// Numbas version: finer_feedback_settings
{"name": "Alex's copy of Simon's copy of Lois's copy of Multiply two matrices", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "question_groups": [{"pickingStrategy": "all-ordered", "questions": [{"functions": {}, "ungrouped_variables": ["matrices"], "name": "Alex's copy of Simon's copy of Lois's copy of Multiply two matrices", "tags": [], "preamble": {"css": "", "js": ""}, "advice": "<p>This&nbsp;<a href=\"http://www.mathcentre.ac.uk/resources/uploaded/sigma-matrices5-2009-1.pdf\">leaflet</a> from Mathcentre introduces the idea of multiplying matrices together.</p>", "rulesets": {}, "parts": [{"prompt": "<p>What is $\\simplify{{matrices[0]}*{matrices[1]}}$?</p>\n<p>[[0]]</p>", "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "gaps": [{"numRows": 1, "numColumns": 1, "type": "matrix", "allowFractions": false, "variableReplacements": [], "markPerCell": false, "variableReplacementStrategy": "originalfirst", "correctAnswerFractions": false, "showCorrectAnswer": true, "correctAnswer": "matrices[0]*matrices[1]", "scripts": {}, "marks": 1, "tolerance": 0, "allowResize": true}], "showCorrectAnswer": true, "scripts": {}, "marks": 0, "type": "gapfill"}], "extensions": [], "statement": "<p>Multiply the following matrices. You will need to set the size of your answer matrix.</p>", "variable_groups": [], "variablesTest": {"maxRuns": 100, "condition": ""}, "variables": {"matrices": {"definition": "repeat(matrix(repeat(repeat(random(0..6)*random(1,1,1,-1),2),2)),2)", "templateType": "anything", "group": "Ungrouped variables", "name": "matrices", "description": "<p>A couple of random matrices to multiply together</p>"}}, "metadata": {"description": "<p>Multiplying two 2 x 2 matrices.</p>", "licence": "Creative Commons Attribution 4.0 International"}, "type": "question", "contributors": [{"name": "Alex Van den Hof", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/1273/"}]}]}], "contributors": [{"name": "Alex Van den Hof", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/1273/"}]}