How can i make use of csv file format in my matlab coding

i have vibration data store from machine in csv file format. i tried to load data to Matlab by command " load vib_data.csv" but it fails to work.

[per isakson]

Searc for "Importing Text Data Files" in the help

Answer 1

[Shane]

Yes, csvread will be the function to use as it brings in all of the data into a single matrix without having to convert it from a cell array.

A = csvread('filepath\filename.csv')

Please keep in mind that csvread works with numeric data only. I would assume that your vibration data is most likely all numeric anyways but any headers or annotations that are present in the csv will not be imported by matlab.

[Khan]

Thanks yes you are right all data is in numeric form. when i try this command also gives error.

[Shane]

Can you show us the error?

[Khan]

??? Error using ==> dlmread at 145 Out of memory. Type HELP MEMORY for your options.

Error in ==> csvread at 52 m=dlmread(filename, ',', r, c);

Error in ==> FFT_Algo at 7 x = csvread('vib_data.csv');

[Thomas]

How big is your data and how much memory do you have on the system.. Read only as much of the data that you need. This might mean that you have to write your own parser, but that's not too hard with the indicated file format.

[Khan]

thank you all for your kind cooperation i will find out how much data i need for my analysis because i have total data about 3 GB. if i had any inconvenience i will let you know Thanks and regards Khan

Answer 2

[Thomas]

try the csvread command

http://www.mathworks.com/help/matlab/ref/csvread.html