MATLAB 支持的文件格式 以及简单的操作函数

File Formats - Supported file formats

Description

This table shows the file formats that you can import and export from the MATLAB application.

You can import any of these file formats using the Import Wizard or the importdata function, except:

netCDF

H5

Motion JPEG 2000

Platform-specific video

The importdata function cannot read HDF files.

File Content	Extension	Description	Import Function	Export Function
MATLAB formatted data	MAT	Saved MATLAB workspace	load	save
Text	any	White-space delimited numbers	load	save -ascii
Delimited numbers	dlmread	dlmwrite
Delimited numbers, or a mix of strings and numbers	textscan
Spreadsheet	XLS	Microsoft Excel worksheet	xlsread	xlswrite
XLSX XLSB XLSM	Formats supported with Excel 2007 for Windows installed
Extended Markup Language	XML	XML-formatted text	xmlread	xmlwrite
Data Acquisition Toolbox file	DAQ	Data Acquisition Toolbox	daqread	none
Scientific data	CDF	Common Data Format	cdfread, or see cdflib	cdfwrite, or see cdflib
FITS	Flexible Image Transport System	fitsread	none
HDF	Hierarchical Data Format, version 4, or HDF-EOS v. 2	hdfread
H5	HDF or HDF-EOS, version 5	hdf5read	hdf5write
NC	Network Common Data Form (netCDF)	See netcdf	See netcdf
Image	BMP	Windows Bitmap	imread	imwrite
GIF	Graphics Interchange Format
HDF	Hierarchical Data Format
JPEG JPG	Joint Photographic Experts Group
JP2 JPF JPX J2C J2K	JPEG 2000
PBM	Portable Bitmap
PCX	Paintbrush
PGM	Portable Graymap
PNG	Portable Network Graphics
PNM	Portable Any Map
PPM	Portable Pixmap
RAS	Sun Raster
TIFF TIF	Tagged Image File Format
XWD	X Window Dump
CUR	Windows Cursor resources	imread	none
FITS FTS	Flexible Image Transport System
ICO	Windows Icon resources
Audio file	AU SND	NeXT/Sun sound	auread	auwrite
WAV	Microsoft WAVE sound	wavread	wavwrite
Video (all platforms)	AVI	Audio Video Interleave	mmreader	avifile
MJ2	Motion JPEG 2000	mmreader	none
Video (Windows)	MPG	Motion Picture Experts Group, phases 1 and 2	mmreader	none
ASF ASX WMV	Windows Media®
any	Formats supported by Microsoft DirectShow®
Video (Mac®)	MPG MP4 M4V	MPEG-1 and MPEG-4	mmreader	none
any	Formats supported by QuickTime®, including .mov, .3gp, .3g2, and .dv
Video (Linux)	any	Formats supported by your installed GStreamer plug-ins, including .ogg	mmreader	none

http://www.mathworks.com/access/helpdesk/help/techdoc/ref/fileformats.html;jsessionid=Nhd0LJTQpN205dnpFP151tjRyMysT8yrKvcwV2YJ0bHYphrx54bG!580148501