Is there a way to list the variable/list/matrixs in memory and the space it uses?

• Subject: Is there a way to list the variable/list/matrixs in memory and the space it uses?
• From: berkeleylab
• Date: Tue, 12 Feb 2013 10:28:42 -0800

Hi, I run into a problem that give me heap error. I want to understand which variable/list/matrix is using such huge memory.I am looking for a command like who and whos in octave/matlab can give me a list of variables.
thanks 		 	   		  

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