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Tema Lisp - Dpto. Ciencias de la Computación e Inteligencia Artificial.

Tema Lisp - Dpto. Ciencias de la Computación e Inteligencia Artificial.

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Matrices<br />

1<br />

1<br />

Acceso:<br />

(AREF MATRIZ INDICE-1 ... INDICE-N)<br />

> *matriz*<br />

#2A((A B C) (1 2 3) (X Y Z))<br />

> (aref *matriz* 0 0)<br />

A<br />

> (aref *matriz* 1 1)<br />

2<br />

> (aref *matriz* 2 2)<br />

Z<br />

Modificación:<br />

(SETF (AREF MATRIZ INDICE-1 ... INDICE-N) EXPRESION)<br />

> *matriz-2*<br />

#2A((1 2 3) (8 H 4) (7 6 5))<br />

> (setf (aref *matriz-2* 1 2) ’h)<br />

H<br />

> (setf (aref *matriz-2* 1 1) 4)<br />

4<br />

> *matriz-2*<br />

#2A((A B C) (1 4 H) (X Y Z))<br />

IA-I 2003–2004 CcIa Introducción a <strong>Lisp</strong> <strong>Lisp</strong>.37

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