[GRASS-user] Image ratio

[Vinay Elothunkal]

HI,
How to do image rationing between two bands 5/2 of landsat in grass. I used
this command ( r.mapcalc
"ratio5_2=1.0*p126r046_7t20010929_z48_nn50/p126r046_7t20010929_z48_nn20"
 d.erase
d.rast ratio5_2)
but it doesn't work
-- 
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