// Numbas version: finer_feedback_settings
{"name": "Luis's copy of Oracle function estimation", "extensions": ["geogebra"], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "question_groups": [{"pickingStrategy": "all-ordered", "questions": [{"parts": [{"gaps": [{"correctAnswerStyle": "plain", "mustBeReduced": false, "maxValue": "a", "scripts": {}, "variableReplacements": [], "mustBeReducedPC": 0, "allowFractions": false, "type": "numberentry", "notationStyles": ["plain", "en", "si-en"], "showCorrectAnswer": true, "extendBaseMarkingAlgorithm": true, "marks": 1, "minValue": "a", "correctAnswerFraction": false, "showFeedbackIcon": true, "variableReplacementStrategy": "originalfirst", "customMarkingAlgorithm": "", "unitTests": []}, {"correctAnswerStyle": "plain", "mustBeReduced": false, "maxValue": "b", "scripts": {}, "variableReplacements": [], "mustBeReducedPC": 0, "allowFractions": false, "type": "numberentry", "notationStyles": ["plain", "en", "si-en"], "showCorrectAnswer": true, "extendBaseMarkingAlgorithm": true, "marks": 1, "minValue": "b", "correctAnswerFraction": false, "showFeedbackIcon": true, "variableReplacementStrategy": "originalfirst", "customMarkingAlgorithm": "", "unitTests": []}, {"correctAnswerStyle": "plain", "mustBeReduced": false, "maxValue": "c", "scripts": {}, "variableReplacements": [], "mustBeReducedPC": 0, "allowFractions": false, "type": "numberentry", "notationStyles": ["plain", "en", "si-en"], "showCorrectAnswer": true, "extendBaseMarkingAlgorithm": true, "marks": 1, "minValue": "c", "correctAnswerFraction": false, "showFeedbackIcon": true, "variableReplacementStrategy": "originalfirst", "customMarkingAlgorithm": "", "unitTests": []}, {"correctAnswerStyle": "plain", "mustBeReduced": false, "maxValue": "d", "scripts": {}, "variableReplacements": [], "mustBeReducedPC": 0, "allowFractions": false, "type": "numberentry", "notationStyles": ["plain", "en", "si-en"], "showCorrectAnswer": true, "extendBaseMarkingAlgorithm": true, "marks": 1, "minValue": "d", "correctAnswerFraction": false, "showFeedbackIcon": true, "variableReplacementStrategy": "originalfirst", "customMarkingAlgorithm": "", "unitTests": []}], "scripts": {}, "sortAnswers": false, "variableReplacements": [], "type": "gapfill", "showCorrectAnswer": true, "extendBaseMarkingAlgorithm": true, "marks": 0, "prompt": "<p>Suppose I reveal that the function is a cubic, so that $f(x) = a x^3 + b x^2 + c x + d$. I will also tell you that $\\{a,b,c,d\\} \\subset \\mathbb{Z}$. Calculate&nbsp;the parameters $a$ to $d$.</p>\n<p>$a = $ [[0]]</p>\n<p>$b = $ [[1]]</p>\n<p>$c = $ [[2]]</p>\n<p>$d = $ [[3]]</p>", "showFeedbackIcon": true, "variableReplacementStrategy": "originalfirst", "customMarkingAlgorithm": "", "unitTests": []}], "preamble": {"css": "", "js": ""}, "variable_groups": [], "name": "Luis's copy of Oracle function estimation", "rulesets": {}, "statement": "<p><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Estoy pensando en una funci&oacute;n, &iexcl;pero no te dir&eacute; lo que es! </span><span style=\"vertical-align: inherit;\">Pero:</span></span></p>\n<ol>\n<li><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Es al menos dos veces diferenciable.</span></span></li>\n<li><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Le dir&eacute; el valor de la funci&oacute;n en cualquier lugar que solicite, con tres decimales. </span><span style=\"vertical-align: inherit;\">Puedes usar el cuadro de abajo para informarme. </span><span style=\"vertical-align: inherit;\">(Es posible que deba esperar un poco para que se cargue).</span></span></li>\n</ol>\n<p><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">{geogebra_applet ('ufgKrAzb', defs)}</span></span></p>", "ungrouped_variables": ["a", "b", "defs", "c", "d", "x_0", "df", "ddf"], "functions": {}, "variables": {"ddf": {"group": "Ungrouped variables", "description": "", "templateType": "anything", "name": "ddf", "definition": "6*a*x_0+2*b"}, "b": {"group": "Ungrouped variables", "description": "", "templateType": "anything", "name": "b", "definition": "random(-3..3)"}, "c": {"group": "Ungrouped variables", "description": "", "templateType": "randrange", "name": "c", "definition": "random(-3..3#1)"}, "defs": {"group": "Ungrouped variables", "description": "", "templateType": "anything", "name": "defs", "definition": "[\n  ['a',a],\n  ['b',b],\n  ['c',c],\n  ['d',d]\n]"}, "df": {"group": "Ungrouped variables", "description": "", "templateType": "anything", "name": "df", "definition": "3*a*x_0^2+2*b*x_0+c"}, "d": {"group": "Ungrouped variables", "description": "", "templateType": "anything", "name": "d", "definition": "random(-3..3)"}, "x_0": {"group": "Ungrouped variables", "description": "", "templateType": "anything", "name": "x_0", "definition": "random(-50 .. 50 except 0)/10"}, "a": {"group": "Ungrouped variables", "description": "", "templateType": "anything", "name": "a", "definition": "random(-3..3 except 0)"}}, "tags": [], "metadata": {"description": "<p><strong>Given</strong> an oracle function that will output its value given an input: first <strong>estimate</strong> the derivative, and second<strong> calculate</strong> its shape.</p>", "licence": "Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International"}, "variablesTest": {"maxRuns": 100, "condition": ""}, "extensions": ["geogebra"], "advice": "", "type": "question", "contributors": [{"name": "Philip Walker", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/362/"}, {"name": "Luis Hernandez", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/2870/"}]}]}], "contributors": [{"name": "Philip Walker", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/362/"}, {"name": "Luis Hernandez", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/2870/"}]}