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Published: 23/10/2019Welcome! I am working on algorithm that determines current azimuth and altitude of the sun, at given place,date and time. I need it for my automatic dualaxis solar power calibration project. I'm usin ... Read moreSource: stackoverflow.com


Published: 23/10/2019As you can see my code, im trying to implement the metropolis algorithm to endgoal get the harmonic oscillator (see the formula for the action). I was told, that it might bring better outcome, if il ... Read moreSource: stackoverflow.com

Published: 23/10/2019UPDATE: My terminology below is wrong. The "forward" algorithm I describe in "Lerp2D" (which I need inverseof) takes 4 arbitrary corners. It is linear along each edge, but all 4 edges can independent ... Read moreSource: stackoverflow.com

Published: 23/10/2019I want to prove why Laplace determinant or recursive algorithm complexity is n! . Can anyone proof it for me cause the equation is T(n)=nT(n1)+3n1 considering mults and pluses and I dont know how it ... Read moreSource: stackoverflow.com

Published: 23/10/2019Let's say I have some items, every item has a sequence  lesser sequences means items are above. An item can have a dependency/dependencies on other items. Also, an item can have dependables  i.e. so ... Read moreSource: stackoverflow.com

Published: 23/10/2019I have such a binary search to find square root of a positive integer In [95]: find_square_root?? Signature: find_square_root(x) Docstring: <no docstring> Source: def find_square_root(x): if x & ... Read moreSource: stackoverflow.com

Published: 23/10/2019Rete Algorithm is an efficient pattern matching algorithm that compares a large collection of patterns to a large collection of objects. It is also used in one of the expert system shell that I am exp ... Read moreSource: stackoverflow.com

Published: 23/10/2019Stable sort algorithms are slower than unstable sorts. As an example golang uses O(n*log(n)*log(n)) calls to swap elements. If our goal is to preserve the original order of the elements, why not just ... Read moreSource: stackoverflow.com

Published: 23/10/2019I am trying to build an R script that automatically calculates the best possible line up for all team in my fantasy football league once the week is over. Therefore I need an alorithm that fills every ... Read moreSource: stackoverflow.com

Published: 23/10/2019I was reading the Binary Search Template II in leetcode : It is used to search for an element or condition which requires accessing the current index and its immediate right neighbor's index in the ar ... Read moreSource: stackoverflow.com

Published: 23/10/2019I am new to C++ and attempting to create a single linked list data structure holding integer values. I am having issues with the insert method, it seems like that the head reference I am passing to th ... Read moreSource: stackoverflow.com

Published: 23/10/2019I have to solve this: A school has 100 lockers and 100 students. Student 1 opens all lockers. Student 2 toggles every 2nd locker starting from the first. Student 3 toggles every 3rd locker, starting f ... Read moreSource: stackoverflow.com

Published: 23/10/2019I wrote the function, but the teacher told me that in the 3rd parameters of the std::count_if function it is necessary to pass the lambda to find out if the letter is vowel . I can not figure out how ... Read moreSource: stackoverflow.com

Published: 23/10/2019Suppose I have several sorted lists of positive numbers, like so for example: double[] a1 = new double[]{0.70, 0.20, 0.10}; double[] a2 = new double[]{0.80, 0.10, 0.05, 0.05}; double[] a3 = new double ... Read moreSource: stackoverflow.com

Published: 23/10/2019Given a tree ( n nodes and n1 edges ) and m nodes: p[i] (p[i]<=n, 1<=i<=m ), the question is to count the total number of nodes that can be reached by all p[i] (1<=i<=m) with the dista ... Read moreSource: stackoverflow.com

Published: 23/10/2019The problem is: Given a string containing just the characters '(' and ')', find the length of the longest valid (wellformed) parentheses substring Some examples are: Input: "(()", output: 2 Input: ") ... Read moreSource: stackoverflow.com

Published: 23/10/2019Let L and R represent two positive integers, then we are required to find all the numbers in [L, R], i.e. L and R inclusive, that have 101 in their binary representation. For example, let L = 3 and R ... Read moreSource: stackoverflow.com

Published: 23/10/2019Where can I find information about selfadapting user profiles? Has research been done about learning systems to automatically update the user profile, based on previous actions and/or interactions of ... Read moreSource: stackoverflow.com

Published: 23/10/2019I came across a classic Kruskals problem, where given an undirected graph and set of weights between edges, I was asked to find the minimum cost required to connect the edges. I wasnt too familiar wit ... Read moreSource: stackoverflow.com

Published: 23/10/2019I have a DateRange Model which is in the following: public class DateRange { public DateTime start { get; set; } public DateTime end { get; set; } public int weight { get; set; } } Here is the List: [ ... Read moreSource: stackoverflow.com

Published: 22/10/2019I want to score the accuracy of the prediction of the model. But i am receiving an error that "name 'train' is not defined". Below is the code: import pandas as pd from sklearn.tree import DecisionTre ... Read moreSource: stackoverflow.com
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