// Numbas version: exam_results_page_options
{"name": "MATLAB - Basic plotting", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "question_groups": [{"pickingStrategy": "all-ordered", "questions": [{"name": "MATLAB - Basic plotting", "tags": [], "metadata": {"description": "Part of the tutorial to introduse students to MATLAB programming.", "licence": "Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International"}, "statement": "<p><strong>MATLAB: Basic plotting</strong><br/><br/>The basic command to produce plots is <code>plot</code>. Find documentation for it using the documentation search box in the top right corner of MATLAB window. Use the documentation to complete the following tasks.<br/><br/>Note, that in MATLAB every new plot command overwrites previous plots. If you want to keep old plots, use <code>figure</code> command to create a new plot window. If you want to plot a new line in the existing graph use <code>hold on</code> command. Look up these commands in the documentation for more details.<br/><br/><strong>Task:</strong></p>", "advice": "", "rulesets": {}, "extensions": [], "variables": {"xmin": {"name": "xmin", "group": "Ungrouped variables", "definition": "dec(random(0..10)/100)", "description": "", "templateType": "anything"}, "xmax": {"name": "xmax", "group": "Ungrouped variables", "definition": "dec(random(10..100)/10)", "description": "", "templateType": "anything"}, "xstep": {"name": "xstep", "group": "Ungrouped variables", "definition": "dec(random(0..10)/1000)", "description": "", "templateType": "anything"}, "colour": {"name": "colour", "group": "Ungrouped variables", "definition": "[\"red\", \"green\", \"blue\", \"black\"]", "description": "", "templateType": "anything"}}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": ["xmin", "xmax", "xstep", "colour"], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "patternmatch", "useCustomName": false, "customName": "", "marks": 1, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "<p>Create vector \\(x\\) of values from {xmin} to {xmax} with step {xstep}. Calculate \\(y=\\sin x\\) and plot \\(y\\) against \\(x\\).</p>\n<p>Enter the plot command you used:</p>", "answer": "plot\\(\\s*x\\s*,\\s*y.*\\)\\s*|plot\\(\\s*x\\s*,\\s*sin\\(x\\)s*\\)\\s*", "displayAnswer": "", "matchMode": "regex"}, {"type": "gapfill", "useCustomName": false, "customName": "", "marks": 0, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "<p>Create a new plot window and one by one add the following graphs. To distinguish between lines use lookup LineSpec in the documentation.</p>\n<p>\\(\\sin x\\) on interval of values from {xmin} to {xmax} with step {xstep} as a {colour[0]} line.<br/>LineSpec for {colour[0]}: [[0]]<br/><br/>\\(\\cos x\\) on interval of values from {xmin} to {xmax} with step {xstep} as a {colour[1]} line.<br/>LineSpec for {colour[1]}: [[1]]<br/><br/>\\(e^x\\) on interval of values from {xmin} to {xmax} with step {xstep} as a {colour[2]} line.<br/>LineSpec for {colour[2]}: [[2]]<br/><br/>\\(\\ln x\\) on interval of values from {xmin} to {xmax} with step {xstep} as a {colour[3]} line.<br/>LineSpec for {colour[3]}: [[3]]</p>", "gaps": [{"type": "patternmatch", "useCustomName": true, "customName": "r", "marks": 1, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "answer": "'r'", "displayAnswer": "", "matchMode": "exact"}, {"type": "patternmatch", "useCustomName": true, "customName": "g", "marks": 1, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "answer": "'g'", "displayAnswer": "", "matchMode": "exact"}, {"type": "patternmatch", "useCustomName": true, "customName": "b", "marks": 1, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "answer": "'b'", "displayAnswer": "", "matchMode": "exact"}, {"type": "patternmatch", "useCustomName": true, "customName": "k", "marks": 1, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "answer": "'k'", "displayAnswer": "", "matchMode": "exact"}], "sortAnswers": false}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": "always", "penaltyVisibility": "always", "contributors": [{"name": "Timur Zaripov", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/3272/"}]}]}], "contributors": [{"name": "Timur Zaripov", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/3272/"}]}