11.08.2013 Views

Slika - Shrani.si

Slika - Shrani.si

Slika - Shrani.si

SHOW MORE
SHOW LESS

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

A. Juriˇ<strong>si</strong>ć in V. Batagelj: Verjetnostni račun in statistika 248<br />

✬<br />

✫<br />

Karakteristična funkcija<br />

Naj bo Z kompleksna slučajna spremenljivka, tj. Z = X + iY<br />

za slučajni spremenljivki X in Y .<br />

Njeno upanje izračunamo z<br />

disperzijo pa z<br />

E(Z) = E(X) + iE(Y ),<br />

D(Z) = E(|Z − E(Z)| 2 ) = D(X) + D(Y ),<br />

Kompleksna funkcija realne slučajne spremenljivke je<br />

kompleksna slučajna spremenljivka, npr. e iX .<br />

Univerza v Ljubljani ▲<br />

❙ ▲<br />

▲<br />

▲<br />

● ❙ ▲<br />

▲<br />

☛ ✖<br />

✩<br />

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!