求积公式(int )_(0)^2f(x)dxapprox dfrac (1)(3)f(0)+dfrac (4)(3)f(1)+dfrac (1)(3)f(2)的代数精确度为( )。

求积公式的代数精确度为( )。

A. 1
B. 2
C. 3
D. 4

参考答案与解析:

相关试题

数值求积公式(int )_(-1)^1f(x)dxapprox dfrac (2)(3)[ f(-dfrac (1)(sqrt {2)})+f(0)+f(dfrac (1)(sqrt {2)})] 的

数值求积公式(int )_(-1)^1f(x)dxapprox dfrac (2)(3)[ f(-dfrac (1)(sqrt {2)})+f(0)+f(dfr

  • 查看答案
  • _(1)-(F)_(2)-|||-C. dfrac (2)(3)(F)_(1)+dfrac (1)(3)(F)_(2)-|||-D. dfrac (2)(3)(F)_(1)-dfrac (1)(3)(

    _(1)-(F)_(2)-|||-C. dfrac (2)(3)(F)_(1)+dfrac (1)(3)(F)_(2)-|||-D. dfrac (2)(3)(

  • 查看答案
  • 16、设 (int )_(0)^xf(t)dt=dfrac (1)(2)f(x)-dfrac (1)(2), 其中f(x)为连续函数,则 f(x)=()-|||-(A) ^dfrac (x{2)} (

    16、设 (int )_(0)^xf(t)dt=dfrac (1)(2)f(x)-dfrac (1)(2), 其中f(x)为连续函数,则 f(x)=()-|||

  • 查看答案
  • ①,设f(x)是以2为周期的可导函数,且 lim _(xarrow 1)dfrac (f(2x-1)-2f(3-2x))(ln x)=3 则-|||-lim _(xarrow 1)dfrac (f(2

    ①,设f(x)是以2为周期的可导函数,且 lim _(xarrow 1)dfrac (f(2x-1)-2f(3-2x))(ln x)=3 则-|||-lim _

  • 查看答案
  • 已知 lim _(xarrow 0)([ 1+x+dfrac {f(x))(x)] }^dfrac (1{x)}=(e)^3, 则 lim _(xarrow 0)dfrac (f(x))({x)^2}

    已知 lim _(xarrow 0)([ 1+x+dfrac {f(x))(x)] }^dfrac (1{x)}=(e)^3, 则 lim _(xarrow 0

  • 查看答案
  • f(x)= ({e)^4-dfrac (1)(3))-|||-dfrac (1)(2)(e)^4-|||-dfrac (1)(2)((e)^2-dfrac (1)(3))-|||-dfrac (1

    f(x)= ({e)^4-dfrac (1)(3))-|||-dfrac (1)(2)(e)^4-|||-dfrac (1)(2)((e)^2-dfrac

  • 查看答案
  • 设函数f(x)满足lim _(harrow 0)dfrac (1)(h)[ f(5-dfrac (1)(3)h)-f(5)] =2,则lim _(harrow 0)dfrac (1)(h)[ f(5-

    设函数f(x)满足lim _(harrow 0)dfrac (1)(h)[ f(5-dfrac (1)(3)h)-f(5)] =2,则lim _(harrow

  • 查看答案
  • 设f(x)为连续函数,则(int )_(0)^1f'(dfrac (x)(2))dx等于( ).(int )_(0)^1f'(dfrac (x)(2))dx

    设f(x)为连续函数,则(int )_(0)^1f(dfrac (x)(2))dx等于( ).(int )_(0)^1f(dfrac (x)(2))dx设f(x

  • 查看答案
  • 11.已知 f(0)=0 f'(0)=2 ,则 lim _(narrow infty )([ f(dfrac {1)({n)^2})-dfrac (1)({n)^2}+1] }^3(n^2)=

    11.已知 f(0)=0 f(0)=2 ,则 lim _(narrow infty )([ f(dfrac {1)({n)^2})-dfrac (1)({n)^

  • 查看答案
  • [题目]已知f((x)在 x=0 处可导,且 (0)=0, 则-|||-lim _(xarrow 0)dfrac ({x)^2f(x)-2f((x)^3)}({x)^3}=() ()-|||-

    [题目]已知f((x)在 x=0 处可导,且 (0)=0, 则-|||-lim _(xarrow 0)dfrac ({x)^2f(x)-2f((x)^3)}({

  • 查看答案