DEscr iptION The LM139 series consists of four independent precision voltage comparators, with an offset voltage specification as low as 2.0mV max for each comparator, which were designed specifically to operate from a single power supply over a wid
8.17 (Rational Numbers) Create a class called Rational for performing arithmetic with fractions. Write a program to test your class. Use integer variables to represent the private instance variables of the class the numerator and the denominator. Pr
tional amplifiers concerns operation from a single supply voltage. “Can the model OPAxyz be operated from a single supply?” The answer is almost always yes. Operation of op amps from single supply voltages is useful when negative supply voltages are
he Armadillo package contains pre-compiled 64 bit versions of reference LAPACK and BLAS, as well as MSVC project files to compile the example programs. The MSVC project files were tested on 64 bit Windows 7 with Visual C++ 2012. You may need to make
这里有numpy数组的相关介绍//www.jb51.net/article/130657.htm
排序
numpy与python列表内置的方法类似，也可通过sort方法进行排序。
用法如下：
In [1]: import numpy as np
In [2]: x = np.random.randn(9)
In [3]: x
Out[3]:
array([-0.4041504 , -0.42198556, 0.92807217, -2.66609196, 1.50915897,
0.
