[Gretl-devel] the flatten() function

The flatten() function for arrays of matrices or strings has a couple of enhancements in git. Matrices: complex matrices are now handled correctly (but an array containing a mixture of complex and real matrices is not accepted). Strings: the second (optional boolean) argument to flatten can now be used to separate the strings with spaces rather than newlines. On strings, though, I have a comment on the feature request for the new option (in the SF trackers). The text includes: "This would be useful if the input array actually holds textual representations of numbers, which can then be processed with sscanf." An array of strings that represent numbers can be processed via sscanf "as is", without flattening (see the help text for sscanf). And if the array is flattened, sscanf will work equally well whether the strings are on separate lines (you get a column vector) or space-separated on a single line (you get a row vector). <hansl> strings S = defarray("1", "2", "3", "4") matrix m sscanf(S, "%m", m) print m sscanf(flatten(S), "%m", m) print m sscanf(flatten(S, 1), "%m", m) print m </hansl> Allin