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Full Discussion: How to sum value of a column by range defined in another file awk?
Top Forums UNIX for Beginners Questions & Answers How to sum value of a column by range defined in another file awk? Post 303031697 by yifangt on Monday 4th of March 2019 12:32:28 PM
Old 03-04-2019
Thanks RudiC!
I like these tricks:
Code:
SUM[$1 OFS int($2/100)*100]     #A very good trick to me for simple situations
...
for (s in SUM) {split (s, T, OFS) 
    if ($1 == T[1] && $2 >= T[2] && $2 <= T[3]) 
          SUM[s] += $4

The overlapping problem is quite complicated to me, which should be another topic I think.
Hi @nezbudka, the two input files were updated after the original message. Sorry for the confusion.
It is asked by what algorithm the pattern N1 752 875 1 does not fall within the interval 700-999 ?
No, I simplified this scenario to the interval 700-799 based on column 2 only (752 ignoring 875).

Thanks again to all of you!
Last edited by yifangt; 03-04-2019 at 03:14 PM.. Reason: Elaboration on some points and corrected typos
 

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LEARN ABOUT SUNOS

mlib_signalconv_f32s_f32s

mlib_SignalConv_S16_S16_Sat(3MLIB)			    mediaLib Library Functions				mlib_SignalConv_S16_S16_Sat(3MLIB)

NAME

       mlib_SignalConv_S16_S16_Sat, mlib_SignalConv_S16S_S16S_Sat, mlib_SignalConv_F32_F32, mlib_SignalConv_F32S_F32S - signal convolution

SYNOPSIS

       cc [ flag... ] file... -lmlib [ library... ]
       #include <mlib.h>

       mlib_status mlib_SignalConv_S16_S16_Sat(mlib_s16 *dst, const mlib_s16 *src1, const mlib_s16 *src2, mlib_s32 m, mlib_s32 n);

       mlib_status mlib_SignalConv_S16S_S16S_Sat(mlib_s16 *dst, const mlib_s16 *src1, const mlib_s16 *src2, mlib_s32 m, mlib_s32 n);

       mlib_status mlib_SignalConv_F32_F32(mlib_f32 *dst, const mlib_f32 *src1, const mlib_f32 *src2, mlib_s32 m, mlib_s32 n);

       mlib_status mlib_SignalConv_F32S_F32S(mlib_f32 *dst, const mlib_f32 *src1, const mlib_f32 *src2, mlib_s32 m, mlib_s32 n);

DESCRIPTION

       Each of these functions performs convolution.

       For monaural signals, the following equation is used:

		m-1
       dst[i] = SUM (src1[j] * src2[i - j])  if m <= n
		j=0

		n-1
       dst[i] = SUM (src2[j] * src1[i - j])  if m > n
		j=0

       where i = 0, 1, ..., (m + n - 2).

       For stereo signals, the following equation is used:

		      m-1
       dst[2*i]     = SUM (src1[2*j] * src2[2*(i - j)])
		      j=0

		      m-1
       dst[2*i + 1] = SUM (src1[2*j + 1] * src2[2*(i - j) + 1])
		      j=0

       if m <= n, or

		      n-1
       dst[2*i]     = SUM (src2[2*j] * src1[2*(i - j)])
		      j=0

		      n-1
       dst[2*i + 1] = SUM (src2[2*j + 1] * src1[2*(i - j) + 1])
		      j=0

       if m > n; where i = 0, 1, ..., (m + n - 2).

PARAMETERS

       Each of the functions takes the following arguments:

       dst	       Destination signal array.

       src1	       First source signal array.

       src2	       Second source signal array.

       m	       Number of samples in the first source signal array.

       n	       Number of samples in the second source signal arrays.

RETURN VALUES

       Each of the functions returns MLIB_SUCCESS if successful. Otherwise it returns MLIB_FAILURE.

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Interface Stability	     |Evolving			   |
       +-----------------------------+-----------------------------+
       |MT-Level		     |MT-Safe			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       attributes(5)

SunOS 5.10							    10 Nov 2004 				mlib_SignalConv_S16_S16_Sat(3MLIB)
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