{smcl} {* *! version 1.0.2 24jan2012}{...} {cmd:help spmat getmatrix} {hline} {title:Title} {p2colset 5 24 26 2}{...} {p2col:{cmd:spmat getmatrix} {hline 2}}Copy a matrix contained in an {bf:spmat} object to a Mata matrix {p_end} {p2colreset}{...} {title:Syntax} {p 8 16 2} {cmd:spmat} {cmdab:getmat:rix} {it:objname} [{it:matname}] [{cmd:,} {it:options}] {synoptset 19 tabbed}{...} {synopthdr} {synoptline} {synopt:{opt id(vecname)}}name of a Mata vector to contain IDs{p_end} {synopt:{opt eig(vecname)}}name of a Mata vector to contain eigenvalues{p_end} {synoptline} {p2colreset}{...} {title:Description} {pstd} {opt spmat getmatrix} copies the spatial-weighting matrix {bf:W} contained in the {cmd:spmat} object {it:objname} to the Mata matrix {it:matname}. The place identifiers and the eigenvalues of {cmd:W} can be optionally saved to Mata vectors. {title:Example} {pstd}Setup{p_end} {phang2}{cmd:. spmat use cobj using pollute.spmat}{p_end} {pstd}Copy the contiguity matrix contained in the spmat object {cmd:cobj} to the Mata matrix {cmd:mymat}{p_end} {phang2}{cmd:. spmat getmatrix cobj mymat}{p_end} {pstd}Copy the eigenvalues contained in the spmat object {cmd:cobj} to the Mata vector {cmd:myeig}{p_end} {phang2}{cmd:. spmat getmatrix cobj, eig(myeig)}{p_end} {title:Also see} {psee}Online: {helpb spmat}, {helpb spreg}, {helpb spivreg}, {helpb spmap}, {helpb shp2dta}, {helpb mif2dta} (if installed){p_end}