how to round to nearest whole number

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Finds the position of the nearest number in the array with the target number (which can be a floating-point type)

0/// Welcome criticism1#include 2 3 inta[ -];4 5 intSearchintStartintEndDoubledistinction) {6 intmid;7 if(Distinction > A[end-1])8 returnEnd-1;9 if(Distinction A[start])Ten returnstart; One while(1){ AMid = (start + end)/2; - if(A[mid-1] distinction) - return((A[mid]-distinction) >= (Distinction-a[mid-1])) ? Mid-1: Mid; the if(Distinction > A[mid]) {///(A[start] + a[end])/2.0 > -Start =mid; -}Else if(Distinction A[mid]) { -End =mid; +}

"The dawn passes the number ==> machine learns the quick treasure" the model article 04--k nearest neighbor Method "KNN" (with Python code)

Catalog what is the three basic elements of the K-nearest neighbor algorithm model to construct KD tree search kd Tree python code (Sklearn Library) what K-nearest neighbor algorithm (k-nearest neighbor,knn)   Cited examplesAssuming there is a dataset, where the first 6 are training sets (with attribute values and tags), we train a KNN

The beauty of Programming: Chapter II the charm of the number 2.11 looking for the nearest point to _ programming beauty

/* Find the nearest point to: Analysis and solution: simple to difficult: first look at the situation: in a number of arrays, how to quickly find the number of n 22 difference in the minimum value? Solution 1: The total number of n in the array, we have their 22 between the difference to find out, we can draw the minim

Php obtains the nearest number in a specified range. php obtains the _ PHP Tutorial.

Php obtains the nearest number in the specified range. Php obtains the nearest number in a specified range. php obtains the instance in this article and describes how php obtains the nearest number in a specified range. Share it w

Two similar nearest number

Returns an array with N numbers and finds two numbers in the array so that the sum of the two numbers is close to 0. Http://www.cnblogs.com/haolujun/archive/2012/10/12/2721874.html This article provides several algorithms, including brute-force algorithms, that traverse every two numbers to obtain the minimum value and the complexity is n square. There is a better way to sort data first, traverse each positive number (or negative

Php method for obtaining the nearest number in a specified range

This article describes how to obtain the nearest number in a specified range in php. You can divide each interval based on the length of a given interval and find the number closest to the given number, for more information, see This article describes how to obtain the nearest

Php method for obtaining the nearest number in a specified range

This article describes how to obtain the nearest number in a specified range in php. you can divide each interval based on the length of a given interval and find the number closest to the given number, for more information about how to obtain the nearest

Php method for obtaining the nearest number in a specified range

This article describes how to obtain the nearest number in a specified range in php. you can divide each interval based on the length of a given interval and find the number closest to the given number, for more information about how to obtain the nearest

PHP gets _php tutorial for getting the nearest number within a specified range

PHP gets the closest number of methods in the specified range, and PHP gets This example describes the method by which PHP obtains the nearest number within a specified range. Share to everyone for your reference. The implementation method is as follows: Returns the next higher or lower numberfunction nextrelatednumber ($num

Php obtains the nearest number in a specified range.

Php obtains the nearest number in a specified range. This example describes how to obtain the nearest number in a specified range by php. Share it with you for your reference. The specific implementation method is as follows: // Returns the next higher or lower numberfunction NextRelatedNumber($

Find the nearest distance Geohash algorithm (add peripheral neighbor number)

=utf8"; try {class.forname ("com.mysql.jdbc.Driver");//dynamic load MySQL driver//System.out.println ("Load MySQL driver successfully"); A connection represents a database connection conn = drivermanager.getconnection (URL); Statement contains many methods, such as executeupdate can be inserted, update and delete Statement stmt = Conn.createstatement (); Double lon1=109.0145193757; Double lat1=34.236080797698; Generates

Calculate the number of K nearest to the median in an unordered array in the O (n) time.

Asked yesterday, so I immediately thought of a method. The problem is that given an unordered array, finding the nearest K number to the median requires O (n) complexity. The idea is as follows: First, we need to know that the median of unordered Arrays can be obtained within the O (n) time by using linear time selection. (1) O (n) calculates the median of unordered arrays. (2) subtract the med

Leetcode-3sum closest-three number and nearest-ordered array approximation

https://oj.leetcode.com/problems/3sum-closest/Similar to the 3sum. The difference is that we need to approximate a value this time, in fact, similar to equality, with the L and R pointers constantly moving, and then repeatedly take the smallest.classSolution { Public: intn,m; intThreesumclosest (vectorint> num,inttarget) {Vectorint> a=num; N=a.size (); Sort (A.begin (), A.end ()); intms=numeric_limitsint>:: Max (); intres=-1; for(intI=0; i){ intx=A[i]; intl=i+1, r=n-1; whi

Approximate nearest nearest neighbor Search program code ann:a Library for approximate nearest neighbor Searching_ approximate nearest neighbor

Ann:a Library for Approximate nearest neighbor searching David M. Mount and Sunil Arya Version 1.1.2 Release Date:jan-What is ANN? ANN is a library written in C + +, which supports data structures and algorithms for both exact and approximate nearest Hbor searching in arbitrarily high dimensions. In the nearest neighbor problem a set of data points in d-dimension

K Nearest Neighbor Algorithm (K-nearest neighbor,k-nn)

tree prediction is very simple, on the basis of the KD tree search nearest neighbor, we chose to the first nearest neighbor sample, put it as selected. In the second round, we ignore the selected sample, re-select the nearest neighbor, so run K, the goal of the K nearest neighbor, and then according to the majority vo

The back-end programmer's Road 12, K nearest neighbor (k-nearest NEIGHBOUR,KNN) Classification algorithm

projection method to reduce the characteristics of the classification independent of the impact on the system, and to improve the system efficiency, in fact, experimental results show that its classification effect and K nearest neighbor method is similar, but its operation time required only K nearest Neighbor method One-fiftiethIn addition to the efficiency of file classification, there are studies on ho

K-nearest Neighbors (KNN) k Nearest Neighbor algorithm

Tags: max knn k nearest Neighbor label Div return src att numberKNN algorithm is the simplest algorithm for machine learning, it can be considered as an algorithm without model, and it can be considered as the model of data set.Its principle is very simple: first calculate the predicted point and all the points of the distance, and then from small to large sorted before the K minimum distance corresponding points, statistics before k points correspond

KNN (abbreviation of k-nearest neighbor) also called nearest neighbor algorithm

nearest neighbor number, and D is the collection of training samples2:for each test sample z= (x ', y ') do3: Calculate the distance between z and each sample (x, y) ∈d D (× ', X)4: Select the set of K training samples closest to Z Zzd5:y ' =argmax∑ (xi,yi) ∈dzi (V=yi)6:end for It's a long way off. I want to see this is like me every day the code "pull the foot of the Han." Then we'll go straigh

Supervised learning _ Nearest neighbor algorithm (KNN, K-Nearest neighbor algorithm) __ algorithm

In the field of pattern recognition, the nearest neighbor Method (KNN algorithm and K-nearest neighbor algorithm ) is the method to classify the closest training samples in the feature space. The nearest neighbor method uses the vector space model to classify, the concept is the same category of cases, the similarity between each other is high, and can be calcula

K-Nearest Neighbor algorithm (K-nearest Neighbor)

=Len (testfilelist) - forIinchRange (mtest): $ " " the parsing the name of a file the the file name format used in this program is: the correct number _ number. txt the " " -Filenamestr =Testfilelist[i] inFilestr = Filenamestr.split ('.') [0] theclassnumstr = Int (Filestr.split ('_') [0]) the AboutVectorundertest = Img2vector ('testdigits/%s'% filenamestr)#Input test Data the

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