example using this code...

plus de 14 ans il y a | 1 réponse | 0

1

réponse