C# find nearest value in list
WebJul 14, 2024 · Given a List <double>WebJul 14, 2024 · private int FindClosestPoint (double val, List list) { int ret = new int (); int max = list.Count; int min = 0; int index = max / 2; while (max - min > 1) { if (val list [index]) min = index; else return index; index = (max - min) / 2 + min; } if (max != list.Count && min != 0) { if (Math.Abs (list [max] - val) < Math.Abs (list [min] - val)) ret …
C# find nearest value in list
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</double>Webint closestColor1(List colors, Color target) { var hue1 = target.GetHue(); var diffs = colors.Select(n => getHueDistance(n.GetHue(), hue1)); var diffMin = diffs.Min(n => n); return diffs.ToList().FindIndex(n => n == diffMin); } // closed match in RGB space int closestColor2(List colors, Color target) {
WebJan 19, 2024 · Without LINQ, you can use a for loop to iterate through the list and keep track of the closest number. You can initialize a variable to store the closest number … WebSep 25, 2014 · I've a list like this: public List> blanks { get; set; } This keep some index values: In addition I have also a variable named X. X can take any value. I want to find closest and smaller 'Key' value to X. I can take only closest value via this code block. But, it can't take smaller one.
WebOct 14, 2015 · It's better than using OrderBy because it runs in O (n) instead of O (n log n). EDIT: if two numbers are equally close to the target and you want the greater of the two, you can do this: public static float ClosestTo (this IEnumerable collection, float target) { return collection .OrderBy (x => Math.Abs (target - x)) .ThenByDescending (x ...
WebYou can find the indices with: int leftIndex = (-Collections.binarySearch (allItems, key) - 2); int rightIndex = (-Collections.binarySearch (allItems, key) - 1); The item in the list will need to implement Comparable . Simple types like String and Integer already implement this.
WebMay 22, 2024 · finding closest value in an array. int [] array = new int [5] {5,7,8,15,20}; int TargetNumber = 13; For a target number, I want to find the closest number in an array. … powerball 4 november 2022WebJun 10, 2011 · How to get the list index where you can find the closest number? List list = new List { 2, 5, 7, 10 }; int number = 9; int closest = list.Aggregate ( (x,y) => Math.Abs (x-number) < Math.Abs (y-number) ? x : y); c# .net linq Share Follow edited Jun 10, 2011 at 6:55 Peter Mortensen 31k 21 105 126 asked May 10, 2011 at 22:00 andres towers concreteWebOct 28, 2016 · Put the values in an list of objects (where each object has a property ID and a value) or a dictionary with string ID and decimal value Loop through the list or dictionary and find the minimum value If the … towers condominium dcWebJan 19, 2024 · with linq i found this solution. List list = new List { 4, 2, 10, 7 }; int number = 5; // find closest to number int closest = list.OrderBy (item => Math.Abs (number - item)).First (); how to achieve the same output without LINQ? Thanks C# 0 Sign in to follow I have the same question 0 Sign in to comment Accepted answer Dimple Rane 881 towers computerWebJan 28, 2014 · Kd-tree is really overkill here, all you need to do is sort the array and use binary search to find the closest value in the sorted array. I wrote an answer a while back about how to use searchsorted to find the closet value to a target in an array. You can use the same idea here: towers construction yorkshire limitedWebDec 22, 2016 · It's your nearest value and you could do with it what you want. For example calculate nearest-check int [] testArray = new int [3] { 5, 7, 8 }; int check = 22; var nearest = testArray.OrderBy (x => Math.Abs (x - check)).First (); Debug.Print (Convert.ToString (nearest-check)); Share Improve this answer Follow answered Dec 22, 2016 at 7:42 towers construction groupWebNov 2, 2012 · The part of the code I am unsure of is the while loop for finding the nearest key -- but any assistance with optimizing the code would be appreciated. // TODO: Move to snippets lib or create a new collection type that supports this feature private string _getTrait (SortedList thisList, decimal thisValue) { // Check to see if we ... powerball 4 oct 2021