[問題] 矩陣取代元素問題
f1 = Table[,{i,1,10,1},{i,1,10,1}] ;
Do[
Do[
Q = Replace[f1,i,{i,j}]
,{i,1,10,1}
]
,{j,1,10,1}
]
可是Q跑出來都顯示 Null...
為什麼會這樣@@?...
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