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Questions tagged [wolframalpha]

Wolfram Alpha (also written WolframAlpha and Wolfram|Alpha) is an answer-engine developed by Wolfram Research

Wolfram|Alpha is an online service that answers factual queries directly by computing the answer from structured data, rather than providing a list of documents or web pages that might contain the answer as a search engine might. It was announced in March 2009 by British scientist Stephen Wolfram, and was released to the public on May 15, 2009.

Source: Wikipedia

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Mathematica not round small value to zero

I have a simple question, for the specific project I am working on I would like mathematica to not evaluate extremely small decimals (of the order of ~10^-90) to zero. I would like a scientific notation return. When I evaluate similar expressions…
eclement
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How do i compute variable in Wolfram?

Hello how do i compute this Q=sqrt(P-X^2) P=1/T_0*(B^2T_b/3+A^2*T_a+AB*T_b), X=1/T_0*(A*T_a+B*T_b/2) in WolframAlpha? A B T_a T_b P X abd Q constant numbers
user3395451
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Whether logbase2^k(n) is O(Big O) , o(Small o) , BigOmega, small omega or Theta of n^e

Here k>=1 and e >0. This is a homework question and from what i understood is since n^e is a polynomial function it will always grow faster that log^k(n)(log is to the base 2) so , log^k(n) = o (n^e) But when i try to plot the graph at…
Deeksha
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Wolfram Alpha Error

What is [...] Ok sir one moment, my databases for a possible answer.
user3320706
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Wolphram|Alpha API Android Exception Error

Hello i am Yassine and i am newbee in android development. I want to create a simple app that retrieve answers from WolframAlpha website. And i am stuck with lot of errors. This is a part of my code: `//Get The Search Input From The Main…
Yassine
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How to transform a dataset in the domain -1, 1 so that the data remains within constraints, but numbers closer to 0 are transformed more?

Every minute, I poll our database of customer service data for average overall experience in the past 24 hours. The result of the query is a float ranging from -1.0 to 1.0. I'm trying to create a dashboard that shows a circular gauge indicating…
snickle
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Solving Differential Equation - Wolfram Alpha vs Mathematica, different results

I'm solving a differential equation in Mathematica. Here is what I'm solving: DSolve[{-(r V[w])+u V'[w]+s V''[w]==-E^(g w)},V[w],w] When I use Wolfram Alpha to solve it, it gives me a nice solution: solve u*V'(w) + s*V''(w) - r * V = -exp(g*w) V(w)…
jack
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Mathematica doesn't work with big numbers

I'm pretty new to mathematica, and for example, when I type: "= 56 * 22" it gives me the result, but when I try to to compute the product of bigger numbers, mathematica says that "no interpretations available". For example when I type: "=…
Rafael Korbas
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Preventing rounding of Mathematica expressions

When using Mathematica, the following expression is given: In[429]:= 100*(1 - 0.002)^5*(1 - 0.005)*(1 - 0.006)*3.5 Out[430]= 342.7127137548418 I tried using N[], SetPrecision[] etc.. and couldn't get the real value which is 342.712713754841762864…
prgDevelop
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Graph like wolfram alpha using JQuery and img

$(document).ready(function () { $('#getIt').on('click', function () { }); }); I tried a lot of things but nothing work for me because I'm the new developer not easy for me so, when I click on the button, I want to send text input to…
TheMasterM3
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Get Data From Input Box In Mathematica

I want to get a Number Using "Input" Command In Mathematica and Put it in a Variable.But When I Use This Command And Enter a Number,It Returns "Null".Here's the Code: In[1]:= var = Input["Please Enter an Integer"]; Sqr = var^2 Out[2]:=…
user2411110
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How to design a Wolfram Alpha-like search engine?

I want to build a search engine that is similar to Wolfram Alpha. I want to insert a query and receive a response from a dedicated database, or multiple databases for multiple responses. Up until this point I know HTML + CSS, but I am mostly focused…
Toni G
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Is the absolute value function differentiable at x=0

Both Wolfram Alpha (diff abs(x)) and Maxima (diff(abs(x),x,1);) say that the absolute value function is differentiable at x=0, and that the derivative is x/abs(x). How would you go about excluding the point x=0 from the domain when formulating the…
Thure Dührsen
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WolframAlpha API throws exception in Android but not console

I'm building a simple calculator and I wanted to verify my calculations using a proven calculator, WolframAlpha but I'm having some consistency issues. I'm programming this to learn more about Android, Java and XML. Most of this code is taken…
Steven
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Can't generate plot in Wolfram Mathematica 8

I have this function: Plot[{(sin (x)), (sin^2 x)}, {x, -2*[Pi], 3*[Pi]}] When i'm trying to execute this function in Mathematica, i've got only this graph: How can i set to see the lines of the graph in Mathematica? In wolfram alpha it's ok, here…
nykolas
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