A good example matrix, usedthroughout this book, appearsin the Renaissance engravingMelancholia I by the Germanartist and amateurmathematician Albrecht D?This image is filled withmathematical symbolism, and ifyou look carefully, you will see amatrix in the upper rightcorner. This matrix is known asa magic square and wasbelieved by many in D?time to have genuinely magicalproperties. It does turn out tohave some fascinatingcharacteristics worth exploring. + Y% W" a+ @+ t0 L" ~ . R$ J" o' G& s2 b2 k& M; Q 9 T( c9 m Q* ? G0 N - F% x- }4 N. v$ W& B; m3 d5 t
color] v- u; F0 |( W/ e* N! ?. X ' Q: F/ x5 v( N' U% h" e 0 k$ ?8 T4 n* o7 { 0 S* a0 W: Z. h; ]6 y" `* W% F
过时???我晕!你懂什么?. ^9 N' |/ ?5 `1 Q" G: b' e1 ^: ]
c之类是最经典的!3 n' O0 [' Z8 y+ k- h, ?1 m; j
语言啊???. T0 v5 t7 s. L4 x+ D$ m
汇编也很有用啊!" N9 _9 A6 K- i; l' o. b
你不学这种学什么啊?现在的只是在这基础上发展起来的啊!现在的一般只能配叫软件!! / m8 Z' j! M) \* i% X9 V: e