Merge branch 'PG-2.18' into one-column

lib/Value/Matrix.pm

@@ -13,40 +13,40 @@ MathObject Matrix methods: L<http://webwork.maa.org/wiki/Matrix_(MathObject_Clas
 MathObject Contexts: L<http://webwork.maa.org/wiki/Common_Contexts>
 CPAN RealMatrix docs: L<http://search.cpan.org/~leto/Math-MatrixReal-2.09/lib/Math/MatrixReal.pm>
 
-Allowing Matrices in Fractions: 
-L<http://webwork.maa.org/moodle/mod/forum/discuss.php?d=2978>	
+Allowing Matrices in Fractions:
+L<http://webwork.maa.org/moodle/mod/forum/discuss.php?d=2978>
 
      Context()->parens->set("[" => {formMatrix => 1});
 
 Files interacting with Matrices:
 
-L<lib/MatrixReal1.pm>
+L<MatrixReal1>
 
-L<macros/MatrixReduce.pl>
+L<MatrixReduce.pl>
 
-L<lib/Matrix.pm> 
+L<Matrix>
 
-L<macros/MatrixCheckers.pl> -- checking whether vectors form a basis
+L<MatrixCheckers.pl> -- checking whether vectors form a basis
 
-L<macros/MatrixReduce.pl>  -- tools for  row reduction via elementary matrices
+L<MatrixReduce.pl>  -- tools for  row reduction via elementary matrices
 
-L<macros/MatrixUnits.pl>   -- Generates unimodular matrices with real entries
+L<MatrixUnits.pl>   -- Generates unimodular matrices with real entries
 
-L<macros/PGmatrixmacros.pl>
+L<PGmatrixmacros.pl>
 
-L<macros/PGmorematrixmacros.pl>
+L<PGmorematrixmacros.pl>
 
-L<macros/PGnumericalmacros.pl>
+L<PGnumericalmacros.pl>
 
-L<macros/tableau.pl>
+L<tableau.pl>
 
-L<macros/quickMatrixEntry.pl>
+quickMatrixEntry.pl
 
-L<macros/LinearProgramming.pl>	
+L<LinearProgramming.pl>
 
 Contexts
 
-	Matrix -- allows students to enter [[3,4],[3,6]] 
+	Matrix -- allows students to enter [[3,4],[3,6]]
 	       -- formMatrix =>1 also allows this?
 	Complex-Matrix -- allows complex entries
 
@@ -56,7 +56,7 @@ Creation methods
    		 $M2 = Matrix([5,6],[7,8]);
     	  $v = Vector(9,10);
     	  $w = ColumnVector(9,10); # differs in how it is printed
-  
+
 Commands added in Value::matrix
 
 	Conversion
@@ -75,52 +75,52 @@ Commands added in Value::matrix
 	Assign values
 
 		these need to be added:
-		
+
 see C<change_matrix_entry()> in MatrixReduce and L<http://webwork.maa.org/moodle/mod/forum/discuss.php?d=2970>
-	
+
 	Advanced
 		$matrix->data:  ARRAY reference (internal data) of MathObjects (Real,Complex, Fractions)
 		                stored at each location.
 
 
-Passthrough methods covering subroutines in Matrix.pm which overrides or 
+Passthrough methods covering subroutines in Matrix.pm which overrides or
 augment CPAN's MatrixReal1.pm.  Matrix is a specialized subclass of MatrixReal1.pm
 
 The actual calculations for these methods are done in C<pg/lib/Matrix.pm>
 
-	trace 
-	proj 
-	proj_coeff 
-	L 
-	R 
-	PL 
+	trace
+	proj
+	proj_coeff
+	L
+	R
+	PL
 	PR
 
-Passthrough methods covering subroutines in C<pg/lib/MatrixReal1.pm> 
+Passthrough methods covering subroutines in C<pg/lib/MatrixReal1.pm>
 (this has been modified to handle complex numbers)
 The actual calculations are done in C<MatrixReal1.pm> subroutines
 The commands below are Value::Matrix B<methods> unless otherwise noted.
 
 
 
 	condition
-	det 
-	inverse 
+	det
+	inverse
 	is_symmetric
-	decompose_LR 
-	dim 
-	norm_one 
-	norm_max 
-	kleene 
-	normalize 
+	decompose_LR
+	dim
+	norm_one
+	norm_max
+	kleene
+	normalize
 	solve_LR($v)    - LR decomposition
 	solve($M,$v)    - function version of solve_LR
 	order_LR        - order of LR decomposition matrix (number of non-zero equations)(also order() )
 	order($M)       - function version of order_LR
-	solve_GSM 
-	solve_SSM 
-	solve_RM 
- 
+	solve_GSM
+	solve_SSM
+	solve_RM
+
 =cut
 
 #

macros/answers/PGfunctionevaluators.pl

@@ -23,8 +23,8 @@ =head1 SYNOPSIS
 
 	ANS(function_cmp($correctEqn, $var, $llimit, $ulimit, $relTol, $numPoints, $zeroLevel,
 	                 $zeroLevelTol));
-	ANS(function_cmp_up_to_constant($correctEqn, $var, $llimit, $ulimit, $relpercentTol, 
-	                                $numOfPoints, $maxConstantOfIntegration, $zeroLevel, 
+	ANS(function_cmp_up_to_constant($correctEqn, $var, $llimit, $ulimit, $relpercentTol,
+	                                $numOfPoints, $maxConstantOfIntegration, $zeroLevel,
 	                                $zeroLevelTol));
 	ANS(function_cmp_abs($correctFunction, $var, $llimit, $ulimit, $absTol, $numOfPoints));
 	ANS(function_cmp_up_to_constant_abs($correctFunction, $var, $llimit, $ulimit,
@@ -171,12 +171,12 @@ =head2 Options
 variable names. If it contains a number, the variables are named automatically
 as follows:
 
-	 var | variables used     
+	 var | variables used
 	-----+--------------------
-	 1   | x                  
-	 2   | x, y               
-	 3   | x, y, z            
-	 4+  | x_1, x_2, x_3, ... 
+	 1   | x
+	 2   | x, y
+	 3   | x, y, z
+	 4+  | x_1, x_2, x_3, ...
 
 If the var parameter contains a reference to an array of variable names, then
 the number of variables is determined by the number of items in the array. For example:
@@ -373,7 +373,7 @@ =head2 function_cmp
 
 function_cmp() uses standard comparison and relative tolerance. It takes a
 string representing a single-variable function and compares the student answer
-to that function numerically. $var, $relTol, $numPoints, $zeroLevel, and 
+to that function numerically. $var, $relTol, $numPoints, $zeroLevel, and
 $zeroLevelTol are equivalent to the identically-named options to fun_cmp(),
 above. $llimit and $ulimit are combined to form the value of limits above.
 
@@ -1061,7 +1061,7 @@ sub ORIGINAL_FUNCTION_CMP {
 
 =head1 SEE ALSO
 
-L<PGanswermacros.pl>, L<MathObjects>.
+L<PGanswermacros.pl>, L<UsingMathObjects>.
 
 =cut
 

macros/answers/PGmiscevaluators.pl

@@ -123,7 +123,7 @@ sub radio_cmp {
 
 =head1 SEE ALSO
 
-L<PGanswermacros.pl>, L<MathObjects>.
+L<PGanswermacros.pl>, L<UsingMathObjects>.
 
 =cut
 

macros/answers/PGstringevaluators.pl

@@ -612,7 +612,7 @@ sub STR_CMP {
 
 =head1 SEE ALSO
 
-L<PGanswermacros.pl>, L<MathObjects>.
+L<PGanswermacros.pl>, L<UsingMathObjects>.
 
 =cut
 

macros/deprecated/PGtextevaluators.pl

@@ -27,10 +27,10 @@ =head1 SYNOPSIS
 	If you disagree, why?
 	\{ ans_rule() \}
 	END_TEXT
-	
+
 	ANS(ansradio(1));
 	ANS(anstext(2));
-	
+
 	# FIXME show how to make a grader that sends email here!
 
 =head1 DESCRIPTION
@@ -331,7 +331,7 @@ =head2 mail_answers_to2
 $to. The email is given the subject line $subject.
 
 The mail message is not sent right away; instead, the message is recorded and
-sent by WeBWorK after PG rendering has completed. 
+sent by WeBWorK after PG rendering has completed.
 
 =cut
 
@@ -400,7 +400,7 @@ sub DUMMY_ANSWER {
 
 =head1 SEE ALSO
 
-L<PGanswermacros.pl>, L<MathObjects>.
+L<PGanswermacros.pl>, L<UsingMathObjects>.
 
 =cut
 

macros/math/PGnumericevaluators.pl

@@ -1267,7 +1267,7 @@ sub ORIGINAL_NUM_CMP {    # low level	numeric	compare
 
 =head1 SEE ALSO
 
-L<PGanswermacros.pl>, L<MathObjects>.
+L<PGanswermacros.pl>, L<UsingMathObjects>.
 
 =cut
 

macros/math/tableau.pl

@@ -141,7 +141,7 @@ =head3 References:
 MathObject Contexts: L<http://webwork.maa.org/wiki/Common_Contexts>
 CPAN RealMatrix docs: L<http://search.cpan.org/~leto/Math-MatrixReal-2.09/lib/Math/MatrixReal.pm>
 
-More references: L<lib/Matrix.pm>
+More references: L<Matrix>
 
 =head2 Package tableau