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Undefined function or variable
조회 수: 9 (최근 30일)
이전 댓글 표시
Thao Ha
2017년 12월 4일
When I tried to run the file "project.m" in the folder "C:\Users\MyName\Documents\MATLAB", it always showed the error "Undefined function or variable 'project'" even though I already set PATH for MATLAB to point to that MATLAB folder. I have a student license lasting till Oct 31, 2018
댓글 수: 19
Guillaume
2017년 12월 4일
"even though I already set PATH for MATLAB"
Clearly, that did not work. How do you set the matlab path?
Walter Roberson
2017년 12월 4일
Please show the output of:
folder = 'C:\Users\Thao Ha\Documents\MATLAB';
if ~exist(folder, 'dir')
fprintf('folder "%s" does not exist?\n', folder);
else
dinfo = dir( fullfile(folder, 'project*.*') );
if isempty(dinfo)
fprintf('folder "%s" does not have any project*.* files\n', folder);
else
fprintf('project*.* files in folder "%s" are:\n', folder);
celldisp({dinfo.name});
fprintf('\n');
end
dinfo = dir( fullfile(folder, '*.m') );
if isempty(dinfo)
fprintf('folder "%s" does not have any *.m files\n', folder);
else
fprintf('*.m files in folder "%s" are:\n', folder);
celldisp({dinfo.name});
fprintf('\n');
end
end
Walter Roberson
2017년 12월 4일
You accidentally copied my code as 'dir ' instead of 'dir'. Also you copied
dinfo = dir( fullfile(folder, '*.m') );
as
dinfo = dir( fullfile(folder, '*.m ') );
I have attached the code as a .m file that you can download and run.
Walter Roberson
2017년 12월 4일
Download it into a directory, cd to the directory and try
run('testpath.m')
Walter Roberson
2017년 12월 4일
편집: Walter Roberson
2017년 12월 4일
Please show the output of executing
which path
which matlabpath
matlabpath
inside MATLAB
Thao Ha
2017년 12월 5일
편집: Walter Roberson
2017년 12월 5일
>> which path
C:\Program Files\MATLAB\R2017b\toolbox\matlab\general\path.m
>> which matlabpath
built-in (C:\Program Files\MATLAB\R2017b\toolbox\matlab\general\matlabpath)
>> matlabpath
MATLABPATH
C:\Users\Thao Ha\Documents\MATLAB
C:\Program Files\MATLAB\R2017b\toolbox\matlab\addons
C:\Program Files\MATLAB\R2017b\toolbox\matlab\addons\cef
C:\Program Files\MATLAB\R2017b\toolbox\matlab\addons\fallbackmanager
C:\Program Files\MATLAB\R2017b\toolbox\matlab\addons\supportpackages
C:\Program Files\MATLAB\R2017b\toolbox\matlab\addons_product
C:\Program Files\MATLAB\R2017b\toolbox\matlab\supportpackagemanagement
C:\Program Files\MATLAB\R2017b\toolbox\matlab\addons_toolbox
C:\Program Files\MATLAB\R2017b\toolbox\matlab\addon_enable_disable_management\matlab
C:\Program Files\MATLAB\R2017b\toolbox\matlab\appdesigner\appdesigner
C:\Program Files\MATLAB\R2017b\toolbox\matlab\appdesigner\appdesigner\interface
C:\Program Files\MATLAB\R2017b\toolbox\matlab\appdesigner\appdesigner\runtime
C:\Program Files\MATLAB\R2017b\toolbox\matlab\apps
C:\Program Files\MATLAB\R2017b\toolbox\matlab\audiovideo
C:\Program Files\MATLAB\R2017b\toolbox\matlab\cefclient
C:\Program Files\MATLAB\R2017b\toolbox\matlab\configtools
C:\Program Files\MATLAB\R2017b\toolbox\matlab\connector2\common
C:\Program Files\MATLAB\R2017b\toolbox\matlab\connector2\configuration
C:\Program Files\MATLAB\R2017b\toolbox\matlab\connector2\connector
C:\Program Files\MATLAB\R2017b\toolbox\matlab\connector2\editor
C:\Program Files\MATLAB\R2017b\toolbox\matlab\connector2\figures
C:\Program Files\MATLAB\R2017b\toolbox\matlab\connector2\file
C:\Program Files\MATLAB\R2017b\toolbox\matlab\connector2\framework
C:\Program Files\MATLAB\R2017b\toolbox\matlab\connector2\http
C:\Program Files\MATLAB\R2017b\toolbox\matlab\connector2\interpreter
C:\Program Files\MATLAB\R2017b\toolbox\matlab\connector2\json
C:\Program Files\MATLAB\R2017b\toolbox\matlab\connector2\logger
C:\Program Files\MATLAB\R2017b\toolbox\matlab\connector2\messageservice
C:\Program Files\MATLAB\R2017b\toolbox\matlab\connector2\mgg
C:\Program Files\MATLAB\R2017b\toolbox\matlab\connector2\microservices
C:\Program Files\MATLAB\R2017b\toolbox\matlab\connector2\nativebridge
C:\Program Files\MATLAB\R2017b\toolbox\matlab\connector2\restmatlab
C:\Program Files\MATLAB\R2017b\toolbox\matlab\connector2\security
C:\Program Files\MATLAB\R2017b\toolbox\matlab\connector2\session
C:\Program Files\MATLAB\R2017b\toolbox\matlab\connector2\shadowfiles
C:\Program Files\MATLAB\R2017b\toolbox\matlab\connector2\usmatlabhost
C:\Program Files\MATLAB\R2017b\toolbox\matlab\connector2\visualization
C:\Program Files\MATLAB\R2017b\toolbox\matlab\connector2\worker
C:\Program Files\MATLAB\R2017b\toolbox\matlab\reports
C:\Program Files\MATLAB\R2017b\toolbox\matlab\datatools\datatoolsservices\matlab
C:\Program Files\MATLAB\R2017b\toolbox\matlab\datatools\inspector\matlab
C:\Program Files\MATLAB\R2017b\toolbox\matlab\datatools\peermodel_mcos\matlab
C:\Program Files\MATLAB\R2017b\toolbox\matlab\datatools\plotstab\matlab
C:\Program Files\MATLAB\R2017b\toolbox\matlab\datatools\variableeditor\matlab
C:\Program Files\MATLAB\R2017b\toolbox\matlab\external\engines\engine_api
C:\Program Files\MATLAB\R2017b\toolbox\matlab\filebrowser
C:\Program Files\MATLAB\R2017b\toolbox\matlab\findfiles
C:\Program Files\MATLAB\R2017b\toolbox\matlab\uitools\uicomponents\components
C:\Program Files\MATLAB\R2017b\toolbox\matlab\imagesci
C:\Program Files\MATLAB\R2017b\toolbox\matlab\datafun
C:\Program Files\MATLAB\R2017b\toolbox\matlab\datatypes
C:\Program Files\MATLAB\R2017b\toolbox\matlab\elfun
C:\Program Files\MATLAB\R2017b\toolbox\matlab\elmat
C:\Program Files\MATLAB\R2017b\toolbox\matlab\funfun
C:\Program Files\MATLAB\R2017b\toolbox\matlab\general
C:\Program Files\MATLAB\R2017b\toolbox\matlab\iofun
C:\Program Files\MATLAB\R2017b\toolbox\matlab\lang
C:\Program Files\MATLAB\R2017b\toolbox\matlab\matfun
C:\Program Files\MATLAB\R2017b\toolbox\matlab\mvm
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C:\Program Files\MATLAB\R2017b\toolbox\matlab\polyfun
C:\Program Files\MATLAB\R2017b\toolbox\matlab\randfun
C:\Program Files\MATLAB\R2017b\toolbox\matlab\sparfun
C:\Program Files\MATLAB\R2017b\toolbox\matlab\specfun
C:\Program Files\MATLAB\R2017b\toolbox\matlab\strfun
C:\Program Files\MATLAB\R2017b\toolbox\matlab\timefun
C:\Program Files\MATLAB\R2017b\toolbox\matlab\validators
C:\Program Files\MATLAB\R2017b\toolbox\matlab\demos
C:\Program Files\MATLAB\R2017b\toolbox\matlab\graph2d
C:\Program Files\MATLAB\R2017b\toolbox\matlab\graph3d
C:\Program Files\MATLAB\R2017b\toolbox\matlab\graphics
C:\Program Files\MATLAB\R2017b\toolbox\matlab\graphics\obsolete
C:\Program Files\MATLAB\R2017b\toolbox\matlab\plottools
C:\Program Files\MATLAB\R2017b\toolbox\matlab\scribe
C:\Program Files\MATLAB\R2017b\toolbox\matlab\scribe\obsolete
C:\Program Files\MATLAB\R2017b\toolbox\matlab\specgraph
C:\Program Files\MATLAB\R2017b\toolbox\matlab\uitools
C:\Program Files\MATLAB\R2017b\toolbox\matlab\uitools\obsolete
C:\Program Files\MATLAB\R2017b\toolbox\matlab\hardware\stubs
C:\Program Files\MATLAB\R2017b\toolbox\matlab\images
C:\Program Files\MATLAB\R2017b\toolbox\matlab\maps
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C:\Program Files\MATLAB\R2017b\toolbox\matlab\optimfun
C:\Program Files\MATLAB\R2017b\toolbox\matlab\bigdata
C:\Program Files\MATLAB\R2017b\toolbox\matlab\codeanalysis\analysis
C:\Program Files\MATLAB\R2017b\toolbox\matlab\codetools
C:\Program Files\MATLAB\R2017b\toolbox\matlab\codetools\embeddedoutputs
C:\Program Files\MATLAB\R2017b\toolbox\matlab\datamanager
C:\Program Files\MATLAB\R2017b\toolbox\matlab\datastoreio
C:\Program Files\MATLAB\R2017b\toolbox\matlab\depfun
C:\Program Files\MATLAB\R2017b\toolbox\matlab\graphfun
C:\Program Files\MATLAB\R2017b\toolbox\matlab\guide
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C:\Program Files\MATLAB\R2017b\toolbox\matlab\icons
C:\Program Files\MATLAB\R2017b\toolbox\matlab\mapreduceio
C:\Program Files\MATLAB\R2017b\toolbox\matlab\testframework\core
C:\Program Files\MATLAB\R2017b\toolbox\matlab\testframework\obsolete
C:\Program Files\MATLAB\R2017b\toolbox\matlab\testframework\ext
C:\Program Files\MATLAB\R2017b\toolbox\matlab\testframework\measurement
C:\Program Files\MATLAB\R2017b\toolbox\matlab\testframework\mock
C:\Program Files\MATLAB\R2017b\toolbox\matlab\testframework\performance
C:\Program Files\MATLAB\R2017b\toolbox\matlab\verctrl
C:\Program Files\MATLAB\R2017b\toolbox\matlab\winfun
C:\Program Files\MATLAB\R2017b\toolbox\matlab\winfun\net
C:\Program Files\MATLAB\R2017b\toolbox\matlab\networklib
C:\Program Files\MATLAB\R2017b\toolbox\matlab\pathtool
C:\Program Files\MATLAB\R2017b\toolbox\matlab\external\interfaces\python
C:\Program Files\MATLAB\R2017b\toolbox\matlab\serial
C:\Program Files\MATLAB\R2017b\toolbox\matlab\spf\matlabhost
C:\Program Files\MATLAB\R2017b\toolbox\matlab\spf\matlabservices
C:\Program Files\MATLAB\R2017b\toolbox\matlab\storage\matlabdrive
C:\Program Files\MATLAB\R2017b\toolbox\matlab\storage\mldrivedesktop
C:\Program Files\MATLAB\R2017b\toolbox\matlab\system
C:\Program Files\MATLAB\R2017b\toolbox\matlab\system\editor
C:\Program Files\MATLAB\R2017b\toolbox\matlab\timeseries
C:\Program Files\MATLAB\R2017b\toolbox\matlab\toolboxmanagement\matlab_api
C:\Program Files\MATLAB\R2017b\toolbox\matlab\toolbox_packaging
C:\Program Files\MATLAB\R2017b\toolbox\matlab\toolstrip
C:\Program Files\MATLAB\R2017b\toolbox\matlab\uicomponents\uicomponents\plugin\appdesigner
C:\Program Files\MATLAB\R2017b\toolbox\matlab\uicomponents\uicomponents\plugin\appdesigner\graphics
C:\Program Files\MATLAB\R2017b\toolbox\matlab\uicomponents\uicomponents
C:\Program Files\MATLAB\R2017b\toolbox\matlab\uicomponents\uicomponents\graphics
C:\Program Files\MATLAB\R2017b\toolbox\matlab\webcam
C:\Program Files\MATLAB\R2017b\toolbox\matlab\external\interfaces\webservices\http
C:\Program Files\MATLAB\R2017b\toolbox\matlab\external\interfaces\json
C:\Program Files\MATLAB\R2017b\toolbox\matlab\external\interfaces\webservices\restful
C:\Program Files\MATLAB\R2017b\toolbox\matlab\external\interfaces\webservices
C:\Program Files\MATLAB\R2017b\toolbox\matlab\external\interfaces\webservices\wsdl
C:\Program Files\MATLAB\R2017b\toolbox\local
C:\Program Files\MATLAB\R2017b\toolbox\simulink\sldependency
C:\Program Files\MATLAB\R2017b\toolbox\simulink\simulink\slproject
C:\Program Files\MATLAB\R2017b\toolbox\simulink\simulink\slproject\menu
C:\Program Files\MATLAB\R2017b\toolbox\shared\comparisons
C:\Program Files\MATLAB\R2017b\examples\graphics
C:\Program Files\MATLAB\R2017b\examples\graphics2
C:\Program Files\MATLAB\R2017b\examples\matlab
C:\Program Files\MATLAB\R2017b\examples\matlab_featured
C:\Program Files\MATLAB\R2017b\toolbox\hdlcoder\hdllib\ml_lib
C:\Program Files\MATLAB\R2017b\toolbox\shared\hadoopserializer
C:\Program Files\MATLAB\R2017b\toolbox\shared\appdes\services
C:\Program Files\MATLAB\R2017b\toolbox\shared\hwmanager\hwconnection
C:\Program Files\MATLAB\R2017b\toolbox\shared\hwmanager\hwmanagerapp
C:\Program Files\MATLAB\R2017b\toolbox\shared\hwmanager\hwmanagerapp\devices
C:\Program Files\MATLAB\R2017b\toolbox\shared\hwmanager\hwmanagerapp\providers
C:\Program Files\MATLAB\R2017b\toolbox\shared\hwmanager\hwmanagerapp\plugins
C:\Program Files\MATLAB\R2017b\toolbox\shared\hwmanager\hwmanagerapp\framework
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C:\Program Files\MATLAB\R2017b\toolbox\shared\hwmanager\hwsetup
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C:\Program Files\MATLAB\R2017b\toolbox\shared\hwmanager\hwsetup\hwtemplates
C:\Program Files\MATLAB\R2017b\toolbox\shared\hwmanager\hwsetup\launch
C:\Program Files\MATLAB\R2017b\toolbox\shared\hwmanager\logger
C:\Program Files\MATLAB\R2017b\toolbox\shared\instrument
C:\Program Files\MATLAB\R2017b\toolbox\rptgen\xmlcomp
C:\Program Files\MATLAB\R2017b\toolbox\shared\advisor
C:\Program Files\MATLAB\R2017b\toolbox\shared\asynciolib
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C:\Program Files\MATLAB\R2017b\toolbox\shared\coder\coder
C:\Program Files\MATLAB\R2017b\toolbox\shared\controllib\general
C:\Program Files\MATLAB\R2017b\toolbox\shared\controllib\graphics
C:\Program Files\MATLAB\R2017b\toolbox\shared\controllib\graphics\utils
C:\Program Files\MATLAB\R2017b\toolbox\shared\controllib\graphics\plotoptions
C:\Program Files\MATLAB\R2017b\toolbox\shared\deviceplugindetection
C:\Program Files\MATLAB\R2017b\toolbox\shared\hotpluglib
C:\Program Files\MATLAB\R2017b\toolbox\shared\hwconnectinstaller\common
C:\Program Files\MATLAB\R2017b\toolbox\shared\imageio
C:\Program Files\MATLAB\R2017b\toolbox\shared\io
C:\Program Files\MATLAB\R2017b\toolbox\shared\mlreportgen\dom
C:\Program Files\MATLAB\R2017b\toolbox\shared\mlreportgen\dom\dom
C:\Program Files\MATLAB\R2017b\toolbox\shared\mlreportgen\dom\dom\help
C:\Program Files\MATLAB\R2017b\toolbox\shared\mlreportgen\ppt
C:\Program Files\MATLAB\R2017b\toolbox\shared\mlreportgen\ppt\ppt
C:\Program Files\MATLAB\R2017b\toolbox\shared\mlreportgen\ppt\ppt\help
C:\Program Files\MATLAB\R2017b\toolbox\shared\mlreportgen\rpt
C:\Program Files\MATLAB\R2017b\toolbox\shared\mlreportgen\rpt\rpt
C:\Program Files\MATLAB\R2017b\toolbox\shared\multimedia
C:\Program Files\MATLAB\R2017b\toolbox\shared\networklib
C:\Program Files\MATLAB\R2017b\toolbox\shared\rptgen
C:\Program Files\MATLAB\R2017b\toolbox\shared\spreadsheet
C:\Program Files\MATLAB\R2017b\toolbox\shared\supportpkgservices\legacysupportpkginfo
C:\Program Files\MATLAB\R2017b\toolbox\shared\supportpkgservices\installservices
C:\Program Files\MATLAB\R2017b\toolbox\shared\supportpkgservices\supportpackageroot
C:\Program Files\MATLAB\R2017b\toolbox\shared\supportpkgservices\installedapi
C:\Program Files\MATLAB\R2017b\toolbox\shared\supportsoftware\launcher
C:\Program Files\MATLAB\R2017b\toolbox\shared\supportsoftware\services
C:\Program Files\MATLAB\R2017b\toolbox\shared\supportsoftware\upgrade
C:\Program Files\MATLAB\R2017b\toolbox\shared\testmeaslib\general
C:\Program Files\MATLAB\R2017b\toolbox\shared\testmeaslib\graphics
C:\Program Files\MATLAB\R2017b\toolbox\shared\simulink
C:\Program Files\MATLAB\R2017b\toolbox\shared\diagnostic
Walter Roberson
2017년 12월 5일
Try
cd('C:\Users\Thao Ha\Documents\MATLAB')
ls('p*.m') + 0
and show us the output
Thao Ha
2017년 12월 5일
편집: Walter Roberson
2017년 12월 5일
>> cd('C:\Users\Thao Ha\Documents\MATLAB ')
>> ls('p*.m') + 0
ans =
112 114 111 106 101 99 116 46 109
Walter Roberson
2017년 12월 5일
You have a space at the end of 'MATLAB ' in the test that worked. If that space is part of the directory name then you are going to confuse people including yourself.
cd('C:\Users\Thao Ha\Documents\MATLAB ')
is not the same as
cd('C:\Users\Thao Ha\Documents\MATLAB')
Thao Ha
2017년 12월 5일
I have deleted that space but still get the same output as above.
>> cd('C:\Users\Thao Ha\Documents\MATLAB')
>> ls('p*.m') + 0
ans =
112 114 111 106 101 99 116 46 109
Walter Roberson
2017년 12월 5일
What happens if you
cd('C:\Users\Thao Ha\Documents\MATLAB')
run('project.m')
Thao Ha
2017년 12월 5일
편집: Walter Roberson
2017년 12월 5일
'project' is not found in the current folder or on the MATLAB path, but exists in:
C:\DATA\WSU-Thao\Fall 2017\MATLAB
Change the MATLAB current folder or add its folder to the MATLAB path.
Error in run (line 91)
evalin('caller', strcat(script, ';'));
Walter Roberson
2017년 12월 5일
Please go back to the testpath.m that I posted in https://www.mathworks.com/matlabcentral/answers/370999-undefined-function-or-variable#comment_512503 and download it to a directory, and cd to that directory, and
run('testpath.m')
KL
2017년 12월 5일
What happens if you close matlab and double-click open your m-file from your file explorer. That should open the file with its corresponding folder as working directory.
Thao Ha
2017년 12월 5일
It still shows:
project 'project' is not found in the current folder or on the MATLAB path, but exists in: C:\DATA\WSU-Thao\Fall 2017\MATLAB
Change the MATLAB current folder or add its folder to the MATLAB path.
답변 (2개)
KL
2017년 12월 4일
You still haven't answered how you set the path. Use addpath,
addpath('C:\Users\MyName\Documents\MATLAB')
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