reducing values in columns with both numbers and letters

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tabfunc

TABFUNC(1)						      General Commands Manual							TABFUNC(1)

NAME

       tabfunc - convert table to functions for rcalc, etc.

SYNOPSIS

       tabfunc [ -i ] func1 [func2 ..]

DESCRIPTION

       Tabfunc	reads  a  table  of  numbers  from  the  standard input and converts it to an expression suitable for icalc(1), rcalc(1) and their
       cousins.  The input must consist of a M x N matrix of real numbers, with exactly one row per line.  The number of columns  must	always	be
       the same in each line, separated by whitespace and/or commas, with no missing values.  The first column is always the independent variable,
       whose value indexes all of the other elements.  This value does not need to be evenly spaced, but it must be either monotonically  increas-
       ing  or	monotonically decreasing.  (I.e. it cannot go up and then down, or down and then up.)  Maximum input line width is 4096 characters
       and the maximum number of data rows is 1024.  Input lines not beginning with a numerical value will be silently ignored.

       The command-line arguments given to tabfunc are the names to be assigned to each column.  Tabfunc then produces a single function for  each
       column  given.	If  there are some columns which should be skipped, the dummy name "0" may be given instead of a valid identifier.  (It is
       not necessary to specify a dummy name for extra columns at the end of the matrix.)

       The -i option causes tabfunc to produce a description that will interpolate values in between those given for the independent  variable	on
       the input.

EXAMPLE

       To convert a small data table and feed it to rcalc for some calculation:

	 rcalc -e `tabfunc f1 f2 < table.dat` -f com.cal

AUTHOR

       Greg Ward

SEE ALSO

       cnt(1), icalc(1), neaten(1), rcalc(1), rlam(1), total(1)

RADIANCE
							      10/8/97								TABFUNC(1)

Shell Programming and Scripting