2.1微分
3<1HqU 2=UTH%1D diff函數(shù)用以演算一函數(shù)的微分項(xiàng),相關(guān)的函數(shù)語(yǔ)法有下列4個(gè):
MIMPJXT#. V }r_ diff(f) 傳回f對(duì)預(yù)設(shè)獨(dú)立變數(shù)的一次微分值
V=8{CmqT X
G@>1/ diff(f,'t') 傳回f對(duì)獨(dú)立變數(shù)t的一次微分值
v'2OHb# CH R?i1e diff(f,n) 傳回f對(duì)預(yù)設(shè)獨(dú)立變數(shù)的n次微分值
$4ZDT]n ]aMa*fF diff(f,'t',n) 傳回f對(duì)獨(dú)立變數(shù)t的n次微分值
*z;N