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Finding indices in an array nearest to a set of values

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Top Forums Shell Programming and Scripting Finding indices in an array nearest to a set of values
# 8  
Old 07-13-2011
Code:
awk  'NR==1{len=split($0,X);next}
 {for(i=1;i<=NF;i++){
    t=x=0
    for(j=1;j<=len;j++){ 
    x=sqrt((X[j]-$i)*(X[j]-$i)) # if the value of X[j]-$i could be negative or positive, this calculation make this value to be absolute value, since there is no abs function in awk, ps. sqrt is SQuare Roo
       if(j==1){t=x}else{t=t<x?t:x}
       a[x]=X[j]}
       printf  t<=5?a[t]" ":"0 " # if abs value of X[j]-$i (t) is less than or equal to 5, accept as the closet value, if not, set it as 0
         delete a}       printf "\n"}'
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LEARN ABOUT OSF1

xmscrollvisible

XmScrollVisible(3X)													       XmScrollVisible(3X)

NAME

       XmScrollVisible - A ScrolledWindow function that makes an invisible descendant of a ScrolledWindow work area visible

SYNOPSIS

       #include <Xm/ScrolledW.h>

       void XmScrollVisible (scrollw_widget, widget, left_right_margin, top_bottom_margin)
	       Widget scrollw_widget;
	       Widget widget;
	       Dimension left_right_margin;
	       Dimension top_bottom_margin;

DESCRIPTION

       XmScrollVisible	makes  an  obscured or partially obscured widget or gadget descendant of a ScrolledWindow work area visible.  The function
       repositions the work area and sets the specified margins between the widget and the nearest viewport boundary.  The widget's location rela-
       tive to the viewport determines whether one or both of the margins must be adjusted.  This function requires that the XmNscrollingPolicy of
       the ScrolledWindow widget be set to XmAUTOMATIC.  Specifies the ID of the ScrolledWindow widget whose work area window contains an obscured
       descendant.   Specifies	the  ID of the widget to be made visible.  Specifies the margin to establish between the left or right edge of the
       widget and the associated edge of the viewport. This margin is established only if the widget must be moved horizontally to make  it  visi-
       ble.   Specifies  the margin to establish between the top or bottom edge of the widget and the associated edge of the viewport. This margin
       is established only if the widget must be moved vertically to make it visible.

       For a complete definition of ScrolledWindow and its associated resources, see XmScrolledWindow(3X).

SEE ALSO

       XmScrolledWindow(3X)

															       XmScrollVisible(3X)