Difference between revisions of "Selftest: Simple arithmetic operations"
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− | {{ExerciseNavigation|previous=[[Selftest:Unit vector|Unit vector]]| | + | {{ExerciseNavigation|previous=[[Selftest: Unit vector|Unit vector]]|chapter=[[Vector algebra]]|article=[[Simple arithmetic operations]]|next=[[Selftest: Dot product|Dot product]]}} |
− | <quiz> | + | <quiz display=simple> |
{'''Which of the following vectors forms the sum of <math>\vec{\mathbf{a}}</math> and <math>\vec{\mathbf{b}}</math>?''' | {'''Which of the following vectors forms the sum of <math>\vec{\mathbf{a}}</math> and <math>\vec{\mathbf{b}}</math>?''' | ||
[[File:Vektorrechnung_Aufgabe6.1.png|200px|left]] | [[File:Vektorrechnung_Aufgabe6.1.png|200px|left]] | ||
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- For the calculation of the difference vector <math>\vec{\mathbf{a}}-\vec{\mathbf{b}}</math> first the vector <math>-\vec{\mathbf{b}}</math> is formed by inverting the direction of <math>\vec{\mathbf{a}}</math>. | - For the calculation of the difference vector <math>\vec{\mathbf{a}}-\vec{\mathbf{b}}</math> first the vector <math>-\vec{\mathbf{b}}</math> is formed by inverting the direction of <math>\vec{\mathbf{a}}</math>. | ||
+ For the calculation of the difference vector <math>\vec{\mathbf{a}}-\vec{\mathbf{b}}</math> first the vector <math>-\vec{\mathbf{b}}</math> is formed by inverting the direction of <math>\vec{\mathbf{b}}</math>. | + For the calculation of the difference vector <math>\vec{\mathbf{a}}-\vec{\mathbf{b}}</math> first the vector <math>-\vec{\mathbf{b}}</math> is formed by inverting the direction of <math>\vec{\mathbf{b}}</math>. | ||
− | ||The substraction of vectors can be traced back to vector addition because <math>\vec{\mathbf{a}}-\vec{\mathbf{b}}=\vec{\mathbf{a}}+(-\vec{\mathbf{b}})</math>. Further information: see [[Simple arithmetic operations]] | + | ||The substraction of vectors can be traced back to vector addition because <math>\vec{\mathbf{a}}-\vec{\mathbf{b}}=\vec{\mathbf{a}}+(-\vec{\mathbf{b}})</math>. Further information: see [[Simple arithmetic operations]] [[File:Vectoralgebra_addition_substraction.png|300px|left|Vector substraction]] |
− | [[File:Vectoralgebra_addition_substraction.png|300px|left|Vector substraction]] | ||
Latest revision as of 10:57, 30 November 2014
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