// Numbas version: finer_feedback_settings {"name": "Answer is diff(y,x,2)", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "question_groups": [{"pickingStrategy": "all-ordered", "questions": [{"name": "Answer is diff(y,x,2)", "tags": [], "metadata": {"description": "
The student has to enter `diff(y,x,2)`, equivalent to $\\frac{\\mathrm{d}^2y}{\\mathrm{d}x^2}$, as their answer. It's marked by pattern matching, using a custom marking algorithm.
", "licence": "Creative Commons Attribution 4.0 International"}, "statement": "", "advice": "", "rulesets": {}, "extensions": [], "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true}, "constants": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "jme", "useCustomName": false, "customName": "", "marks": 1, "scripts": {}, "customMarkingAlgorithm": "mark:\n apply(studentExpr);\n correctif(matches(studentExpr, \"diff(y,x,2)\"))", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "The answer is $\\frac{\\mathrm{d}^2y}{\\mathrm{d}x^2}$, written as diff(y,x,2)
.