is there any way to list the variables used in the particular .m file?

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tina jain
tina jain 2015-4-5
编辑： Stephen23 2015-4-5
as for list folder and directories we use ls. There is any command for variables list in a paricular program.

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回答（2 个）

Star Strider
Star Strider 2015-4-5
If the file is open and has been run at least once, the whos function will list all the variables in the script’s workspace.
Stephen23
Stephen23 2015-4-5
编辑：Stephen23 2015-4-5
You can use whos to list variables in a workspace, after a script or function has run. Just keep in mind the difference between scripts and functions:
  • scripts share the base workspace, so it is not possible to know which script or command-line operation has created or changed any variable.
  • functions each have their own workspace.
Also note that:
  • using clear removes variables from a workspace
  • assing assignin and eval can make variables appear in other workspaces, without any indication of this in their own script?function code. This is one reason why it is a bad idea to use these commands.

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