{smcl} {* 29feb2008}{...} {cmd:help mata mm_cond()} {hline} {title:Title} {pstd} {bf:mm_cond() -- Matrix version of the conditional operator} {title:Syntax} {p 8 27 2} {it:transmorphic matrix}{space 1} {cmd:mm_cond(}{it:a}{cmd:,} {it:b}{cmd:,} {it:c}{cmd:)} {pstd} where {it:a} is a {it:real matrix} and {it:b} and {it:c} are matrices of any type (as long as their types are the same). {title:Description} {pstd} {cmd:mm_cond()} is a matrix version of the scalar conditional operator (see {helpb m2_op_conditional:{bind:[M-2] op_conditional}}). {pstd} When {it:a}, {it:b}, and {it:c} are not scalar, {cmd:mm_cond()} returns element-by-element results. {it:a}, {it:b}, and {it:c} are required to be r-conformable (see {helpb m6_glossary:{bind:[M-6] glossary}}). {title:Remarks} {pstd} None. {title:Conformability} {pstd}The arguments have to be r-conformable (see help {helpb m6_glossary:{bind:[M-6] glossary}}). Returned is a matrix of max(argument rows) rows and max(argument columns) columns containing element-by-element calculated results. {title:Diagnostics} {pstd} None. {title:Source code} {pstd} {help moremata_source##mm_cond:mm_cond.mata} {title:Author} {pstd} Ben Jann, University of Bern, jann@soz.unibe.ch {title:Acknowledgments} {pstd} Thanks to Kit Baum for proposing such a function. {title:Also see} {psee} Online: help for {helpb m2_op_conditional:{bind:[M-2] op_conditional}}, {helpb moremata}