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Transformari liniare

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No¸tiunea de transformare liniară<br />

Transformări <strong>liniare</strong> între spa¸tii finit dimensionale<br />

Valori ¸si vectori proprii<br />

Consecin¸te<br />

Matricea unei transformări<br />

Rela¸tia dintre rang ¸si defect<br />

Schimbarea matricei unei transformări <strong>liniare</strong><br />

1. Tranformarea identic nulă, f : V → W , f (u) = 0W , are<br />

matricea Om,n<br />

2. Transformarea identică f : V → V , f (u) = u are matricea<br />

A = In.<br />

3. Dacă f , g ∈ L(V , W ) au matricele A, B ∈ Mm,n(Γ) atunci<br />

f + g are matricea A + B ∈ Mm,n(Γ).<br />

4. Dacă α ∈ Γ, f ∈∈ L(V , W ), iar f are matricea A ∈ Mm,n(Γ),<br />

atunci transformarea α · f are matricea α · A ∈ Mm,n(Γ).<br />

Transformări <strong>liniare</strong>

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