School:李煌數學研究院/微積分之研究

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  • 李煌-導數公式f(x)=limh0f(x+ah)f(x+bh)(ab)h

滿足:x,a,b(F)(h),ab0,Fconstantfuctionruler

  • 李煌-導數公式f(x)=limh0af(x+h)+bf(xh)(a+b)f(x)(ab)h

滿足:x,a,b(F)(h),ab,Fconstantfuctionruler

  • 李煌-導數公式f(x)=limh0af(x+h)af(xh)+bf(xch)bf(x)(2abc)h

滿足:x,a,b,c(F)(h),2abc0,Fconstantfuctionruler

李煌-三阶導數公式f(x)=limh06f(x+h)6f(x)6hf(x)3h2f(x)h3,x(F)(h)

李煌-三阶導數公式f(x)=limh03f(x+h)3f(xh)6hf(x)h3,x(F)(h)

  • 李煌二阶導數公式f(x)=limh02af(x+h)2af(xh)+2bf(xch)2bf(x)bc2h2

滿足:x,a,b,c(F)(h),2a=bc,b,c0,Fconstantfuctionruler

  • 李煌三阶導數公式f(x)=limh06(a+d)f(x+h)6(a+d)f(xh)+6cf(xkh)6cf(x)+6bf(xgh)6bf(x)(2(a+d)ck3bg3)h3

滿足:x,a,b,c,d,g,k(F)(h),2a=ck,2d=bg,ck2+bg2=0,2(a+d)ck3bg30,Fconstantfuctionruler

來源

  • 《計算機算法基礎》.李煌 著

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