• 2022-06-14 问题

    函数中,复数的实部和虚部分别用()表示。 A: real和imag B: imag和real C: complex和imag D: conjugate和imag

    函数中,复数的实部和虚部分别用()表示。 A: real和imag B: imag和real C: complex和imag D: conjugate和imag

  • 2022-10-24 问题

    下面哪个表示取复数的虚数部分( ) A: image B: realy C: imag D: real

    下面哪个表示取复数的虚数部分( ) A: image B: realy C: imag D: real

  • 2022-06-04 问题

    MATLAB中计算复数实部的函数是() A: real B: imag C: angle D: abs

    MATLAB中计算复数实部的函数是() A: real B: imag C: angle D: abs

  • 2021-04-14 问题

    (2分)下面是Matlab中用FFT进行傅里叶变换的局部代码,请问下面哪一个N的取值是正确的: ...... y=fft(x,N); a=real(y); b=imag(y); ......

    (2分)下面是Matlab中用FFT进行傅里叶变换的局部代码,请问下面哪一个N的取值是正确的: ...... y=fft(x,N); a=real(y); b=imag(y); ......

  • 2021-04-14 问题

    表达式 print(float(complex(10+5j).imag)) 的结果是:

    表达式 print(float(complex(10+5j).imag)) 的结果是:

  • 2021-04-14 问题

    complex(2,5)生成一个复数, 其实部为2,虚部为5,可以使用imag函数求复数的实部, 函数real可以求复数的模,函数 conj 可以求复数的模, abs函数的功能是求复数的共轭复数

    complex(2,5)生成一个复数, 其实部为2,虚部为5,可以使用imag函数求复数的实部, 函数real可以求复数的模,函数 conj 可以求复数的模, abs函数的功能是求复数的共轭复数

  • 2021-04-14 问题

    【单选题】76. George Orwell, _______ was Eric Arthur, wrote many political novels and essays. A. the real name B. what his real name C. his real name D. whose real name A. the real nam e B. what his  real nam C. his real nam D. whose real nam

    【单选题】76. George Orwell, _______ was Eric Arthur, wrote many political novels and essays. A. the real name B. what his real name C. his real name D. whose real name A. the real nam e B. what his  real nam C. his real nam D. whose real nam

  • 2021-04-14 问题

    Documentaries are about the real world and real people.

    Documentaries are about the real world and real people.

  • 2022-06-07 问题

    An increase in the population and hence the supply of labor causes a A: shortage of labor at the original real wage rate and the real wage rate will fall. B: surplus of labor at the original real wage rate and the real wage rate will rise. C: surplus of labor at the original real wage rate and the real wage rate will fall. D: shortage of labor at the original real wage rate and the real wage rate will rise.

    An increase in the population and hence the supply of labor causes a A: shortage of labor at the original real wage rate and the real wage rate will fall. B: surplus of labor at the original real wage rate and the real wage rate will rise. C: surplus of labor at the original real wage rate and the real wage rate will fall. D: shortage of labor at the original real wage rate and the real wage rate will rise.

  • 2021-04-14 问题

    In the second paragraph, the word “real” in “real goods” could best be replaced by ___ .

    In the second paragraph, the word “real” in “real goods” could best be replaced by ___ .

  • 1 2 3 4 5 6 7 8 9 10