Appendices

  • Hubert Gatignon
Chapter

Abstract

$$ \frac{\partial \mathbf{a}\hbox{'}\mathbf{v}}{\partial \mathbf{v}}=\mathbf{a} $$
$$ \frac{\partial \mathbf{v}\hbox{'}\mathbf{Av}}{\partial \mathbf{v}}=\left(\mathbf{A}+\mathbf{A}\hbox{'}\right)\mathbf{v} $$

Keywords

Marketing Product Line 

Copyright information

© Springer Science+Business Media New York 2014

Authors and Affiliations

  • Hubert Gatignon
    • 1
  1. 1.INSEADFontainebleau CedexFrance

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