MATLAB Programming

Importing Text Data
Table 6-1
ASCII Data File Formats (Continued)
Data Format Sample
Ann Type1 12.34 45 Yes
Joe Type2 45.67 67 No
Grade1 Grade2 Grade3
91.5 89.2 77.3
88.0 67.8 91.0
67.3 78.1 92.5
File
Extension
.txt
.dat
or other
.txt
.dat
or other
Description
See “Importing Numeric Data
with Text Headers” on page
6-80 for information.
See “Importing Numeric Data
with Text Headers” on page
6-80 or “Using the Import
Wizard” on page 6-9 for
information.
If you are familiar with MATLAB import functions but are not sure when
to use them, see the following table, which compares the features of each
function.
Table 6-2
ASCII Data Import Function Features
Function Data Type Delimiters
csvread Numeric data Commas
only
dlmread Numeric data Any
character
Number
of Return
Values
One
One
Notes
Primarily used
with spreadsheet
data. See
“Working with
Spreadsheets” on
page 6-97.
Flexible and easy
to use.
6-77