newmat

newmat(row,col [,[[a,b,...],[c,d,...],...]])

:: row ¹Ô col Îó¤Î¹ÔÎó¤òÀ¸À®¤¹¤ë.

return

¹ÔÎó

row,col

¼«Á³¿ô

a,b,c,d

Ǥ°Õ

• row ¹Ô col Îó¤Î¹ÔÎó¤òÀ¸À®¤¹¤ë. Âè 3 °ú¿ô¤¬¤Ê¤¤¾ì¹ç, ³ÆÀ®Ê¬¤Ï 0 ¤Ë½é´ü²½¤µ¤ì¤ë. Âè 3 °ú¿ô¤¬¤¢¤ë¾ì¹ç, ¥¤¥ó¥Ç¥Ã¥¯¥¹¤Î¾®¤µ¤¤À®Ê¬¤«¤é, ³Æ¹Ô¤¬, ¥ê¥¹¥È¤Î ³ÆÍ×ÁÇ (¤³¤ì¤Ï¤Þ¤¿¥ê¥¹¥È¤Ç¤¢¤ë) ¤Ë¤è¤ê½é´ü²½¤µ¤ì¤ë. ³ÆÍ×ÁǤÏ, ÀèƬ¤«¤é½ç¤Ë »È¤ï¤ì, ­¤ê¤Ê¤¤Ê¬¤Ï 0 ¤¬Ëä¤á¤é¤ì¤ë.
• ¹ÔÎó¤Î¥µ¥¤¥º¤Ï size() ¤ÇÆÀ¤é¤ì¤ë.
• M ¤¬¹ÔÎó¤Î¤È¤­, M[I] ¤Ë¤è¤êÂè I ¹Ô¤ò¥Ù¥¯¥È¥ë¤È¤·¤Æ ¼è¤ê½Ð¤¹¤³¤È¤¬¤Ç¤­¤ë. ¤³¤Î¥Ù¥¯¥È¥ë¤Ï, ¤â¤È¤Î¹ÔÎó¤ÈÀ®Ê¬¤ò¶¦Í­¤·¤Æ¤ª¤ê, ¤¤¤º¤ì¤«¤ÎÀ®Ê¬¤ò½ñ¤­´¹¤¨¤ì¤Ð, ¾¤ÎÂбþ¤¹¤ëÀ®Ê¬¤â½ñ¤­´¹¤ï¤ë¤³¤È¤Ë¤Ê¤ë.
• È¡¿ô¤Î°ú¿ô¤È¤·¤Æ¹ÔÎó¤òÅϤ·¤¿¾ì¹ç, ÅϤµ¤ì¤¿È¡¿ô¤Ï, ¤½¤Î¹ÔÎó¤ÎÀ®Ê¬ ¤ò½ñ¤­´¹¤¨¤ë¤³¤È¤¬¤Ç¤­¤ë.

[0] A = newmat(3,3,[[1,1,1],[x,y],[x^2]]);
[ 1 1 1 ]
[ x y 0 ]
[ x^2 0 0 ]
[1] det(A);
-y*x^2
[2] size(A);
[3,3]
[3] A[1];
[ x y 0 ]
[4] A[1][3];
getarray : Out of range
return to toplevel

»²¾È

section newvect, section size, section det,invmat.

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