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function aux=l_crossplot(wlog,mnem1,mnem2,varargin) % Function makes crossplot of curve with mnemonic "mnem1" (x-axis) vs curve with % mnemonic "mnem2" (y-axis) % % Written by: E. R.: March 19, 2001.

function ier=l_check(wlog) % Function checks if log structure set is consistent and complies with % specifications % % Written by: E. R., August 26, 2001 % Last updated: January 1, 2006: Check field "

function wlog=l_convert(curves,info,aux_wlog) % Function converts a matrix of curve values, curve names, curve units of measurement, % curve description, etc. into a well log structure. % % Written b

function <mark>l</mark>ogout=<mark>l</mark>_resamp<mark>l</mark>e(w<mark>l</mark>og,step,varargin) % Function resamp<mark>l</mark>es a<mark>l</mark><mark>l</mark> curves of a <mark>l</mark>og. Gaps in <mark>l</mark>og curves (NaNs) are % interpo<mark>l</mark>ated prior to resamp<mark>l</mark>ing (<mark>l</mark>_fi<mark>l</mark><mark>l</mark>_gaps). Gaps are fi<mark>l</mark><mark>l</mark>ed even ...

function units=l_gu(wlog,mnem) % Get units of measurement of curve with mnemonic "mnem" from log data set "wlog" % If S4M.case_sensitive is set to false, the case of the curve mnemonic is disregarded.

function wlog=l_data % Create a synthetic well log for test and demo purposes; the log curves are % not based on rock physics. % % Written by: E. R.: October 1, 2005; % Last updated: May 12, 2008: Add

function l_tools(keyword) % Without argument, function lists all functions that process log data. % The argument allows restrictions to those functions which have the keyword % as part of the descrip

function log_out=l_eqdepth(log) % Funtion checks if log is equidistantly sampled in depth (log.step ~= 0) % If this is the case it is copied to output. % If this is not the case the curves are resampl

function [curve,info]=l_gc(wlog,mnem,depths) % Function extracts curve with mnemonic "mnem" from log data set "wlog" % If global variable S4M.case_sensitive is set to false, the case of the curve % mn

function wlog=l_curve(wlog,action,mnem,values,units,description) % Function manipulates curve(s) of a log structure % % Written by: E. R.: May 12, 2000 % Last updated: November 8, 2004: update also fi