mata_drop.hlp

是一个经济学管理应用软件 很难找的 但是经济学学生又必须用到

{smcl}
{* 03may2005}{...}
{cmd:help mata drop}
{hline}
{* index mata tt}{...}
{* index drop tt}{...}

{title:Title}

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{bf:[M-3] mata drop -- Drop matrix or function}


{title:Syntax}

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: {cmd:mata} {cmd:drop}
{it:namelist}


{p 4 4 2}
where {it:namelist} is as defined in 
{bf:{help m3_namelists:[M-3] namelists}}.

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This command is for use in Mata mode following Mata's colon prompt.
To use this command from Stata's dot prompt, type

		. {cmd:mata: mata drop} ...


{title:Description}

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{cmd:mata} {cmd:drop} 
clears from memory the specified matrices and functions.

{title:Remarks}

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Use {bf:{help mata_describe:[M-3] mata describe}}
to determine what is in memory.  
Use {bf:{help mata_clear:[M-3] mata clear}} to drop all matrices
and functions, or use Stata's {cmd:clear} command (see 
{bf:{help drop:[D] drop}}).

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To drop a matrix named {cmd:A}, type 

	: {cmd:mata drop A}

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To drop a function named {cmd:foo()}, type 

	: {cmd:mata drop foo()}

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To drop a matrix named {cmd:A} and a function named {cmd:foo()}, type 

	: {cmd:mata drop A foo()}


{title:Also see}

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Manual:  {hi:[M-3] mata drop}

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Online:  help for 
{bf:{help mata_clear:[M-3] clear}};
{bf:{help m3_intro:[M-3] intro}}
{p_end}