// Numbas version: finer_feedback_settings
{"name": "Infer types for variables in mathematical expression parts", "extensions": ["eukleides", "random_person", "quantities"], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "question_groups": [{"pickingStrategy": "all-ordered", "questions": [{"extensions": [], "tags": [], "name": "Infer types for variables in mathematical expression parts", "rulesets": {}, "advice": "", "variable_groups": [], "variables": {}, "resources": [], "contributors": [{"name": "Christian Lawson-Perfect", "profile_url": "http://localhost:8000/accounts/profile/1/"}, {"name": "Christian Lawson-Perfect", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/7/"}], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "showresultspage": "never"}, "variablesTest": {"maxRuns": 100, "condition": ""}, "statement": "<p>In this question, the correct answers can't be evaluated by substituting numbers for each of the variables.</p>\n<p>Numbas can now infer the types of variables in the answers to mathematical expression parts, so questions like this can be marked.</p>", "ungrouped_variables": [], "custom_part_types": [], "parts": [{"showPreview": true, "failureRate": 1, "showFeedbackIcon": true, "checkingType": "absdiff", "marks": 1, "answer": "k det(A)", "type": "jme", "variableReplacementStrategy": "originalfirst", "customName": "", "prompt": "<p>In this part, $A$ must be a matrix.</p>\n<p>The correct answer is $k \\det(A)$</p>", "extendBaseMarkingAlgorithm": true, "variableReplacements": [], "useCustomName": false, "valuegenerators": [{"name": "a", "value": ""}, {"name": "k", "value": ""}], "unitTests": [], "vsetRangePoints": 5, "scripts": {}, "showCorrectAnswer": true, "checkingAccuracy": 0.001, "vsetRange": [0, 1], "customMarkingAlgorithm": "", "checkVariableNames": false}, {"showPreview": true, "failureRate": 1, "showFeedbackIcon": true, "checkingType": "absdiff", "marks": 1, "answer": "a and b", "type": "jme", "variableReplacementStrategy": "originalfirst", "customName": "", "prompt": "<p>$a$ and $b$ are booleans.</p>\n<p>The correct answer is $a \\wedge b$, entered as <code>a and b</code>.</p>", "extendBaseMarkingAlgorithm": true, "variableReplacements": [], "useCustomName": false, "valuegenerators": [{"name": "a", "value": ""}, {"name": "b", "value": ""}], "unitTests": [], "vsetRangePoints": 5, "scripts": {}, "showCorrectAnswer": true, "checkingAccuracy": 0.001, "vsetRange": [0, 1], "customMarkingAlgorithm": "", "checkVariableNames": false}, {"showPreview": true, "failureRate": 1, "showFeedbackIcon": true, "checkingType": "absdiff", "marks": 1, "answer": "dot(vector(1,2,3),a)", "type": "jme", "variableReplacementStrategy": "originalfirst", "customName": "", "prompt": "<p>$a$ must be a vector</p>\n<p>The correct answer is $\\begin{pmatrix}1\\\\2\\\\3\\end{pmatrix} \\cdot a$, entered as <code>dot(vector(1,2,3),a)</code>.</p>", "extendBaseMarkingAlgorithm": true, "variableReplacements": [], "useCustomName": false, "valuegenerators": [{"name": "a", "value": ""}], "unitTests": [], "vsetRangePoints": 5, "scripts": {}, "showCorrectAnswer": true, "checkingAccuracy": 0.001, "vsetRange": [0, 1], "customMarkingAlgorithm": "", "checkVariableNames": false}], "functions": {}, "preamble": {"css": "", "js": ""}, "metadata": {"licence": "Creative Commons Attribution 4.0 International", "description": "<p>In this question, the correct answers can't be evaluated by substituting numbers for each of the variables.</p><p>Numbas\n can now infer the types of variables in the answers to mathematical \nexpression parts, so questions like this can be marked.</p>"}, "type": "exam"}]}], "contributors": [{"name": "Christian Lawson-Perfect", "profile_url": "http://localhost:8000/accounts/profile/1/"}, {"name": "Christian Lawson-Perfect", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/7/"}]}