Cody

# Problem 43177. Extract a specific part of matrix!

Solution 1759131

Submitted on 23 Mar 2019
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### Test Suite

Test Status Code Input and Output
1   Fail
x=[1 2 3; 4 5 6; 7 8 9] y_correct = [1 3;7 9] assert(isequal(extractodd(x),y_correct))

x = 1 2 3 4 5 6 7 8 9 y_correct = 1 3 7 9 [Warning: Colon operands must be real scalars.] [> In extractodd (line 3) In ScoringEngineTestPoint1 (line 5) In solutionTest (line 3) In matlab.unittest.internal.executeCodeBlock (line 11) In matlab.unittest.internal.ScriptTestCaseProvider/evaluateTestSection (line 134) In matlab.unittest.internal.ScriptTestCaseProvider/runTestSection (line 128) In matlab.unittest.internal.ScriptTestCaseProvider>@(testCase)provider.runTestSection(testCase) (line 94) In matlab.unittest.FunctionTestCase/test (line 98) In matlab.unittest.TestRunner/evaluateMethodCore (line 854) In matlab.unittest.TestRunner/evaluateMethod (line 1160) In matlab.unittest.TestRunner/invokeTestContentOperatorMethod_ (line 908) In matlab.unittest.plugins.TestRunnerPlugin/evaluateMethod (line 655) In scoringengine.OutputPlugin/evaluateMethod In matlab.unittest.plugins.TestRunnerPlugin/invokeTestContentOperatorMethod_ (line 686) In matlab.unittest.plugins.TestRunnerPlugin/evaluateMethod (line 655) In scoringengine.FiguresPlugin/evaluateMethod In matlab.unittest.plugins.TestRunnerPlugin/invokeTestContentOperatorMethod_ (line 686) In matlab.unittest.TestRunner/evaluateMethodOnPlugins (line 758) In matlab.unittest.TestRunner/evaluateMethodsOnTestContent (line 796) In matlab.unittest.TestRunner/runTestMethod (line 1156) In matlab.unittest.TestRunner/invokeTestContentOperatorMethod_ (line 908) In matlab.unittest.plugins.TestRunnerPlugin/runTestMethod (line 609) In scoringengine.OutputPlugin/runTestMethod In matlab.unittest.plugins.TestRunnerPlugin/invokeTestContentOperatorMethod_ (line 686) In matlab.unittest.plugins.TestRunnerPlugin/runTestMethod (line 609) In scoringengine.FiguresPlugin/runTestMethod In matlab.unittest.plugins.TestRunnerPlugin/invokeTestContentOperatorMethod_ (line 686) In matlab.unittest.TestRunner/evaluateMethodOnPlugins (line 758) In matlab.unittest.TestRunner/runTest (line 1103) In matlab.unittest.TestRunner/repeatTest (line 485) In matlab.unittest.TestRunner/runSharedTestCase (line 441) In matlab.unittest.TestRunner/runTestClass (line 1013) In matlab.unittest.TestRunner/invokeTestContentOperatorMethod_ (line 908) In matlab.unittest.TestRunner/evaluateMethodOnPlugins (line 758) In matlab.unittest.TestRunner/runTestSuite (line 950) In matlab.unittest.TestRunner/invokeTestContentOperatorMethod_ (line 908) In matlab.unittest.plugins.TestRunnerPlugin/runTestSuite (line 226) In scoringengine.OutputPlugin/runTestSuite In matlab.unittest.plugins.TestRunnerPlugin/invokeTestContentOperatorMethod_ (line 686) In matlab.unittest.plugins.TestRunnerPlugin/runTestSuite (line 226) In scoringengine.FiguresPlugin/runTestSuite In matlab.unittest.plugins.TestRunnerPlugin/invokeTestContentOperatorMethod_ (line 686) In matlab.unittest.plugins.TestRunnerPlugin/runTestSuite (line 226) In matlab.unittest.plugins.DiagnosticsRecordingPlugin/runTestSuite (line 204) In matlab.unittest.plugins.TestRunnerPlugin/invokeTestContentOperatorMethod_ (line 686) In matlab.unittest.TestRunner/evaluateMethodOnPlugins (line 758) In matlab.unittest.TestRunner/doRun (line 414) In matlab.unittest.TestRunner/run (line 293) In scoringengine.verifyCode In scoringengine.verifyCode In connector.internal.fevalMatlab In connector.internal.fevalJSON ]

Index in position 2 is invalid. Array indices must be positive integers or logical values. Error in extractodd (line 3) y(i,j) = x(1:2:imax,j:2:jmax); Error in Test1 (line 5) assert(isequal(extractodd(x),y_correct))

2   Fail
x=[1 3 5 7 9] y_correct = [1 5 9] assert(isequal(extractodd(x),y_correct))

x = 1 3 5 7 9 y_correct = 1 5 9 [Warning: Colon operands must be real scalars.] [> In extractodd (line 3) In ScoringEngineTestPoint2 (line 3) In solutionTest (line 5) In matlab.unittest.internal.executeCodeBlock (line 11) In matlab.unittest.internal.ScriptTestCaseProvider/evaluateTestSection (line 134) In matlab.unittest.internal.ScriptTestCaseProvider/runTestSection (line 128) In matlab.unittest.internal.ScriptTestCaseProvider>@(testCase)provider.runTestSection(testCase) (line 94) In matlab.unittest.FunctionTestCase/test (line 98) In matlab.unittest.TestRunner/evaluateMethodCore (line 854) In matlab.unittest.TestRunner/evaluateMethod (line 1160) In matlab.unittest.TestRunner/invokeTestContentOperatorMethod_ (line 908) In matlab.unittest.plugins.TestRunnerPlugin/evaluateMethod (line 655) In scoringengine.OutputPlugin/evaluateMethod In matlab.unittest.plugins.TestRunnerPlugin/invokeTestContentOperatorMethod_ (line 686) In matlab.unittest.plugins.TestRunnerPlugin/evaluateMethod (line 655) In scoringengine.FiguresPlugin/evaluateMethod In matlab.unittest.plugins.TestRunnerPlugin/invokeTestContentOperatorMethod_ (line 686) In matlab.unittest.TestRunner/evaluateMethodOnPlugins (line 758) In matlab.unittest.TestRunner/evaluateMethodsOnTestContent (line 796) In matlab.unittest.TestRunner/runTestMethod (line 1156) In matlab.unittest.TestRunner/invokeTestContentOperatorMethod_ (line 908) In matlab.unittest.plugins.TestRunnerPlugin/runTestMethod (line 609) In scoringengine.OutputPlugin/runTestMethod In matlab.unittest.plugins.TestRunnerPlugin/invokeTestContentOperatorMethod_ (line 686) In matlab.unittest.plugins.TestRunnerPlugin/runTestMethod (line 609) In scoringengine.FiguresPlugin/runTestMethod In matlab.unittest.plugins.TestRunnerPlugin/invokeTestContentOperatorMethod_ (line 686) In matlab.unittest.TestRunner/evaluateMethodOnPlugins (line 758) In matlab.unittest.TestRunner/runTest (line 1103) In matlab.unittest.TestRunner/repeatTest (line 485) In matlab.unittest.TestRunner/runSharedTestCase (line 441) In matlab.unittest.TestRunner/runTestClass (line 1013) In matlab.unittest.TestRunner/invokeTestContentOperatorMethod_ (line 908) In matlab.unittest.TestRunner/evaluateMethodOnPlugins (line 758) In matlab.unittest.TestRunner/runTestSuite (line 950) In matlab.unittest.TestRunner/invokeTestContentOperatorMethod_ (line 908) In matlab.unittest.plugins.TestRunnerPlugin/runTestSuite (line 226) In scoringengine.OutputPlugin/runTestSuite In matlab.unittest.plugins.TestRunnerPlugin/invokeTestContentOperatorMethod_ (line 686) In matlab.unittest.plugins.TestRunnerPlugin/runTestSuite (line 226) In scoringengine.FiguresPlugin/runTestSuite In matlab.unittest.plugins.TestRunnerPlugin/invokeTestContentOperatorMethod_ (line 686) In matlab.unittest.plugins.TestRunnerPlugin/runTestSuite (line 226) In matlab.unittest.plugins.DiagnosticsRecordingPlugin/runTestSuite (line 204) In matlab.unittest.plugins.TestRunnerPlugin/invokeTestContentOperatorMethod_ (line 686) In matlab.unittest.TestRunner/evaluateMethodOnPlugins (line 758) In matlab.unittest.TestRunner/doRun (line 414) In matlab.unittest.TestRunner/run (line 293) In scoringengine.verifyCode In scoringengine.verifyCode In connector.internal.fevalMatlab In connector.internal.fevalJSON ]

Index in position 2 is invalid. Array indices must be positive integers or logical values. Error in extractodd (line 3) y(i,j) = x(1:2:imax,j:2:jmax); Error in Test2 (line 3) assert(isequal(extractodd(x),y_correct))