On Tue, 18 Sep 2012, artur tarassow wrote: > according to the latest changelog it should be possible to use the > element-wise matrix operator ".<" What's new is ".<=" and ".>="; ".<" has been around for a while. But anyway... > I tried this using the latest cvs (Windows), but it does not > seem to work, or at least I didn't get the correct syntax. I > tried this example > > matrix A = { 0.6, 1 ; -0.3 , 2 } > if A .< 1 > print "Hello world" > endif Since ".<" is an element-wise operator, the expression A .< 1 produces a matrix result, as you see by doing <hansl> matrix A = { 0.6, 1 ; -0.3 , 2 } print A Test = A .< 1 print Test </hansl>

Such a result cannot be coerced to a boolean value, as required by "if". Maybe what you want is <hansl> matrix A = { 0.6, 1 ; -0.3 , 2 } if A < 1 print "Hello world" endif </hansl> (This will not print "Hello world" since the test is for all elements less than 1.)

Allin Cottrell _______________________________________________ Gretl-users mailing list Gretl-users(a)lists.wfu.edu http://lists.wfu.edu/mailman/listinfo/gretl-users