distance
How to calculate Euclidean length of a matrix without loops?
It seems like the answer to this should be simple, but I am stumped.I have a matrix of Nx3 matrix where there 1st 2nd and 3rd columns are the X Yand Z coordinates of the nth item.I want to calculate t[详细]
2023-02-17 23:55 分类：问答Finding a distance between two places using internet map services in Java or C#/.NET
I need to calculate a distance between two places (specified by name of the city, country and postal code) from Java or .NET application using internet maps services such as Google maps or Viamichelin[详细]
2023-02-17 10:33 分类：问答Measuring distance with iPhone camera
How to implement a way to measure distances in real time (video ca开发者_运维技巧mera?) on the iPhone, like this app that uses a card to compare the size of the card with the actual distance?[详细]
2023-02-17 07:50 分类：问答CLLocationManager distanceFromLocation: returns -1
I am trying to use corelocation at the very beginning of my app, to get initial location. I have delegate method:[详细]
2023-02-16 15:22 分类：问答Distance Metric for clustering elements in a sparse matrix
I am attempting to cluster approximately 12000 elements based on approximately 1200 binary开发者_开发问答 variables using K-means.None of the conventional distance metrics (euclidean, manhattan, Hammi[详细]
2023-02-16 00:26 分类：问答Database Distances Cities Table
I need a DB model, that can handle an exclusive PK with 2 values. Lets say we have 3 cities and they are all开发者_JAVA技巧 connected.[详细]
2023-02-15 19:55 分类：问答Best way to implement users location that allows me to see what users live roughly in the same area
A key part of my current project is users having the ability to see what other users live near to them. What is the best way to implement this?[详细]
2023-02-15 13:00 分类：问答Effectively selecting the closest (distance) record from a database
I\'ve got a database with a 40k venues and growing right now. Assuming I\'m the red dot I want to be able to retrieve the closest record as quickly as possible.[详细]
2023-02-15 01:13 分类：问答{Android App} How can I display distance from my current location and specified point?
i have researched this for hours and the only answers i see point me to http://developer.android.com/reference/android/location/Location.html[详细]
2023-02-14 13:58 分类：问答Queries to find places within a given lat/lng
So I\'m trying to display lists of places within a range of the given lat/lng. I have no problem with this:[详细]
2023-02-14 06:02 分类：问答
![Interactive visualization of a graph in python [closed]](https://www.devze.com/res/2023/04-10/09/92d32fe8c0d22fb96bd6f6e8b7d1f457.gif)
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