Question

Transforming uniform variables to normal variables

Hello, How would you transform variables with uniform distribution [0,1] to variables with a normal normal distribution in M...

nästan 10 år ago | 3 answers | 0

Question

transforming the distribution of variables

Hello, Would anybody know if there is a function in matlab to transform a continuous random variable x to a uniform distribu...

nästan 10 år ago | 1 answer | 0

Question

Normalizing a histogram

Hello, I've plotted a histogram of some data. Here it is http://dl.dropbox.com/u/54057365/All/departure%20time.JPG How can...

nästan 10 år ago | 5 answers | 0

Question

Creating a histogram

Hi, Is the correct syntax to create a histogram of data X with 22 bins the following hist(X,22) When I type it noti...

nästan 10 år ago | 1 answer | 0

Question

plotting a cdf over a histogram

Hello, I've plotted a histogram of some data. Here it is <http://dl.dropbox.com/u/54057365/All/departure%20time.JPG> How ...

nästan 10 år ago | 1 answer | 0

Question

How to save 2 column vectors to an excel file

Hi, What is the correct syntax to save to vectors x and y to an excel file in columns A and B? Is it xlswrite(C:\Fold...

nästan 10 år ago | 1 answer | 0

Question

saving vectors to an excel file

Hello, I am importing data from excel files, performing a process and saving data to a .mat file. My question is, how co...

nästan 10 år ago | 1 answer | 0

Question

trying to create a new vector from 2 vectors.

Hello, I have a routine below that reads in an excel file. The vector y is created. It then computes r from a function and f...

nästan 10 år ago | 3 answers | 0

Question

basic code question

Hello, If I had two vectors x1 and x2. How could I make vector x3 with all the elements of x2 except the first 3 elements an...

nästan 10 år ago | 3 answers | 0

Question

basic code question

Hello, If I have a 2 vectors A and B, how would I save them as one vector in the workspace called C? For example C would be ...

nästan 10 år ago | 1 answer | 0

Question

writing a formula in matlab

Hello, I'm trying to write a function in matlab. I have an example: A gaussian kernel is % Gaussian kernel fun...

nästan 10 år ago | 1 answer | 0

Question

basic code question

Hello What does the '@' symbol do in this equation? Is the first (z) multiplied the e^(...)? thank you % Gaussi...

nästan 10 år ago | 2 answers | 0

Question

basic code question

Hello, Say I have a vector 'data' with 2 columns. What would be the code to set x = to the first column and y equal to t...

nästan 10 år ago | 1 answer | 0

Question

kernel smoothing matlab

Hello, Would anybody know how to smooth data with kernel smoothing regression. Here is an example http://dl.dropbox.com/u/...

nästan 10 år ago | 0 answers | 0

Question

Correct syntax for ksdensity() function

Hello, I'm trying to use the kernal smoothing density function http://www.mathworks.co.uk/help/toolbox/stats/ksdensity.h...

nästan 10 år ago | 1 answer | 0

Question

dir() function not working?

Hello, I'm trying to rename some files using the code below. It works if I list the file names at the beginning but there ar...

nästan 10 år ago | 1 answer | 0

Question

opening many files and changing code to match file name

Hello, I was hoping that somebody might be able to help me with a problem that I have. I have 1000 files in the current dire...

nästan 10 år ago | 2 answers | 0

Question

Renaming a lot of files

Hello, I've made a 1000 copies of a file in the current directory. For example RW.a_process Copy of RW.a_process ...

nästan 10 år ago | 3 answers | 0

Question

loop through files not working correctly.

Hello, I'm trying to convert .xls files in a folder into .mat files, but the code is not looping through the files correctly....

nästan 10 år ago | 1 answer | 0

Question

Preventing unwanted variables being saved in .mat file

Hi there, I am using the code below to create a .mat file. In the .mat file it is saving # fn # k # nrows # sch...

nästan 10 år ago | 1 answer | 0

Question

Determining the second last row

Hi there, How would you code the number of rows minus one? Below I use size() to find the number of rows, but I want to set ...

nästan 10 år ago | 2 answers | 0

Question

Seeking help to automate a simple process if possible

Hello, I'm using a software that is based on the Matlab environment. I have a simple problem that I was hoping somebody ...

nästan 10 år ago | 2 answers | 0

Question

Converting .mat files to .xls

Hello, I'm trying to load 1000 .mat files with file names cycle1.mat cycle 2.mat...cycle1000.mat and save them as excel file...

nästan 10 år ago | 0 answers | 0

Question

Can you use DIR to list files in subfolders ?

Hello, Would somebody be able to advise me on how to use DIR to find the dates that each file was last modified with a .mat ...

nästan 10 år ago | 7 answers | 1

Question

Help to rename files in order of date and time created

Hello, I am hoping that somebody could perhaps help me out with a problem that I have. I'm trying to change the name of file...

nästan 10 år ago | 1 answer | 0

Question

K-means clustering, is it possible to get vertical boundaries?

Hello, I have performed K-means clustering on some data and formed 3 clusters. Here is a graph <http://dl.dropbox.com/u/5...

nästan 10 år ago | 1 answer | 0

Question

Calculating a weighted average of multiple matrices

Hello, I was hoping that perhaps somebody could help me out with a problem that I have. It is a relatively simple operation (...

nästan 10 år ago | 1 answer | 0

Question

Converting a .mat file to .xls

Hi there, Is there anyway to convert a .mat file to an excel file in matlab? Thank you

nästan 10 år ago | 2 answers | 0

Question

creating a single structure with 100 entries

Hello, I was hoping that perhaps somebody could help me out with a problem that I have. I have imported 100 4x4 matrices...

nästan 10 år ago | 1 answer | 0

Question

help with a simple error

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 ma...

nästan 10 år ago | 1 answer | 0