| Dimensionality | 
                        
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                            Assume there are k vectors  | 
                        
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                            What is their dimensionality? | 
                        
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                            Vectors  are linearly independent iff the linear combination  only when  | 
                        
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                            The span of a set of vectors is the vector space generated by their linear combinations | 
                        
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                            A basis of a vector space  is a set of vectors that are linearly independent and that spans  |