$u={\sum}_{i=1}^{n}{c}_{i}{v}_{i}$.

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- Description: write a vector under another basis. serveur web interactif avec des cours en ligne, des exercices interactifs en sciences et langues pour l'enseigment primaire, secondaire et universitaire, des calculatrices et traceurs en ligne
- Keywords: math, interactif, exercice,qcm,cours,classe,biologie,chimie,langue,interactive mathematics, interactive math, server side interactivity,exercise,qcm,class, algebra, linear_algebra, vector_space, vectors, basis, basis_change