How to split an array using its minimum entry Question: I am trying to split a dataset into two separate ones by finding its minimum point in the first column. I have used idxmin to firstly identify the location of the minimum entry and secondly iloc to slice the array from 0 to the minimum …
TypeError: 'numpy.complex128' object is not iterable np.arrays basic question does not make sense Question: I have problem with something very basic but I am already one hour trying to find out what’s wrong and can’t not, so I am here asking for help. I have an array _ which is equal to: array([-0.44723986+0.j , -0.95965416+0.j …
How to find the indices of the maximum values of the fifth column? Question: I have array A as: A = [[0.0, 1.0, 3.0, -1.0, -1008.0], [0.0, 1.0, 3.0, -1.0, -1008.0], [0.0, 1.0, 3.0, 1.0, -1328.0], [0.0, 1.0, 3.0, 1.0, -1328.0], [0.0, 1.0, 3.0, -1.0, -1328.0], [0.0, 1.0, 3.0, -1.0, -1328.0], [0.0, 1.0, 3.0, -1.0, …
why numpy.in1d() works more faster in my example but my object? Question: The 2 tables I have to deal with in my object like this: TABLE1: code_material yield 1000100001 1000 1000100002 500 1000100003 1024 where code_material is a ten-digit number whose value does not exceed 4e+9 TABLE2: code_material_manufacturing input/output code_material qty 1000100001 1000154210 IN 100 …
How can I sort a JSON array by a key inside of it? Question: I have an unknown number of items and item categories in a json array like so: [ { "x_name": "Some Name", "x_desc": "Some Description", "id": 1, "category": "Email" }, { "x_name": "Another name here", "x_desc": "Another description", "id": 2, "category": "Email" …
Using an array without the last element is simple in Python, `array[:-1]`. How would index splicing of this sort work in C? Question: In Python, if I have a list A, if I wanted to use that list without including the last element in the list, I could just use array[:-1]. How would I get …
How to add a dimension to an array and fill up the new dimension with a set of same data Question: I have two 1D-arrays. I need to expand the first array (a) with all lines from the second array (b) to create a new array that is a 1D-array merging the two arrays. Example …
How to compute one mean dataset of 4 datasets [Python, xarray] Question: I’m having 4 [GFS] temperature datasets: they are all the same in spatial resolution, the only difference is timestamp – they are for 00 UTC, 06 UTC, 12 UTC, 18 UTC within one day. I need to compute the mean daily temperature dataset. …
Python find all non-repeat combinations and get both the values they have in common and their unique values Question: I have an array of sets [setA, setB, setC, setD, …, setX] and I want to find a way to get the intersection of each combination (without repeat combos), so: AB = setA.intersect(setB) AC = setA.intersect(setC) …
non-iteratively turning a 2d numpy array into a 1d array, via an AND operation Question: i have a 2d numpy array of boolean values of shape(1E5, 2), with it acting like an array of x,y values. ie, 1E5 items each with 2 boolean values, being stored in that initial 2d array example: [ [True, False], …
