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• Context flags
  == Using Context Flags == ...ome contexts may have additional flags. To view the flags for the current Context, enter
  21 KB (2,546 words) - 17:18, 7 April 2021
• Context Function Categories
  ...tions</code> object of the current Context. See [[Answer Checkers and the Context]] for details about how to enable and disable these functions. This can be ...com/openwebwork/pg/blob/master/lib/Parser/Context/Default.pm pg/lib/Parser/Context/Default.pm]</code> for the definitions of all the functions, and
  3 KB (450 words) - 07:59, 13 August 2012
• Context Operator Table
  ...rators</code> object of the current Context. See [[Answer Checkers and the Context]] or the [[Introduction to Contexts#Operators|Introduction to Contexts]] fo ...com/openwebwork/pg/blob/master/lib/Parser/Context/Default.pm pg/lib/Parser/Context/Default.pm]</code> for the full definitions of the operators.
  8 KB (928 words) - 09:41, 26 May 2013
• How to list Context flags
  There is an explanation of the purpose of many of these flags at [[Context flags]]. == Listing Context Flags using PGLabs ==
  6 KB (641 words) - 07:16, 14 August 2012
• Answer Checkers and the Context
  ...tric functions are allowed in the answer, are controlled through the <code>Context()</code> rather than through the [[Answer Checkers (MathObjects)| MathObjec Context()->functions->disable('sin','cos','tan');
  4 KB (646 words) - 15:55, 23 February 2019

Page text matches

• Simple Sample Problem
  Context("Numeric"); Context()->texStrings;
  1 KB (108 words) - 17:31, 16 June 2021
• ContextLimitedPolynomial
  |category=MathObject Context ...o be (expanded) polynomials (i.e., sums of multiples of powers of x). This context allows also requiring that there be only one term with each power of x.
  2 KB (209 words) - 12:57, 21 November 2010
• Creating Custom Contexts
  ...combine all of these modifications into a single file and define your own context. ...your context, it is recommended practice to begin your filename with <code>context</code> and it must end with <code>.pl</code> as all macro files do. So your
  2 KB (381 words) - 11:52, 7 June 2013
• How to list Context flags
  There is an explanation of the purpose of many of these flags at [[Context flags]]. == Listing Context Flags using PGLabs ==
  6 KB (641 words) - 07:16, 14 August 2012
• FormulasUpToMultiplication
  Context("Numeric"); my $context = Context()->copy;
  3 KB (383 words) - 16:19, 14 May 2010
• ContextFlags
  #REDIRECT [[Context flags]]
  27 bytes (3 words) - 09:22, 19 August 2008
• InequalityEvaluators
  Context("Inequalities-Only"); Context()->variables->add(y=>"Real");
  4 KB (576 words) - 09:56, 28 June 2023
• AnswerUpToMultiplication1
  Context('Numeric'); my $context = Context()->copy;
  4 KB (493 words) - 06:07, 18 July 2023
• MathObjects reference table
  Context("Point"); Context("Vector");
  2 KB (181 words) - 10:01, 6 January 2014
• Specialized contexts
  name starting with "context" -- e.g. <code>contextYourContextHere.pl</code>. === Specialized Context Macro files ===
  6 KB (745 words) - 17:21, 7 April 2021
• HowToListContextFlags
  #REDIRECT [[How to list Context flags]]
  39 bytes (6 words) - 17:30, 2 August 2012
• ListingContextFlags
  #REDIRECT [[How to list Context flags]]
  39 bytes (6 words) - 17:56, 11 August 2012
• FractionAnswer1
  Context('Fraction-NoDecimals'); Context("Fraction");
  4 KB (478 words) - 05:37, 18 July 2023
• External Answer Checkers - PGML
  Context("LimitedNumeric"); Context("Numeric");
  1 KB (170 words) - 08:09, 13 May 2015
• InequalityAnswer1
  Context("Inequalities-Only"); Context()->flags->set(formatStudentAnswer=>'parsed');
  4 KB (528 words) - 05:46, 18 July 2023
• Course-Wide Customizations
  ...mized versions of the Contexts from the problems you are using so that the Context settings match your preferences. ...if you give the new Context the same name as the original one, then <code>Context()</code> will find your modified one first rather than the original one. I
  4 KB (640 words) - 11:54, 7 June 2013
• StepFunctions
  ## this uses the LegacyNumeric Context # Context("LegacyNumeric");
  3 KB (495 words) - 15:15, 16 July 2023
• IntervalEvaluators
  Load the usual suspects. The interval context and interval answer checker are part of <code>MathObjects.pl</code>. Context("Interval");
  3 KB (465 words) - 09:55, 28 June 2023
• PeriodicAnswers1
  Context("Numeric"); Context()->texStrings;
  3 KB (438 words) - 05:50, 18 July 2023
• FormattingCorrectAnswers: NumbersAndFormulas
  # Context()->flags->set(reduceConstants=>0); Context()->flags->set(reduceConstants=>0);
  3 KB (344 words) - 19:23, 22 June 2021
• Problem1
  Context("Numeric"); Context()->texStrings;
  2 KB (189 words) - 13:12, 16 June 2021
• Problem2
  Context("Numeric"); Context()->texStrings;
  2 KB (186 words) - 13:13, 16 June 2021
• ScalingTranslating1
  This PG code shows how to add a named function to the context and use it to asses whether students know their graph transformations. ...<code>parserFunction.pl</code> so that we can add a named function to the context.
  4 KB (558 words) - 06:05, 18 July 2023
• PointsInAnswers
  ...o which automatically loads <code>MathObjects.pl</code>. The LimitedPoint context does not allow operations between points. Context("LimitedPoint");
  4 KB (528 words) - 12:14, 16 July 2023
• VariablesOtherThanX
  Context()-&gt;variables-&gt;add(t=&gt;"Real"); ...e(s), we can use <code>are</code> instead of <code>add</code> (e.g., <code>Context()-&gt;variables-&gt;are(t=&gt;"Real",z=&gt;"Real");</code>).
  2 KB (360 words) - 09:52, 28 June 2023
• DomainRange1
  Context('Inequalities-Only')->variables->are(x=>'Real'); Context()->flags->set(formatStudentAnswer=>'parsed');
  4 KB (559 words) - 07:54, 18 July 2023
• TrigIdentities1
  Context("Numeric"); Context()->functions->remove("tan");
  4 KB (554 words) - 06:00, 18 July 2023
• Logarithms1
  Context("Numeric"); Context()->variables->are(x=>"Real",y=>"Real",z=>"Real");
  5 KB (638 words) - 05:49, 18 July 2023
• ConstantsInProblems
  Context("Numeric"); Context()->constants->add(k=>0.01);
  3 KB (489 words) - 09:14, 28 June 2023
• ErrorMessageCustomization
  ...quires using MathObjects or a macro file that loads MathObjects, so that a Context is defined. ..., we must be using MathObjects or a macro that loads MathObjects and has a Context.
  4 KB (623 words) - 09:18, 28 June 2023
• SolutionForEquation1
  Context("Vector"); Context()->texStrings;
  4 KB (496 words) - 05:44, 18 July 2023
• Answer Checkers and the Context
  ...tric functions are allowed in the answer, are controlled through the <code>Context()</code> rather than through the [[Answer Checkers (MathObjects)| MathObjec Context()->functions->disable('sin','cos','tan');
  4 KB (646 words) - 15:55, 23 February 2019
• Infinity (MathObject Class)
  ...ode>. Infinity can be created in any Context, though <code>Numeric</code> context is commonly used. Context("Numeric");
  2 KB (225 words) - 05:32, 6 August 2012
• DifferentiatingFormulas
  Context("Numeric")->variables->add(y=>"Real"); The <code>Numeric</code> context automatically defines
  3 KB (441 words) - 09:20, 28 June 2023
• DisableFunctions1
  ...ion.pl</code> is loaded since we used the <code>Fraction-NoDecimals</text> context. Context('Fraction-NoDecimals');
  4 KB (607 words) - 05:59, 18 July 2023
• StringOrOtherType1
  Context("Numeric"); ...the context, see [http://webwork.maa.org/wiki/StringsInContext strings in context].
  4 KB (610 words) - 06:06, 18 July 2023
• MultipleChoiceRadio1
  Context("Numeric"); ...maa.org/pod/pg/macros/parserRadioButtons.html parserRadioButtons.pl]. The context is not really necessary, but multiple choice questions are often follow-up
  4 KB (564 words) - 07:17, 17 July 2023
• Sage in WeBWorK
  Context("Numeric"); Context()->texStrings;
  2 KB (325 words) - 11:42, 24 June 2013
• Problem3
  Context("Numeric"); Context()->texStrings;
  2 KB (260 words) - 13:13, 16 June 2021
• Context Function Categories
  ...tions</code> object of the current Context. See [[Answer Checkers and the Context]] for details about how to enable and disable these functions. This can be ...com/openwebwork/pg/blob/master/lib/Parser/Context/Default.pm pg/lib/Parser/Context/Default.pm]</code> for the definitions of all the functions, and
  3 KB (450 words) - 07:59, 13 August 2012
• ImplicitPlane
  Context("ImplicitPlane"); Context("ImplicitPlane");
  4 KB (526 words) - 12:12, 16 July 2023
• FormattingCorrectAnswers: Equations
  Context("ImplicitPlane"); Context()->variables->remove("z");
  2 KB (333 words) - 09:45, 28 June 2023
• AnswerInExponent
  Context("Numeric")->variables->are(a=>"Real",b=>"Real"); Context()->texStrings;
  3 KB (445 words) - 16:50, 20 June 2023
• VectorParametric2
  Context("Vector2D"); #Context("Vector"); # for 3d vectors
  5 KB (652 words) - 07:52, 18 July 2023
• SnippetTemplate
  Context("....."); Define context and variables for the questions
  3 KB (376 words) - 23:41, 14 April 2021
• Problem11
  Context("Numeric"); Context()->texStrings;
  2 KB (259 words) - 17:38, 16 June 2021
• TrigFunctionsDegrees1
  This PG code shows how to use the context TrigDegrees to redefine trigonometric functions so they evaluate in degrees Context("TrigDegrees");
  5 KB (630 words) - 15:20, 16 July 2023
• Common Contexts
  | style="padding:5px" | Similar to <code>Numeric</code> context, but <code>(a,b)</code>, <code>(a,b]</code>, <code>[a,b)</code>, and <code> | style="padding:5px" | Similar to <code>Point</code> context, but allows coordinates to be complex numbers (i.e., <code>i</code> is defi
  3 KB (480 words) - 08:57, 7 May 2015
• TrigFunctionsInDegrees
  Context("Numeric"); Context()->functions->remove("cos");
  9 KB (1,306 words) - 16:36, 21 July 2021
• RecursiveSequence1
  This PG code shows how to add a named function to the context and use it to ask students to come up with a recursive formula. ...rserFunction.pl</code>. There is a more basic way to add functions to the context, which is explained in example 2 at
  5 KB (682 words) - 07:44, 18 July 2023
• MatrixAnswer1
  Context("Matrix"); Use <code>Context("Matrix");</code>.
  4 KB (606 words) - 06:23, 18 July 2023
• AdaptiveParameters
  my $context = Context()->copy; $context->flags->set(no_parameters=>0);
  7 KB (1,066 words) - 16:41, 20 June 2023
• UnorderedAnswers1
  Context("Numeric")->variables->add(y=>"Real",z=>"Real"); Context()->texStrings;
  4 KB (549 words) - 05:48, 18 July 2023
• ExpandedPolynomial1
  Context("Numeric"); Context("LimitedPolynomial-Strict");
  4 KB (589 words) - 05:47, 18 July 2023
• LinearApprox1
  Context("Numeric")->variables->add(y=>"Real"); We have to tell the context that we are allowing the assignment of a variable to a formula.
  4 KB (588 words) - 06:11, 18 July 2023
• MultipleChoicePopup2
  Context("Numeric"); ...[http://webwork.maa.org/pod/pg/macros/parserPopUp.html parserPopUp.pl] The context is not really necessary, but multiple choice questions are often follow-up
  4 KB (599 words) - 07:18, 17 July 2023
• LimitsOfIntegration
  Context("Numeric"); Context()->texStrings;
  2 KB (356 words) - 16:19, 14 May 2010
• TableOfValues1
  Context("Numeric"); Context()->texStrings;
  4 KB (535 words) - 06:05, 18 July 2023
• IframeEmbedding1
  Context("Numeric"); Context()->texStrings;
  4 KB (619 words) - 07:41, 17 July 2023
• Mathematical notation - PGML
  ...s for display. By default, it uses a special context called the [[Typeset Context]] that includes many more functions and operators than most other contexts. If you want to use a different context, however, you can select one by putting its name in braces after the closin
  4 KB (716 words) - 11:42, 28 October 2021
• EquationDefiningFunction1
  Context("Numeric")->variables->are(x=&gt;"Real",y=&gt;"Real"); Context()->texStrings;
  4 KB (557 words) - 05:42, 18 July 2023
• ComposingFunctions
  Context("Numeric"); Context()->variables->are(x=>"Real",y=>"Real",u=>"Real");
  3 KB (475 words) - 09:11, 28 June 2023
• SurfaceGraph1
  Context("Numeric"); Context()->variables->are(x=>"Real",y=>"Real",z=>"Real",u=>"Real",v=>"Real");
  4 KB (595 words) - 07:49, 18 July 2023
• AddingFunctions
  <h2>Adding Functions to the Context: PG Code Snippet</h2> ...is code snippet shows the essential PG code to add a named function to the Context in a problem. Note that these are <b>insertions</b>, not a complete PG f
  6 KB (938 words) - 16:42, 20 June 2023
• PrimeOperator
  Context("Numeric")->variables->add(y=>"Real"); Context()->constants->add(k=>0.01);
  3 KB (394 words) - 18:06, 7 April 2021
• LimitsOfIntegration1
  Context("Numeric"); Context()->variables->are(
  5 KB (746 words) - 06:15, 18 July 2023
• Volume3
  Context("Numeric"); Context()->variables->are(
  5 KB (700 words) - 06:17, 18 July 2023
• StringsInContext
  Context()-&gt;strings-&gt;add(none=&gt;{}); # Context()-&gt;strings-&gt;add(none=&gt;{caseSensitive=&gt;1});
  4 KB (656 words) - 16:49, 20 June 2023
• VectorParametricLines1
  Context("Vector")->variables->are(t=>"Real"); Context()->texStrings;
  4 KB (608 words) - 07:52, 18 July 2023
• RecursivelyDefinedFunctions
  ...rserFunction.pl</code>. There is a more basic way to add functions to the context, which is explained in example 2 at Context("Numeric")->variables->are(n=>"Real");
  4 KB (573 words) - 14:48, 16 July 2023
• VectorParametric1
  Context("Vector2D"); #Context("Vector"); # for 3D vectors
  6 KB (755 words) - 07:51, 18 July 2023
• LimitedPowers
  Context("Numeric"); Context()->texStrings;
  3 KB (407 words) - 17:55, 7 April 2021
• SpacecurveGraph1
  Context("Numeric"); Context()->variables->are(x=>"Real",y=>"Real",z=>"Real",t=>"Real");
  5 KB (655 words) - 07:48, 18 July 2023
• ExtractingCoordinatesFromPoint
  Context( "Point" ); We don't use <code>Context("Vector");</code> and <code>norm( $point[0] - $point[1] )</code> here
  4 KB (631 words) - 09:42, 28 June 2023
• SimplifiedSquareRoots
  my $value = $self->context->flag("setSqrt"); Context("Numeric")->variables->are(
  4 KB (562 words) - 17:56, 7 April 2021
• AlignedChoice
  Context("Numeric"); Context()->functions->disable("All");
  4 KB (551 words) - 09:06, 28 June 2023
• ImplicitPlane1
  * The <tt>parserImplicitPlane.pl</tt> macro includes the context and the <tt>ImplicitPlane</tt> function to parse and create implicit planes Context('ImplicitPlane');
  4 KB (633 words) - 06:30, 18 July 2023
• Graph3DCylindrical1
  Context("Numeric"); Context()->variables->are(x=>"Real",y=>"Real",r=>"Real",t=>"Real");
  5 KB (662 words) - 06:33, 18 July 2023
• AnswerIsSolutionToEquation
  Context("Vector")->variables->are(x=>'Real',y=>'Real'); Context()->texStrings;
  3 KB (441 words) - 16:53, 20 June 2023
• EquationImplicitFunction1
  Context('ImplicitEquation'); Context()->{error}{msg}{
  4 KB (587 words) - 05:43, 18 July 2023
• ProvingTrigIdentities1
  Context("Numeric")->variables->are(t=>"Real"); Context()->functions->remove("sin");
  5 KB (792 words) - 07:56, 18 July 2023
• HeavisideStep1
  ...ntext. It also shows how to add a named function <code>u(x)</code> to the context that has a reliable answer checker and can stand in for the Heaviside step We load <code>parserFunction.pl</code> to make adding a named function to the context easier.
  9 KB (1,443 words) - 06:27, 18 July 2023
• Image
  ...the array when used in scalar context.) The most common usage is the array context.</blockquote>
  2 KB (311 words) - 18:45, 18 November 2009
• DisableFunctions
  ...enter, or, alternately, it is possible to specifically indicate within the context what functions or operations are not allowed. In the following, we first c ...me</i>.pl</code>, where <code><i>ContextName</i></code> is the name of the context used in the problem set-up section of the problem.
  10 KB (1,530 words) - 09:23, 28 June 2023
• 3DGraphsParametricCurves
  Context("Numeric"); Context()->variables->are(x=>"Real",y=>"Real",z=>"Real",t=>"Real");
  4 KB (524 words) - 11:03, 29 June 2023
• NumericalTolerance
  ...athObjects we can control tolerance by setting a "global" tolerance in the Context, as shown in the example below, or by specifying the tolerance that is used Context("Numeric");
  6 KB (779 words) - 16:40, 20 June 2023
• AnyAnswerMarkedCorrect
  Context("Numeric"); Context()->texStrings;
  5 KB (783 words) - 16:54, 20 June 2023
• ProvingTrigIdentities3
  Context("Numeric")->variables->are(t=>"Real"); Context("Numeric")->variables->are(t=>"Real");
  5 KB (717 words) - 06:01, 18 July 2023
• SimplifiedEntryExample1
  <label for="context">Context</label> <select id="context" name="context">
  945 bytes (111 words) - 15:06, 21 June 2021
• 3DGraphsInRectangular
  Context("Numeric"); Context()->variables->are(x=>"Real",y=>"Real",r=>"Real",s=>"Real",t=>"Real");
  4 KB (531 words) - 11:00, 29 June 2023
• Graph3DRectangular1
  Context("Numeric"); Context()->variables->are(x=>"Real",y=>"Real",r=>"Real",s=>"Real",t=>"Real");
  5 KB (708 words) - 06:32, 18 July 2023
• MatrixAnswer2
  Context('Matrix'); Context()->texStrings;
  6 KB (884 words) - 06:24, 18 July 2023
• RowOperations1
  Context('Matrix'); Context()->texStrings;
  4 KB (510 words) - 06:26, 18 July 2023
• Point (MathObject Class)
  ...to create Points in <math>{\bf C}^n</math>, though there is no pre-defined Context that makes this easy to do. Context("Point");
  4 KB (584 words) - 17:56, 7 April 2021
• 3DGraphsInCylindrical
  Context("Numeric"); Context()->variables->are(x=>"Real",y=>"Real",r=>"Real",t=>"Real");
  4 KB (528 words) - 10:58, 29 June 2023
• Fundamental Theorem of Calculus: handling the preview button.
  Context("Numeric"); Context()->texStrings;
  3 KB (314 words) - 21:02, 1 August 2022
• FactoringAndExpanding
  ...ext and the LimitedPowers context for factoring, and the LimitedPolynomial context for expanding.</li> ...ptive parameters and a MultiAnswer for factoring and the LimitedPolynomial context for expanding.</li>
  11 KB (1,537 words) - 09:43, 28 June 2023
• EquationEvaluators
  Context("ImplicitEquation"); Context()-&gt;variables-&gt;set(
  5 KB (799 words) - 09:30, 28 June 2023
• VectorOperations1
  Context("Vector"); Context()->operators->undefine(".","><");
  6 KB (820 words) - 06:28, 18 July 2023
• FactoredPolynomial1
  Context('Numeric'); Context('PolynomialFactors-Strict');
  4 KB (583 words) - 05:48, 18 July 2023

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