Difference between revisions of "Selftest: Multiplication of matrices"
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− | {{ExerciseNavigation|previous=[[Selftest:Addition of matrices|Addition of matrices]]|chapter=[[Matrices]]|article=[[Multiplication of matrices]]|next=[[Selftest:The determinant of a matrix| | + | {{ExerciseNavigation|previous=[[Selftest: Addition of matrices|Addition of matrices]]|chapter=[[Matrices]]|article=[[Multiplication of matrices]]|next=[[Selftest: The determinant of a matrix|Determinant of a matrix]]}} |
<br/> | <br/> | ||
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+ <math>(\mathbf{A}\cdot\mathbf{B})\cdot\mathbf{C}=\mathbf{A}\cdot(\mathbf{B}\cdot\mathbf{C})</math> | + <math>(\mathbf{A}\cdot\mathbf{B})\cdot\mathbf{C}=\mathbf{A}\cdot(\mathbf{B}\cdot\mathbf{C})</math> | ||
- <math>(\mathbf{A}+\mathbf{B})\cdot\mathbf{C}=\mathbf{A}+\mathbf{B}\cdot\mathbf{C}</math> | - <math>(\mathbf{A}+\mathbf{B})\cdot\mathbf{C}=\mathbf{A}+\mathbf{B}\cdot\mathbf{C}</math> | ||
− | - <math>\mathbf{A}\cdot(\mathbf{B} | + | - <math>\mathbf{A}\cdot(\mathbf{B}+\mathbf{C})\neq\mathbf{A}\cdot\mathbf{B}+\mathbf{A}\cdot\mathbf{C}</math> |
{'''Solve the following multiplication:'''<br/> | {'''Solve the following multiplication:'''<br/> | ||
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{'''Solve the following multiplication:'''<br/> | {'''Solve the following multiplication:'''<br/> | ||
− | :<math> \left[\begin{array}{cc}1&3&2\end{array}\right]\left[\begin{array}{cc}2& | + | :<math> \left[\begin{array}{cc}1&2\\3&2\end{array}\right]\left[\begin{array}{cc}2&3\\1&2\end{array}\right]=</math> |
|typ="{}" } | |typ="{}" } | ||
− | { | + | { 4 _3 } { 7 _3 } <br/> { 8 _3 } { 13 _3 } |
</quiz> | </quiz> |
Latest revision as of 10:22, 25 September 2014
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