// Numbas version: exam_results_page_options
{"name": "Indefinite Integrals Q2 2019 (custom feedback)", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "question_groups": [{"pickingStrategy": "all-ordered", "questions": [{"functions": {}, "variable_groups": [], "name": "Indefinite Integrals Q2 2019 (custom feedback)", "ungrouped_variables": ["a", "c", "b", "d", "f"], "statement": "<p>Solve the following indefinite integrals, using $C$ to represent an unknown constant.</p>", "preamble": {"js": "", "css": ""}, "tags": [], "advice": "<p>Indefinite Integrals</p>", "variables": {"c": {"group": "Ungrouped variables", "templateType": "anything", "description": "", "name": "c", "definition": "random(1..9 except a except b)"}, "f": {"group": "Ungrouped variables", "templateType": "anything", "description": "", "name": "f", "definition": "random(1..8 except d)"}, "b": {"group": "Ungrouped variables", "templateType": "anything", "description": "", "name": "b", "definition": "random(2..9 except a)"}, "a": {"group": "Ungrouped variables", "templateType": "anything", "description": "", "name": "a", "definition": "random(2..9)"}, "d": {"group": "Ungrouped variables", "templateType": "anything", "description": "", "name": "d", "definition": "random(1..8)"}}, "rulesets": {}, "parts": [{"extendBaseMarkingAlgorithm": true, "customMarkingAlgorithm": "malrules:\n  [\n  [\"2u^3/3+({f}+2*{d})/2*u^2+{d*f}u\", \"Don't forget to include the constant of integration.\"],  \n  [\"(u^2/2+{d}*u)*(u^2+{f}*u)+C\", \"It looks like you integrated each term without multiplying out the expression. Try multiplying out first.\"],\n  [\"(u^2/2+{d}*u)*(u^2+{f}*u)\", \"It looks like you integrated each term without multiplying out the expression. Try multiplying out first.\"]\n ]\n\n\nparsed_malrules: \n    map(\n        [\"expr\":parse(x[0]),\"feedback\":x[1]],\n        x,\n        malrules\n    )\n\nagree_malrules (Do the student's answer and the expected answer agree on each of the sets of variable values?):\n    map(\n        len(filter(not x ,x,map(\n            try(\n                resultsEqual(unset(question_definitions,eval(studentexpr,vars)),unset(question_definitions,eval(malrule[\"expr\"],vars)),settings[\"checkingType\"],settings[\"checkingAccuracy\"]),\n                message,\n                false\n            ),\n            vars,\n            vset\n        )))<settings[\"failureRate\"],\n        malrule,\n        parsed_malrules\n    )\n\nmatched_malrules:\n  filter(x[0],x,zip(agree_malrules,parsed_malrules))\n  \nmalrule_feedback:\n    assert(numericallyCorrect,\n        assert(len(matched_malrules)=0,\n            set_credit(0,matched_malrules[0][1][\"feedback\"])\n        )\n    )\n\nmark:\n    apply(studentExpr);\n    apply(unexpectedVariables);\n    apply(numericallyCorrect);\n    apply(malrule_feedback);\n    apply(failMinLength);\n    apply(failMaxLength);\n    apply(forbiddenStringsPenalty);\n    apply(requiredStringsPenalty)", "checkVariableNames": false, "vsetRange": [0, 1], "showCorrectAnswer": true, "variableReplacements": [], "answer": "2u^3/3+u^2({f}+2{d})/2+{d}{f}u+C", "scripts": {}, "type": "jme", "prompt": "<p>$\\int(u+\\var{d})(2u+\\var{f})\\mathrm{du}$</p>", "failureRate": 1, "showPreview": true, "checkingType": "absdiff", "checkingAccuracy": 0.001, "variableReplacementStrategy": "originalfirst", "showFeedbackIcon": true, "vsetRangePoints": 5, "unitTests": [], "marks": 1, "expectedVariableNames": []}], "metadata": {"description": "<p>Simple Indefinite Integrals</p>\n<p></p>", "licence": "Creative Commons Attribution 4.0 International"}, "extensions": [], "variablesTest": {"maxRuns": 100, "condition": ""}, "type": "question", "contributors": [{"name": "Clodagh Carroll", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/384/"}, {"name": "Violeta CIT", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/1030/"}]}]}], "contributors": [{"name": "Clodagh Carroll", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/384/"}, {"name": "Violeta CIT", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/1030/"}]}