9f7aabf5-7ec9-4b34-939d-6d1bc73f5c353c1dd9c3-d9a6-4bdb-adfc-aec1905f49e81.7.8[{"lang":"es","name":"Base ortogonal y base ortonormal"},{"lang":"en","name":"Orthogonal basis and orthonormal basis"},{"lang":"ca","name":"Base ortogonal i base ortonormal"}]718/7/16 11:4318/7/16 11:43