Problem 43803. Cookie Cutters

Created by JD

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{"relationships":[{"relationshipType":"http://schemas.mathworks.com/matlab/code/2013/relationships/document","targetMode":"","relationshipId":"rId1","target":"/matlab/document.xml"},{"relationshipType":"http://schemas.mathworks.com/matlab/code/2013/relationships/output","targetMode":"","relationshipId":"rId2","target":"/matlab/output.xml"}],"parts":[{"partUri":"/matlab/document.xml","relationship":[],"contentType":"application/vnd.mathworks.matlab.code.document+xml","content":"<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<w:document xmlns:w=\"http://schemas.openxmlformats.org/wordprocessingml/2006/main\"><w:body><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:t>Given a larger and smaller matrix, perform element-by-element multiplication on the smaller matrix and a sub-matrix of the larger matrix with a given offset. Return that matrix. For example, given</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"code\"/></w:pPr><w:r><w:t><![CDATA[ m =\n   [ 17  24   1   8  15\n     23   5   7  14  16\n      4   6  13  20  22\n     10  12  19  21   3\n     11  18  25   2   9 ]]]></w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:t>and</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"code\"/></w:pPr><w:r><w:t><![CDATA[ n =\n   [ 1 1 1\n     1 1 1 ]]]></w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:t>and o = [2 3], the result would be</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"code\"/></w:pPr><w:r><w:t><![CDATA[    7  14  16\n   13  20  22]]></w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/></w:pPr><w:r><w:t>The overlap of the two matrices will always be valid, so [4 5] would not be a valid offset for this example problem.</w:t></w:r></w:p></w:body></w:document>"},{"partUri":"/matlab/output.xml","contentType":"text/xml","content":"<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"no\" ?><embeddedOutputs><metaData><evaluationState>manual</evaluationState><layoutState>code</layoutState><outputStatus>ready</outputStatus></metaData><outputArray type=\"array\"/><regionArray type=\"array\"/></embeddedOutputs>"}]}

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Last Solution submitted on Jan 27, 2022

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2 Comments

Peng Liu on 14 Dec 2016

The current test suite considers the input n as flat and square matrices (i.e., size(n,1) <= size(n,2)). It is recommended that tall matrix (size(n,1) > size(n,2)) should also be added in order to make the test suite more comprehensive.

JD on 4 Jan 2017

Updated test suite.

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Problem 43803. Cookie Cutters

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Problem 43803. Cookie Cutters

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