次の行列の計算をせよ。
1.
@A@ + @B@ = #ans1# <IEfeedback>ans1</IEfeedback>
2.
@C@ $\times$ @D@ = #ans2#<IEfeedback>ans2</IEfeedback>
ただし,行列@matrix([a, b], [c, d])@は matrix([a, b], [c, d]) のように入力すること。<PRTfeedback>A1</PRTfeedback><PRTfeedback>A2</PRTfeedback>falsetrueA = matrix([rand([-1,1])*rand(6),rand([-1,1])*rand(6)],[rand([-1,1])*rand(6),rand([-1,1])*rand(6)]); B = matrix([rand([-1,1])*rand(6),rand([-1,1])*rand(6)],[rand([-1,1])*rand(6),rand([-1,1])*rand(6)]); C = matrix([rand([-1,1])*rand(6),rand([-1,1])*rand(6),rand([-1,1])*rand(6)],[rand([-1,1])*rand(6),rand([-1,1])*rand(6),rand([-1,1])*rand(6)]); D = matrix([rand([-1,1])*rand(6),rand([-1,1])*rand(6)],[rand([-1,1])*rand(6),rand([-1,1])*rand(6)],[rand([-1,1])*rand(6),rand([-1,1])*rand(6)]); E = matrix([a,b],[c,d]); F = matrix([e,f],[g,h])falsetrue行列の和の計算方法:
\[ @E@ + @F@ = @E+F@\]
行列の積の計算方法:
\[ @E@ \times @F@ = @E.F@\]falsetruefalsetrueans1MatrixAlgebraic Input5A+Bfalsetrueans1formalSyntaxlisttruetruefalsetrueforbidFloatslisttruetruefalseOPT_NoFloatsextrueinsertStarslistfalsetruefalsefalsesameTypelisttruetruefalsetruelowestTermslisttruetruefalseOPT_LowestTermsextrue+ans2Algebraic InputAlgebraic Input30C.Dfalsetrueans2matrix([?,?],[?,?])formalSyntaxlisttruetruefalsetrueforbidFloatslisttruetruefalseOPT_NoFloatsextrueinsertStarslistfalsetruefalsefalsesameTypelisttruetruefalsetruelowestTermslisttruetruefalseOPT_LowestTermsextrue.PotResTree_A21trueAlgEquivC.Dans2=1A2-0-T -1=0A2-0-F -1PotResTree_A11trueAlgEquivA+Bans1=1A1-0-T -1=0A1-0-F -13enjaenfrnlesja指定なしSample 09行列の和と積の計算http://ja-stack.org/stack-jatext/xml; charset="utf-8"applicationaudioimagemessagemodeltextvideomultipartPrimaryEducationunspecifiedPrimary EducationSecondary EducationHigher EducationUniversity First CycleUniversity Second CycleUniversity Post GradeTechnical School First CycleTechnical School Second CycleProfessional FormationContinuous FormationVocational Training指定なしVeryEasyunspecified大変易しい易しい普通難しい大変難しい指定なしThinkunspecifiedThinkArgueSolveRepresentLanguageCommunicateTools指定なしElementaryunspecifiedElementarySimple conceptualMulti-stepComplex指定なし00:00:0000:00:00http://www.gnu.org/copyleft/gpl.htmlhttp://www.gnu.org/copyleft/gpl.htmlAlgebraicExpressionAlgebraicExpressionAlgebraic ExpressionMCQ Single AnswerMCQ Multiple AnswerFill in blank指定なし2010-01-24 18:47:462009-06-30 09:33:21DraftDraftドラフト展開済みバグありUnpublishedUnpublished非公開公開個人DisplaylistLaTeXLaTeXMathMLOPT_OUTPUTstringLaTeXMultiplicationSignlistdot(none)dotcrossmake_multsgnfundotComplexNolistiijmake_complexJfuniFloatslisttruetruefalseOPT_NoFloatsextrueSqrtSignlisttruetruefalsesqrtdispflagextrueSimplifylisttruetruefalsesimpextrueMarkModMethodlistPenaltyPenaltyFirst AnswerLast AnswerPenaltyAssumePoslistfalsetruefalseassume_posexfalseTeacherEmailstringFeedbacklistTGSTGSTGGSGSnoneTGSFeedbackGenericCorrecthtml<span class='correctAns'>Correct answer, well done.</span><span class='correctAns'>よくできました。正解です!</span>FeedbackGenericIncorrecthtml<span class='incorrect'>Incorrect answer.</span><span class='incorrect'>残念、間違いです。</span>FeedbackGenericPCorrecthtml<span class='partially'>Your answer is partially correct.</span><span class='partially'>惜しい!部分的に正解です。</span>