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Wolfram|Alpha
Features, data, and functionality of Wolfram|Alpha, the computational knowledge engine.
DISCUSSIONS
Content with tag wolfram alpha.
Learning to program in the Wolfram Language: where to start?
Hello, I have read with avid interest the new developement with the Wolfram language and would like to start leaning how to program in it. I am particularly interested in its integration of natural language. So far, I have found a free course on Mathematica and a paid course on Wolfgram...
How to enter a long logical expression into Wolfram|Alpha?
When I enter an logical expression e.g. ( P && Q && R ) || ( Q && R && S ) I get lots of lovely info. However, I've discovered there is a limit to the length of input e.g. ( P && Q && R && S ) || ( P && Q && R && ~S ) || ( P && Q && ~R && S ) || ( P && Q && ~R && ~S ) || ( P && ~Q && R && S ) ||...
Tabular Input in Wolfram|Alpha Integration of Mathematica 9
Hi all: I'm trying to do a starchart with many things, but I think that It's very difficult input more of 10 data elements for a Wolfram|Alpha function (in this case, "sky chart") Did You know how to do? Thanks [Code: "{data}" | sky chart | Tonight | Cádiz]
How to show step-by-step solutions for Laplace transforms?
Hello, I tried to compute Laplace transform(sin(3t-2)*e^(-2t)) using WolframAlpha and I see no step-by-step solution. I hope anyone could guide me on a way to show step-by-step solutions for solving Laplace tranforms. I am using WolframAplha Pro. Thank you.
All possible tangent lines to a curve through given point
Hi, in Wolfram|Alpha I try something like: [url=http://www.wolframalpha.com/input/?i=tangent+line+to+y%3Dx%5E2+through+%28x%2Cy%29+%3D+%282%2C2%29]tangent line to y=x^2 through (x,y) = (2,2)[/url] and expect both possible tangents as result, but I only get one tangent. How can I make W|A...
Not sure if this is a bug in WolframAlpha or not
Hi, This is my first post here, so please excuse it if it's in the wrong place—I couldn't seem to find anywhere related to possible bugs. This is related to Linear Algebra; specifically, whether polynomials in P2 are linearly dependent or independent. For p1 = 1 + 3x + 4x^2, p2 = 3 + 10x + 15x^2,...
A Dictionary of Real Numbers online?
I have a book, A Dictionary of Real Numbers, by Borwein and Borwein. If you're not familiar with it, it's a list of numbers that are the result of a limited number of operations on a limited number of numbers. The numbers printed are eight digits after the decimal point, truncated, not...
Solve differential equations like x' = Ax; A is a matrix and x is a vector
Hello everyone, I am a new user who is trying to solve linear differential equations like x' = A x where A is a matrix of constants. I have not been able to successfully enter such an equation into wolframAlpha. I have tried things like x' = [{2,1},{3,4}]x to no avail. At best, it tells me...
Stephen Wolfram's Posting on Wolfram Language
It was very intriguing to read S. Wolfram's blog [url=http://blog.wolfram.com/2013/11/13/something-very-big-is-coming-our-most-important-technology-project-yet]Something Very Big Is Coming: Our Most Important Technology Project Yet[/url] as it gives just a whiff on what is "coming soon",...
Simplify Inequality (x = y + 3, x < 10, solve for y)
How do I get Wolfram Alpha to simplify the following inequality: "x = y + 3, x
Solve complicated equation that includes logs
As a newbie, I am having difficulty with the following input both timing out and not recognizing request to solve 's': "y =((p*log((b+((1-x)*(s*(o-1))))))+((1-p)*log((b-s)))), solve s." Any ideas? matekus
Input of several formulas at the same time
Is there a way to input a list of formulas into WolframAlpha, and have Alpha compute each formula one at a time and show the step by step solutions for each of the formulas. sample of formulas: x - 4 = -15 c - 2 = -8 Y - 15 = -7 Currently I input one formula at a time, select compute, select...
Are results exact, or a really good approximation?
I have no idea where to post this question!! Here it goes: If my input is: '((2^756,839)-1) * ((2^1,257,787)-1)' ; Will the result be an excellent approximation(near exact) or the exact answer?
Bug at Wolfram|Alpha (Solve the indefinite integral, steps not available)
Hello. It's my first post here :) And this post is about the bug. I sat and solved some tasks for my friend. I'm checking my answers only using Wolfram Mathematica and Wolfram|Alpha, but at that moment I saw very big answer for my task - "Solve the indefinite integral". Okay... May be it's true....
getting started: finding number of live births per year for a given area
Good day, In terms of projecting the number of kindergarten students, one of the metrics used is live birth data. When I asked Wolfram|Alpha about live births, I was given an "invalid query" response. Assuming this data does not exist in Alpha, how does one suggest a feed? Am I perhaps asking the...
Why does Wolfram Alpha give -infinity when querying 1-infinity?
I happened to come across a problem in mathematics and I encountered something I did not understand. How come 1 – infinity = -infinity in Wolfram Alpha - [url=http://www.wolframalpha.com/input/?i=1-inf]here is the link[/url]. [url=http://www.wolframalpha.com/input/?i=1-inf][img=width: 591px;...
How can I calculate a Delta expression in wolframalpha with Pro Account ?
Hi, I need to solve a question like this (image), How can I do this in wolframalpha ?
How to sign-up for the Wolfram Alpha forum?
Hello, how can i sign up for the forum at : [url=http://community.wolframalpha.com]http://community.wolframalpha.com[/url] ? I have no username and i see no registration link. Andreas
WolframAlpha step-by-step solver
Wolframalpha pro provides step wise step solution to math problems like integration, differentiation, differential equations etc. I have my college project to develop an application that produces step wise step solution to differentiation and integration. From where should i start, can anyone...
Plot multiple planes at once in Wolfram|Alpha
Today I tried to plot a plane by using its coordinate form: plot 3x+3y-2z=18that worked pretty good and gave me the following result:...
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