$ontext This program illustrates reading a parameter with special values such Eps, +Inf, -Inf, etc. $offtext sets v column entries /v1,v2,v3,v4,v5,v6/ ; parameter data4(v); * $onUNDF must be set in order to read #DIV/0! $onUNDF $CALL GDXXRW Test1.xls par=data4 rng=EX4!A1:F2 Cdim=1 $GDXIN Test1.gdx $LOAD data4 $GDXIN display data4;