Tagged Questions

Wolfram|Alpha is a "computational knowledge engine" developed by Wolfram Research, announced in March of 2009. It is unique in that in answers queries with direct computational results, rather than bringing up a page of documents and various webpages as most search engines do.

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117 views

Is there any way to get unlimited computation time on WolframAlpha?

WolframAlpha imposes a limit on the amount of computational time it allows for each computation. If you have WolframAlpha Pro, you can do computations with a higher limit on computational time. But ...
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0answers
9 views

naming geometric figures

I know how to draw two circles that intersect each other in wolfram alpha. But I kind of want to name them, and, consequently refer to them. For e.g say the circles are c1, c2. They intersect at two ...
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1answer
66 views

Is WolframAlpha doing Math wrong?

I just tried to solve the following equation with WolframAlpha and got some very weird results: \sum_{i=1}^{x}x^2*i = 318338237039211050000 WolframAlpha tells me, one of the real solutions is x ...
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1answer
80 views

How do I input a vector in Wolfram Alpha?

How can I write this expression into Wolfram Alpha? I have read the vector examples page on Wolfram Alpha's homepage, but I didn't know which method to use.
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0answers
24 views

How can I export my Wolfram|Alpha Personal Analytics for Facebook report as a PDF without being a premium user?

( Wolfram|Alpha Personal Analytics for Facebook report ) Saving as PDF with Google Chrome misses most images.
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0answers
24 views

Can Wolfram Alpha do relationship graphs for literary works with proper input?

The book Spoon River Anthology is notoriously complicated with dozens of dead people discussing each other. For extremely complicated books like this, is it possible to get a 'relationship graph' such ...
3
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1answer
222 views

3D graphic / plot / visualization

Could someone tell me how to get WolframAlpha to graph/plot/show graphic of this: 16<=x^2+y^2+z^2<=25 ; x,=0 This did not work: 3dplot[x^2+y^2+z^2]
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0answers
81 views

WolframAlpha won't recognize my second derivative

I have been trying to calculate my derivative in WolframAlpha by inputing this: A=0.921/10^(9), a=1*10^(-9), h=1.055*10^(-34), m=9.109*10^(-31) int_((-pi)/(2*a))^((pi)/(2*a)) A ...
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2answers
913 views

RSA algorithm: How to enter the multiplicative inverse to WolframAlpha?

I'm trying to enter step 5: Compute d, the modular multiplicative inverse of e (mod φ(n)). How do I enter this in WolframAlpha? http://en.wikipedia.org/wiki/RSA_%28algorithm%29#A_working_example
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0answers
281 views

Plot multiple functions in Wolfram Alpha

I tried to multiple plot in WolframAlpha using this command from the Forum: plot {1<=x<=2 1<y<3} and plot {x=4 1<y<3} and plot {1<=x<=2 y=4} and plot {x=4 y=4} and plot ...
2
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1answer
48 views

Wolfram|alpha comparing country sizes

By inputting Portugal shape area, China shape area to Wolfram|alpha I can get two country shapes, but how can I get them on top of each other at the same scale? The output I'm looking for is ...
3
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1answer
332 views

How do I plot multiple probability distributions in Wolfram Alpha?

I am trying to plot multiple Beta probability distributions in a single grid using Wolfram Alpha: plot {beta distribution, alpha=10, beta=7}, {beta distribution, alpha=1, beta=4} However, ...
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0answers
43 views

WolframAlpha - Is it possible to associate equations with theorems?

Suppose I wanted to find out about the Pythagorean Theorem by searching via WolframAlpha. This is trivial -- we can search directly for Pythagorean Theorem and get a wealth of information. But ...
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2answers
50 views

Searching for populations of a list of cities

I want to create a list of all world cities named "Alexandria", along with their populations. Can a search engine do that? What could the query look like?
0
votes
1answer
492 views

Derivative of tan(f(x,y))

I was looking at the derivation of the derivative of tan(x^2 + 5x + y) on the Wolfram|Alpha. I don't understand the last step, which says the derivative of y is zero. Shouldn't it be y? Here is ...
2
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1answer
914 views

How to plot a scatter graph in Wolfram Alpha?

Is it possible to plot a simple scatter graph of points without any joining lines or lines of best fit? I have tried to use ListPlot but it just interprets that as plot which causes the points to be ...
5
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1answer
3k views

How to get Wolfram Alpha to draw two different plots on the same graph?

I want to draw this line: ParametricPlot[{-2 (-5 + t), 5 + t}] And this circle, radius 25: ContourPlot[x^2 + y^2 == 25] On the same graph. No matter what combination I use, I can't get ...
2
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2answers
2k views

Why can't Wolfram Alpha compute the following equation?

I tried to graph this equation I found on the Math SE on Wolfram Alpha,I got the following error: Wolfram|Alpha needs more time to respond to your query... When I clicked on Go on computing, I ...
8
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3answers
904 views

Notation to ask Wolfram Alpha the next number in a pattern

If I have this pattern: 1 goes to 40 1000 goes to 1360 10000 goes to 3480 How do I ask Wolfram Alpha what 20,000,000 goes to? This is my attempt: ...
8
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1answer
1k views

Can a user control the scale of plots in Wolfram Alpha?

I'm trying to generate some simple plots of shapes on the coordinate plane using Wolfram Alpha. I've had success with plotting the shape, but sometimes the plot output doesn't look nice. For ...
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0answers
310 views

How are the lines on HTML element hierarchy plots in Wolfram|Alpha generated?

Wolfram Alpha provides HTML element hierarchy plots for web sites. For an example, enter a popular website, like stackoverflow.com into the field: ...
6
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1answer
9k views

Plot vector-valued functions in Wolfram Alpha

Is there a way to plot 3d vector functions (also known as vector-valued functions) in Wolfram|Alpha? I know it's possible to plot regular vectors, by typing in vector {2,5,3} for example, but I would ...
4
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1answer
178 views

Convert weight of food to volume in Wolfram Alpha

How can I use the volume of food in equations on Wolfram Alpha? For example, if I type: 60g flour, I see that at the bottom, it says: serving volume: 3.5 fl oz. How can I use this value in an ...
5
votes
2answers
416 views

Show a number as binary in Wolfram Alpha

Is there any way to see a number as it's individual bits (i.e. base 2) in Wolfram Alpha? For example, given the number 255, it should show: 11111111 Similarly, the number 4 can be shown as: 100
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3answers
810 views

Wolfram Alpha Competitors [closed]

Are there any sites that are similar to Wolfram Alpha, or is it currently unique?
8
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1answer
470 views

Where can I find the syntax list in Wolfram Alpha for Math and Science Subjects?

Google is able to do simple to medium mathematical calculations but Wolfram Alpha is like Mathematica online. What I would like to do is test the limits . Such as what syntax is defined and what is ...
7
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3answers
604 views

Find a plane for four point by WolframAlpha

How can you find the plane of four points by WolframAlpha? Example plane((0,0,0),(2,-1,-1),(4,-2,-2),(8,-4,-4)) should give me x + y + z = 0.