loading a file .mat problem

2014 4 21
3 个回答
更新时间：2014 4 22
1 次查看（30 天）

0 个投票

when i load a file.mat and i tried to open it , matlab hang out and gives this message
Exception in thread "AWT-EventQueue-0" java.lang.OutOfMemoryError: Java heap space
at javax.swing.table.DefaultTableColumnModel.getSelectedColumns(Unknown Source)
at javax.swing.JTable.getSelectedColumns(Unknown Source)
at com.mathworks.widgets.spreadsheet.SpreadsheetTable.areOnlyEntireRowsSelected(SpreadsheetTable.java:1115)
atcom.mathworks.widgets.spreadsheet.SpreadsheetTable.access$2200(SpreadsheetTable.java:65)
atcom.mathworks.widgets.spreadsheet.SpreadsheetTable$UnamInsertDeleteAction.reexamineActionEnabled(SpreadsheetTable.java:1724)
atcom.mathworks.widgets.spreadsheet.SpreadsheetTable.reexamineRegionAmbiguities(SpreadsheetTable.java:651)
atcom.mathworks.widgets.spreadsheet.SpreadsheetTable.access$900(SpreadsheetTable.java:65)
atcom.mathworks.widgets.spreadsheet.SpreadsheetTable$RowSelectionListener.valueChanged(SpreadsheetTable.java:640)
at javax.swing.DefaultListSelectionModel.fireValueChanged(Unknown Source)
at javax.swing.DefaultListSelectionModel.fireValueChanged(Unknown Source)
at javax.swing.DefaultListSelectionModel.fireValueChanged(Unknown Source)
at javax.swing.DefaultListSelectionModel.changeSelection(Unknown Source)
at javax.swing.DefaultListSelectionModel.changeSelection(Unknown Source)
at javax.swing.DefaultListSelectionModel.removeSelectionIntervalImpl(Unknown Source)
at javax.swing.DefaultListSelectionModel.clearSelection(Unknown Source)
>>

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回答（3 个）

mausam
mausam 2014-4-21

0 个投票

your data may be too large. try 'whos' to get variables inside it and then try loading it separately.

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mado
mado 2014-4-21
编辑：mado 2014-4-21
it is a single variable of 2x425041 ? i want one row how to do that
mausam
mausam 2014-4-22
lets say you have 'data1' as your variable.
try
%%========
p=matfile('D:\foldername\yourtobeloadeddata.mat');
desiredvar = p.data1(1,:);
%%================
it should work
mausam
mausam 2014-4-22
i was assuming your data is in "D:\foldername"

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Image Analyst
Image Analyst 2014-4-21

0 个投票

2 by 425,041 is not that large. 6.8 megabytes for a double - pretty small actually. Were you running a remote session with someone at a different computer at all (running VNC, Webex, Lync, TeamCenter, etc.)? I've seen weird java errors sometimes when sharing my screen with others.
Star Strider
Star Strider 2014-4-21

0 个投票

Please post your relevant code that causes the error.
When you use the load function for a ‘.mat’ file, load adds the variables in the file to your workspace. You do not need to ‘open’ anything after you load it. The variables in it are there in your workspace for you to work with.

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mado
mado
2014-4-21

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mausam
mausam
2014-4-22

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