Assuming that we’ve imported NumPy with the codeimport numpy as np, we call call the NumPy square root function with the codenp.sqrt(). Then inside of the function, there is a parameter that enables you to spe
通用函数(universal function)通常叫作ufunc,它对数组中的各个元素逐一进行操作。这表明,通用函数分别处理输入数组的每个元素,生成的结果组成一个新的输出数组。输出数组的大小跟输入数组相同。一元通用函数:abs:计算绝对值sqrt:计算平方根square:计算平方exp:计算元素的值数exlog、log10、log2:计算对数ceil、floor:计算...
z=np.array([1+1j,2-2j])# 复数指数函数exp_result=np.exp(z)print("numpyarray.com - Exponential:",exp_result)# 复数对数函数log_result=np.log(z)print("numpyarray.com - Natural logarithm:",log_result)# 复数平方根sqrt_result=np.sqrt(z)print("numpyarray.com - Square root:",sqrt_resul...
numpy.arange()还可以用于创建三角函数的输入值: importnumpyasnp# 计算sin函数在0到2π范围内的值x=np.arange(0,2*np.pi,0.1)y=np.sin(x)print("numpyarray.com sin function example:")print("x:",x)print("sin(x):",y) Python Copy Output: 这个例子计算了sin函数在0到2π范围内的值。 8. n...
Numpy – Cross Product Numpy – Add a constant to all the elements of Array Numpy – Multiply a constant to all the elements of Array Python Numpy – Square Root Function – sqrt() ...
numpy.sqrt(x, args, kwargs) Return the non-negative square-root of an array, element-wise. numpy.square numpy.square(x, args, kwargs) Return the element-wise square of the input. 2.2.2三角函数 numpy.sin numpy.sin(x, args, kwargs) Trigonometric sine, element-wise. ...
# 创建两个二维数组arr1=np.arange(1,5).reshape((2,2))# [[1 2]# [3 4]]arr2=np.arange(5,9).reshape((2,2))# [[5 6]# [7 8]]# 一元函数:平方根print("Square root of Array 1\n{}".format(np.sqrt(arr1)))# Square root of Array 1# [[1. 1.41421356]# [1.73205081 2. ...
在下一节中,我们将简单地介绍不同类型的信号波,并使用numpy.fft模块计算傅立叶变换。 然后我们调用show()函数以提供它们之间的视觉比较。 信号处理 在本节中,我们将使用 NumPy 函数来模拟多个信号函数并将其转换为傅立叶变换。 我们将重点介绍numpy.fft及其相关函数。 我们希望在本节之后,您将对在 NumPy 中使用...
First we find the lengths of the number of rows and columns in the array. Using thelen()function on the array will only return number of rows. However, finding thelen()of a row will return the number of elements in it, also known as the number of columns. ...
Function Description abs, fabs Compute the absolute value element-wise for integer, floating-point, or complex values sqrt Compute the square root of each element (equivalent to arr ** 0.5) square Compute the square of each element (equivalent to arr ** 2) ...