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

noneVideo (Windows)

MPG

Motion Picture Experts Group, phases 1 and 2

mmreadernone

ASF
ASX
WMV

Windows Media^®

any

Formats supported by Microsoft DirectShow^®

Video (Mac^®)

MPG
MP4
M4V

MPEG-1 and MPEG-4

mmreadernone

any

Formats supported by QuickTime^®, including .mov, .3gp, .3g2, and .dv

Video (Linux)

any

Formats supported by your installed GStreamer plug-ins, including .ogg

mmreadernone

 

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