cos result incorrect

Posted by suk on Stack Overflow See other posts from Stack Overflow or by suk
Published on 2010-06-14T07:02:56Z Indexed on 2010/06/14 7:12 UTC
Read the original article Hit count: 307

Filed under:

cosine

|

incorrect

I import "math.h".

I can use the cos function, but when I execute cos(0.321139585333178) the result is 0.948876

If I use the calculator in Mac or use a normal calculator, the result is 0.999984292347418

Can anyone help me to solve that problem?

© Stack Overflow or respective owner

Related posts about cosine

Find cosine similarity in R

as seen on Stack Overflow - Search for 'Stack Overflow'
I'm wondering if there is a built in function in R that can find the cosine similarity (or cosine distance) between two arrays? Currently, I implemented my own function, but I can't help but think that R should already come with one :) Thanks, Derek >>> More
java cosine similarity problem

as seen on Stack Overflow - Search for 'Stack Overflow'
Hi again :) I developed some java program to calculate cosine similarity on the basis of TF*IDF. It worked very well. But there is one problem.... :( for example: If I have following two matrix and I want to calculate cosine similarity it does not work as rows are not same in length doc 1 1 2 3 4… >>> More
How do you efficiently implement a document similarity search system?

as seen on Stack Overflow - Search for 'Stack Overflow'
How do you implement a "similar items" system for items described by a set of tags? In my database, I have three tables, Article, ArticleTag and Tag. Each Article is related to a number of Tags via a many-to-many relationship. For each Article i want to find the five most similar articles to implement… >>> More
Simple implementation of N-Gram, tf-idf and Cosine similarity in Python

as seen on Stack Overflow - Search for 'Stack Overflow'
I need to compare documents stored in a DB and come up with a similarity score between 0 and 1. The method I need to use has to be very simple. Implementing a vanilla version of n-grams (where it possible to define how many grams to use), along with a simple implementation of tf-idf and Cosine similarity… >>> More
Binary Cosine Cofficient

as seen on Stack Overflow - Search for 'Stack Overflow'
I was given the following forumulae for calculating this sim=|QnD| / v|Q|v|D| I went ahed and implemented a class to compare strings consisting of a series of words #pragma once #include <vector> #include <string> #include <iostream> #include <vector> using namespace… >>> More

Related posts about incorrect

SQL80001: Incorrect syntax near ':'

as seen on Geeks with Blogs - Search for 'Geeks with Blogs'
When you add SQLCMD statements to a pre-deployment or post-deployment file in a database project in Visual Studio 2010. You might see the error "SQL80001: Incorrect syntax near ':'". This is not a real error assuming you have the correct SQLCMD syntax. To clear the errors temporarily right click… >>> More
TCP RST Reset Every 5 Minutes on Windows 2003 sp2

as seen on Server Fault - Search for 'Server Fault'
Hey, Recently I had a web developer come to me and ask why he was receiving connection errors in his app that was accessing a sql database. So, I went through my normal trouble shooting steps to isolate or reproduce the issue. I discovered that if I connected to the database using Query Analyzer… >>> More
Why netstat reporting incorrect machine names?

as seen on Server Fault - Search for 'Server Fault'
I need to investigate what clients connected to my application and I am using the netstat command for this. I noticed that sometimes it does not report me the correct machine name. Why this is happening? Is there a better way to get the list of clients connected to my server? >>> More
cos result incorrect

as seen on Stack Overflow - Search for 'Stack Overflow'
I import "math.h". I can use the cos function, but when I execute cos(0.321139585333178) the result is 0.948876 If I use the calculator in Mac or use a normal calculator, the result is 0.999984292347418 Can anyone help me to solve that problem? >>> More
SQL Server 2000 incorrect message: duplicate key with unique index

as seen on Stack Overflow - Search for 'Stack Overflow'
Database server: SQL Server 2000 - 8.00.760 - SP3 - Standard Edition I have a table with 5 columns, in which I want to add a large (300.000) number of records. There is a unique index on the combination of two columns. If I add the records with this unique index in place, SQL Server gives this error… >>> More