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Search found 444 results on 18 pages for 'equation'.

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• Convolving two signals

  - by John Elway

  Calculate the convolution of the following signals (your answer will be in the form of an equation): h[n] = delta[n-1] + delta[n+1], x[n] = delta[n-a] + delta[n+b] I'm lost as to what I do with h and x. Do I simply multiply them? h[n]*x[n]? I programmed convolution with several types of blurs and edge detectors, but I don't see how to translate…

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• drawing circle without floating point calculation

  - by zaharpopov

  This is common interview question (according to some interview sites) but I can find no normal answers in Internet - some are wrong and some point to complex theory I expect not looked for in interview (like Bressenham algorithm). The question is simple: The circle equation is: x^2 + y^2 = R^2. Given R, draw 0,0-centered circle as best as…

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• Calculate area under FFT graph in Matlab

  - by lytheone

  Hiya, Currently I did a FFT of a set of data which gives me a plot with frequency at x axis and amplitude at y axis. I would like to calculate out the area under graph to give me energy. I am not sure how to determinate the area because i am without the equation and also i only want a certain area of the plot rather than whole area under the…

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• RSA PKCS1 implementation in Python

  - by user307016

  I'm working on the RSA PKCS1 implementation in Python,here's the message block i got: m = [0,2,random paddings,0,message integers] I read the RFC2313,and get a equation seems for transforming the message block object into an big-edian integer. I just get confused about how to transform it in Python. Any help would be appreciated.

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• How would someone implement mathematical formulae in java?

  - by Mohit Deshpande

  What I mean is like have to user input a string with multiple variables and get the value of those variable. Like a simple quadratic formula: x^2 + 5x + 10. Or in java: (Math.pow(x,2)) + (x * 5) + 10The user would then enter that and then the program would solve for x. I will be using the BeanShell Interpreter class to interpret the string as…

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• How would someone go about implemention mathematical formulas in java?

  - by Mohit Deshpande

  What I mean is like have to user input a string with multiple variables and get the value of those variable. Like a simple quadratic formula: x^2 + 5x + 10. The user would then enter that and then the program would solve for x. I will be using the BeanShell Interpreter class to interpret the string as an equation. But how would I solve for x?

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• Is there a C++ graphing library?

  - by thyrgle

  Is there a C++ graphing library that can display visual graphs (such as hyperbolas and parabolas and linear equations) based on the equation it is given and that is cross platform? Or am I just asking for too much...

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• How to start math formulae in new line if bad boxed in latex ?

  - by Michal

  What sort of code should I put in preamble, such that every math fomula (in dolar signs) that is too long to fit in line width (a.k.a. produces Bad Box) start in new line (like putting // before equation) ? Or is it impossible to detect and prevent Bad Box in compiling ?

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• Which Cassandra API provides the highest level of abstraction?

  - by knorv

  There are a lot of Cassandra API:s available and usually the programming language preference determines the choice of API. However, if we take the programming language component out of the equation, what Cassandra API provides the highest level of abstraction? Definition of "level of abstraction" in this context: An API providing a lot of…

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• multiple figure in latex with captions.

  - by asd

  Hi, How can I insert multiple figures each of them has a caption and label, without using minipage. I wrote this code, but just there is one caption :( \begin{figure}[htp] \centering \label{figur}\caption{equation...} \begin{tabular}{cc} % Requires \usepackage{graphicx} \includegraphics[width=60mm]{explicit3185.eps}&…

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• Adobe distiller: Cambria not found, using Courier.

  - by bobobobo

  Whenever I try to print to PDF from an MS Word 2007 document, I get this error: Cambria not found, using Courier. (Even though I believe I removed ALL occurrences of Cambria from the document) The pdf doesn't get produced actually, all I get is this error log file with that message. Edit: I found the source of the problem. It was an…

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• Convert OpenGL code to DirectX

  - by Fredrik Boston Westman

  First of all, this is kind of a follow up question on @byte56 excellent anwser on this question concerning picking algorithms. I'm trying to convert one of his code examples to directX 11 however I have run into some problems ( I can pick but the picking is way off), and I wanted to make sure I had done it right before moving on and…

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• CodePlex Daily Summary for Tuesday, November 15, 2011

  CodePlex Daily Summary for Tuesday, November 15, 2011Popular ReleasesTHE NVL Maker: The NVL Maker Ver 3.10: 3.10 ??? ???： ·????????? ·????????? ·???“TJS”?“??”“EXP”?????“???”,???????? ·???“????”???，???????@if~@elsif~@else~@endif????? ·TJS????????? ·???????????else?endif??? ??：…

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• What Gets Measured Gets Managed

  - by steve.diamond

  OK, so if I were to claim credit for inventing that expression, I guess I could share the mantle with Al Gore, creator of the Internet. But here's the point: How many of us acquire CRM systems without specifically benchmarking several key performance indicators across sales,…

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• Python productivity VS Java Productivity

  - by toc777

  Over on SO I came across a question regarding which platform, Java or Python is best for developing on Google AppEngine. Many people were boasting of the increased productivity gained from using Python over Java. One thing I would say about the Python vs Java productivity…

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• How to implement curved movement while tracking the appropriate angle?

  - by Vexille

  I'm currently coding a 2D top-down car game which will be turn-based. And since it's turn-based, the cars won't be controlled directly (i.e. with a simple velocity vector that adjusts its angle when the player wants to turn), but instead it's movement path has to be…

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• Python productivity VS Java Productivity

  - by toc777

  Over on SO I came across a question regarding which platform, Java or Python is best for developing on Google AppEngine. Many people were boasting of the increased productivity gained from using Python over Java. One thing I would say about the Python vs Java…

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• Need help with DNS. Registrar is NS, Web Site at WinHost, Email at eHost

  - by Leon

  Need help moving a web site for a client, which I will call ClientABC. The web site is ClientABC.com, which is hosted at Rackspace, with their email hosted at eHost. We are transferring the site from Rackspace to WinHost and are keeping the email hosted at…

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• Nervous about the "real" world

  - by Randy

  I am currently majoring in Computer Science and minoring in mathematics (the minor is embedded in the major). The program has a strong C++ curriculum. We have done some UNIX and assembly language (not fun) and there is C and Java on the way in future…

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• Morph a sphere to a cube and a cube to a sphere with GLSL

  - by nkint

  I'm getting started with GLSL with quartz composer. I have a patch with a particle system in which each particle is mapped into a sphere with a blend value. With blend=0 particles are in random positions, blend=1 particles are in the sphere. The code…

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• MAC and PC problems on home network

  - by tombull89

  Hello! At home we have a wireless router that my family want to use. We have our main computer physically connected to the router, and my laptop is connected wirelessly. When the network is like this then it is faultless. However, when my brother…

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• Interpolate air drag for my game?

  - by Valentin Krummenacher

  So I have a little game which works with small steps, however those steps vary in time, so for example I sometimes have 10 Steps/second and then I have 20 Steps/second. This changes automatically depending on how many steps the user's computer can…

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• links for 2010-03-18

  - by Bob Rhubart

  Oracle Database HA Architecture « The Oracle Instructor Oracle Certified Master Uwe Hesse introduces his blog's new Oracle Database HA Architecture page. (tags: oracle otn highavailability database) …

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• Flip rotation matrix

  - by azer89

  right now i'm doing character control with kinect. Basically i need to mirror the joint orientation because the character faces the player. Somehow by googling through internet i've done it and everything works very well. But i have little idea…

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• Joomla 1.5 Media Manager sets incorrect file permissions when uploading

  - by Scott Mayfield

  Howdy all, I have a Joomla 1.5 installation running on Windows Server 2008, installed via the Web Platform Installer. When uploading images with the media manager (native uploader, not the flash bulk uploader), the files arrive on the server…

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