Construct New Array Using Index Array with Wrap Mode in NumPy

AmitDiwan
Updated on 08-Feb-2022 10:37:19

189 Views

A new array from the set of choices is constructed using the np.ma.choose() method. The mode parameter is set to 'wrap'. If mode='wrap', values greater than n-1 are mapped to n-1; and then the new array is constructed.Given an array of integers and a list of n choice arrays, this method will create a new array that merges each of the choice arrays. Where a value in index is i, the new array will have the value that choices[i] contains in the same place.The choices parameter is the choice arrays. The index array and all of the choices should be ... Read More

Force the Mask to Harden in NumPy

AmitDiwan
Updated on 08-Feb-2022 10:33:46

138 Views

To force the mask to hard, use the ma.MaskedArray.harden_mask() method. Whether the mask of a masked array is hard or soft is determined by its hardmask property. The harden_mask() sets hardmask to True. A masked array is the combination of a standard numpy.ndarray and a mask. A mask is either nomask, indicating that no value of the associated array is invalid, or an array of booleans that determines for each element of the associated array whether the value is valid or not.NumPy offers comprehensive mathematical functions, random number generators, linear algebra routines, Fourier transforms, and more. It supports a wide ... Read More

Return the Length of the Masked Array in NumPy

AmitDiwan
Updated on 08-Feb-2022 10:31:21

489 Views

To return the length of the masked array, use the ma.MaskedArray.__len__() method in Python Numpy. A masked array is the combination of a standard numpy.ndarray and a mask. A mask is either nomask, indicating that no value of the associated array is invalid, or an array of booleans that determines for each element of the associated array whether the value is valid or not.NumPy offers comprehensive mathematical functions, random number generators, linear algebra routines, Fourier transforms, and more. It supports a wide range of hardware and computing platforms, and plays well with distributed, GPU, and sparse array libraries.StepsAt first, import ... Read More

Determine Colors Using Selenium

Debomita Bhattacharjee
Updated on 08-Feb-2022 10:30:22

1K+ Views

Selenium has the color conversion support class. We have to add the statement from selenium.webdriver.support.color import Color to convert colors to rgba/hex format.Examplefrom selenium import webdriver from selenium.webdriver.support.color import Color #color conversion to rgba format print(Color.from_string('#00fe37').rgba) #color conversion to hex format print(Color.from_string('rgb(1, 200, 5)').hex) #color conversion to rgba format print(Color.from_string('green').rgba)Output

Return a New Array When Dtype Differs in NumPy

AmitDiwan
Updated on 08-Feb-2022 10:26:20

127 Views

To return a new array when dtype is different from the current dtype, use the ma.MaskedArray.__array__(dtype) method in Python Numpy. We have set the dtype parameter to be float. A masked array is the combination of a standard numpy.ndarray and a mask. A mask is either nomask, indicating that no value of the associated array is invalid, or an array of booleans that determines for each element of the associated array whether the value is valid or not.NumPy offers comprehensive mathematical functions, random number generators, linear algebra routines, Fourier transforms, and more. It supports a wide range of hardware and ... Read More

Return Truth Value of Array Greater Than or Equal to Another Element-wise in NumPy

AmitDiwan
Updated on 08-Feb-2022 10:24:43

411 Views

To return the truth value of an array greater than equal to another element-wise, use the numpy.greater_equal() method in Python Numpy. Return value is either True or False. Returns an output array, element-wise comparison of x1 and x2. Typically, of type bool, unless dtype=object is passed. This is a scalar if both x1 and x2 are scalars.The out is a location into which the result is stored. If provided, it must have a shape that the inputs broadcast to. If not provided or None, a freshly-allocated array is returned. A tuple (possible only as a keyword argument) must have length ... Read More

Return Truth Value of Array Greater Than Another Element-wise in NumPy

AmitDiwan
Updated on 08-Feb-2022 10:22:08

1K+ Views

To return the truth value of an array greater than another element-wise, use the numpy.greater() method in Python Numpy. Return value is either True or False. Returns an output array, elementwise comparison of x1 and x2. Typically of type bool, unless dtype=object is passed. This is a scalar if both x1 and x2 are scalars.The out is a location into which the result is stored. If provided, it must have a shape that the inputs broadcast to. If not provided or None, a freshly-allocated array is returned. A tuple (possible only as a keyword argument) must have length equal to ... Read More

Return Greatest Common Divisor and Lowest Common Multiple in NumPy

AmitDiwan
Updated on 08-Feb-2022 10:18:36

501 Views

To return the greatest common divisor, use the numpy.gcd() method in Python Numpy. The parameters are arrays of values. If x1.shape != x2.shape, they must be broadcastable to a common shape (which becomes the shape of the output).To return the lowest common multiple, use the numpy.lcm() method in Python Numpy. The greatest common divisor of the absolute value of the inputs This is a scalar if both x1 and x2 are scalars.StepsAt first, import the required library −import numpy as npTo return the greatest common divisor, use the numpy.gcd() method in Python Numpy. The parameters are arrays of values. If ... Read More

Reduce Multi-Dimensional Array and Add Elements Along Axis 0 in NumPy

AmitDiwan
Updated on 08-Feb-2022 10:13:41

176 Views

To reduce a multi-dimensional array, use the np.ufunc.reduce() method in Python Numpy. Here, we have used add.reduce() to reduce it to the addition of elements. The axis 0 is set using the "axis" parameter.The numpy.ufunc has functions that operate element by element on whole arrays. The ufuncs are written in C (for speed) and linked into Python with NumPy's ufunc facility. A universal function (or ufunc for short) is a function that operates on ndarrays in an element-by-element fashion, supporting array broadcasting, type casting, and several other standard features. That is, a ufunc is a "vectorized" wrapper for a function ... Read More

Reduce Multi-Dimensional Array and Add Elements Along Specific Axis in NumPy

AmitDiwan
Updated on 08-Feb-2022 10:11:05

275 Views

To reduce a multi-dimensional array, use the np.ufunc.reduce() method in Python Numpy. Here, we have used add.reduce() to reduce it to the addition of elements. The axis is set using the "axis" parameter.A universal function (ufunc) is a function that operates on ndarrays in an element-by-element fashion, supporting array broadcasting, type casting, and several other standard features. That is, a ufunc is a “vectorized” wrapper for a function that takes a fixed number of specific inputs and produces a fixed number of specific outputs. The numpy.ufunc has functions that operate element by element on whole arrays. The ufuncs are written ... Read More

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