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diff doc/interpreter/arith.txi @ 9141:c1fff751b5a8

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Update section 17.1 (Utility Functions) of arith.txi Split section into "Exponents and Logarithms" and "Utility Functions" Use Tex in many more of the doc strings for pretty printing in pdf format.
author Rik <rdrider0-list@yahoo.com>
date Mon, 20 Apr 2009 17:16:09 -0700
parents 7c02ec148a3c
children 761fc0d3d980
line wrap: on
line diff
--- a/doc/interpreter/arith.txi
+++ b/doc/interpreter/arith.txi
@@ -21,54 +21,36 @@
 @chapter Arithmetic
 
 Unless otherwise noted, all of the functions described in this chapter
-will work for real and complex scalar or matrix arguments.  Functions described as @dfn{mapping functions} apply the given operation to each element when given a matrix argument.
+will work for real and complex scalar, vector, or matrix arguments.  Functions
+described as @dfn{mapping functions} apply the given operation individually to 
+each element when given a matrix argument.  For example,
+
+@example
+@group
+sin ([1, 2; 3, 4])
+     @result{}  0.84147   0.90930
+         0.14112  -0.75680
+@end group
+@end example
 
 @menu
-* Utility Functions::           
+* Exponents and Logarithms::
 * Complex Arithmetic::          
 * Trigonometry::                
 * Sums and Products::           
+* Utility Functions::           
 * Special Functions::           
 * Coordinate Transformations::
 * Mathematical Constants::      
 @end menu
 
-@node Utility Functions
-@section Utility Functions
-
-The following functions are available for working with complex numbers.
-Each expects a single argument.  They are called @dfn{mapping functions}
-because when given a matrix argument, they apply the given function to
-each element of the matrix.
-
-@DOCSTRING(ceil)
-
-@DOCSTRING(cplxpair)
-
-@DOCSTRING(del2)
+@node Exponents and Logarithms
+@section Exponents and Logarithms
 
 @DOCSTRING(exp)
 
 @DOCSTRING(expm1)
 
-@DOCSTRING(factor)
-
-@DOCSTRING(factorial)
-
-@DOCSTRING(fix)
-
-@DOCSTRING(floor)
-
-@DOCSTRING(fmod)
-
-@DOCSTRING(gcd)
-
-@DOCSTRING(gradient)
-
-@DOCSTRING(hypot)
-
-@DOCSTRING(lcm)
-
 @DOCSTRING(log)
 
 @DOCSTRING(log1p)
@@ -77,38 +59,18 @@
 
 @DOCSTRING(log2)
 
-@DOCSTRING(max)
-
-@DOCSTRING(min)
-
-@DOCSTRING(cummax)
-
-@DOCSTRING(cummin)
-
-@DOCSTRING(mod)
-
 @DOCSTRING(nextpow2)
 
 @DOCSTRING(nthroot)
 
 @DOCSTRING(pow2)
 
-@DOCSTRING(primes)
-
 @DOCSTRING(reallog)
 
 @DOCSTRING(realpow)
 
 @DOCSTRING(realsqrt)
 
-@DOCSTRING(rem)
-
-@DOCSTRING(round)
-
-@DOCSTRING(roundb)
-
-@DOCSTRING(sign)
-
 @DOCSTRING(sqrt)
 
 @node Complex Arithmetic
@@ -135,6 +97,8 @@
 
 @DOCSTRING(conj)
 
+@DOCSTRING(cplxpair)
+
 @DOCSTRING(imag)
 
 @DOCSTRING(real)
@@ -227,6 +191,51 @@
 
 @DOCSTRING(accumarray)
 
+@node Utility Functions
+@section Utility Functions
+
+@DOCSTRING(ceil)
+
+@DOCSTRING(del2)
+
+@DOCSTRING(factor)
+
+@DOCSTRING(factorial)
+
+@DOCSTRING(fix)
+
+@DOCSTRING(floor)
+
+@DOCSTRING(fmod)
+
+@DOCSTRING(gcd)
+
+@DOCSTRING(gradient)
+
+@DOCSTRING(hypot)
+
+@DOCSTRING(lcm)
+
+@DOCSTRING(max)
+
+@DOCSTRING(min)
+
+@DOCSTRING(cummax)
+
+@DOCSTRING(cummin)
+
+@DOCSTRING(mod)
+
+@DOCSTRING(primes)
+
+@DOCSTRING(rem)
+
+@DOCSTRING(round)
+
+@DOCSTRING(roundb)
+
+@DOCSTRING(sign)
+
 @node Special Functions
 @section Special Functions