Difference between revisions of "Selftest: Simple arithmetic operations"
From Robotics
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− | {''' | + | {'''Which statement is true?'''} |
− | ''( | + | ''(multiple answers possible)'' |
− | - | + | - For the calculation of the difference vector <math>\vec{\mathbf{a}}-\vec{\mathbf{b}}</math> first the vector <math>-\vec{\mathbf{a}}</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>. |
− | ||[[ | + | ||[[File:Vectoralgebra_addition_substraction.png|300px|left|Vector substraction]] 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]] |
Revision as of 16:07, 23 May 2014
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