txdirect.m,v

具有特色的地震数据处理源码

head	3.0;
access;
symbols;
locks; strict;
comment	@// @;


3.0
date	2000.06.13.19.22.28;	author gilles;	state Exp;
branches;
next	2.0;

2.0
date	99.05.21.18.46.56;	author mah;	state Exp;
branches;
next	1.1;

1.1
date	99.04.15.16.42.18;	author kay;	state Exp;
branches;
next	;


desc
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3.0
log
@Release 3
@
text
@function [t]=txdirect(s,r,v)

% txdirect: function to calculate the traveltime in a medium with constant 
% velocity v, given a source at s=[sx;sy;sz] and receiver at r=[rx;ry,rz].
% INPUT: s, r, v
% OUTPUT: travel time.
%DSI customized VSP processing software
%by I. Kay (April 1999)
 
%$Id: txdirect.m,v 2.0 1999/05/21 18:46:56 mah Exp gilles $
%$Log: txdirect.m,v $
%Revision 2.0  1999/05/21 18:46:56  mah
%Release 2
%
%Revision 1.1  1999/04/15 16:42:18  kay
%Initial revision
%
%Copyright (C) 1998 Seismology and Electromagnetic Section/
%Continental Geosciences Division/Geological Survey of Canada
%
%This library is free software; you can redistribute it and/or
%modify it under the terms of the GNU Library General Public
%License as published by the Free Software Foundation; either
%version 2 of the License, or (at your option) any later version.
%
%This library is distributed in the hope that it will be useful,
%but WITHOUT ANY WARRANTY; without even the implied warranty of
%MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
%Library General Public License for more details.
%
%You should have received a copy of the GNU Library General Public
%License along with this library; if not, write to the
%Free Software Foundation, Inc., 59 Temple Place - Suite 330,
%Boston, MA  02111-1307, USA.
%
%DSI Consortium
%Continental Geosciences Division
%Geological Survey of Canada
%615 Booth St.
%Ottawa, Ontario
%K1A 0E9
%
%email: dsi@@cg.nrcan.gc.ca


l=sqrt(dot ( (s-r),(s-r) ) );
t=l/v;
@


2.0
log
@Release 2
@
text
@d10 1
a10 1
%$Id: txdirect.m,v 1.1 1999/04/15 16:42:18 kay Exp mah $
d12 3
@


1.1
log
@Initial revision
@
text
@d10 5
a14 2
%$Id: corrot.m,v 1.5 1999/02/23 15:33:23 kay Exp kay $
%$Log: corrot.m,v $
@