Use this for questions about calling Wolfram Alpha from Mathematica. Questions about Wolfram Alpha itself are off-topic.

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17
votes
0answers
169 views

Can Mathematica solve functional equations with nested variable?

First, inline free form input can solve these equations: But it seems no native Mathematica function can solve these, there is even an error page for equations of this form (nestdv). Now my ...
1
vote
0answers
28 views

How does WolframAlpha calculate closed form approximations of irrational numbers? [closed]

How does WolframAlpha do this: I'm aware of services such as RIES, which is an inverse equation solver, and ISC, the Inverse Symbolic Calculator. But WA goes much further. I've tried doing a ...
3
votes
3answers
319 views

Median household income for each county in Maryland

I found that Wolfram|Alpha knows the median household income for every county in the US. I wanted to get a list of all counties in Maryland, and the median income in each county. The only way I could ...
3
votes
3answers
191 views

Find the volume & weight of a US$4,000,000 gold ingot

The other day I read that $4,000,000 worth of gold was stolen from a truck. I was wondering how much it would it weigh, and what would be the volume. Sounds like a good problem for Wolfram|Alpha or ...
0
votes
0answers
37 views

Handwritten style in Mathematica [duplicate]

Following image is from the Wolfram alpha How can I do this in Mathematica?
1
vote
0answers
49 views

How to check electric kettle using Wolfram Alpha? [closed]

I wanted to measure time it takes to boil fresh cold water and I hoped wolfram would cut me some slack and count the target time for me... But it does not. I tried "boiling time water 2L 15C with ...
12
votes
2answers
808 views

All the food WolframAlpha knows about

I want to plot some nutritional values and do some computation with it. Is there an analogue of CountryData[] to get a list of all the foods for which WA has ...
7
votes
1answer
278 views

Differing answers when comparing Wolfram Alpha and Mathematica v.10.2

Out of curiousity, please consider following expression: Sum[(-1)^(n + 1)/n, {n, 1, 100000}] When evaluated using Wolfram Alpha: Result: ...
4
votes
2answers
92 views

Why some alpha + Evaluate return Pod, some return only return an Entity?

Why some alpha + Evaluate return Pod, some return only return an Entity? Here is an example One guess is some direct match/index will return a Entity, if with some NLP of Input, then will return ...
0
votes
0answers
44 views

Force expression in certain form

Is there a function in Mathematica to force an expression to be transformed into a given form. For example f[x] is a function of ...
5
votes
3answers
861 views

Analyzing frequency of individual letters in a large body of text

There are interesting histograms about the English language: BarChart[Counts[StringTake[WordList[], 1]], ChartLabels -> Automatic] ...
3
votes
2answers
111 views

Importing crude oil prices from WolframAlpha

WolframAlpha has knowledge of crude oil prices, as a simple query will show. I am trying to obtain this data for use in Mathematica but I am not able to figure out the input. If I try ...
9
votes
1answer
145 views

W|A or Mathematica for CountryData?

Sometimes W|A gives you something ... WolframAlpha["electricity production of the United States in 2007", "Result"] ... not available in the WDF ...
1
vote
0answers
168 views

Inverse Fourier transform not evaluating [closed]

I'm trying to do this simple task: InverseFourierTransform[0.031622*Exp[0.4995 ω^2], ω, t] Mathematica 9.0 can't handle it for some reason (it returns with the ...
7
votes
0answers
91 views

Mathematica and Wolfram Alpha - Long data series [duplicate]

Let's say I want a long series of data with the Mexican peso / US dollar exchange rate. The old code I used back in the day was FinancialData["USD/MXN", All] ...
1
vote
1answer
60 views

Building functions using WolframAlpha? Any other general examples welcome :)

I want to build my own version of SubsetQ using WolframAlpha to return True or False. ...
1
vote
1answer
91 views

Why do I get different results for the same input specified using natural language phrasing? [closed]

One of the comments to Stephen Wolfram's blog post on Ada Lovelace, mentioned that WolframAlpha (and verified in Mathematica as well) provided slightly different results for the question of Ada's age ...
1
vote
1answer
81 views

Facebook Report is not available [duplicate]

Personal Analytics for Facebook doesn't work. Some information is not available Also there is a same problem in Mathematica 10. Can anyone help me ? Thanks
4
votes
2answers
399 views

Find all synonyms of word X that rhyme with word Y

Given two words x and y, I'd like to find the set of all words that rhyme with x and are synonymous with y. Is this possible with WordData or ...
2
votes
1answer
47 views

Plotting two functions - one all the way to one point and other from that point on [closed]

I know this QA is not for Wolfram alpha, but I really need help with plotting something. What I need to plot is one function until one point and other function but only from that point on. My attempt ...
2
votes
0answers
86 views

Wolfram alpha algorithm for geometric packing in 2D [closed]

Is there any way to gain access to the algorithm that wolfram alpha uses? More specifically, I want to pack small circles in hex and square patters in a larger cicle ...
14
votes
1answer
218 views

Is it a bug in Limit?

Bug introduced in 9.0 and fixed in 10.0.0 Mathematica 9 on Windows and WolframAlpha says Limit[Sin[Sqrt[x+1]]-Sin[Sqrt[x]],x->Infinity] is ...
7
votes
1answer
614 views

Why does Mathematica's date for the battle Agincourt differ from the US Navy's?

If I ask Mathematica for the Julian Date for the battle of Agincourt with WolframAlpha["battle of agincourt date"] it reports ...
1
vote
1answer
73 views
3
votes
1answer
391 views

Putting set elements into venn diagram

My problem has two parts. Before that I have two Lists/Sets. It suppose to be created them by two initial strings. In the first part, I need to show sets' elements in venn diagram. I can create venn ...
0
votes
0answers
44 views

Solving Integral -syntax or interpretation problems

WA interpreter achievement not well this entry from Mathematica, steps need to see the full resolution input WA ...
2
votes
1answer
56 views

FlightData missing in Transportation Data but available through WolframAlpha

FlightData is listed in Transportation Data but its link does not work in Mathematica help or on the website reference help. It also returns a symbol-not-found ...
-1
votes
1answer
134 views

What am I doing wrong when using Solve ( Wolfram Alpha)

It is not because we do not interpreted correctly WolframAlpha["Solve[64(!(*FractionBox[(x - *SqrtBox[(*SuperscriptBox[(x), \ (2)] - 1)]), (x + 1)]) !(*SuperscriptBox[()), \ ...
13
votes
3answers
1k views

Flying to Australia

I want to compare different flight routes to Australia and their lengths. So far I have written: ...
4
votes
0answers
90 views

Extracting Code Used in Wolfram Alpha Query Output

If I type == moon texture map into Mathematica it sends a query to Wolfram Alpha and gives me the following output: A 3D sphere with a moon surface texture is ...
0
votes
0answers
40 views

Wolfram MAtematica [duplicate]

I want to learn Wolfram Language can anyone suggest some books from where I can start? p.s. I am basic at Wolfram Language ,and now I want to high knowledge.
0
votes
0answers
39 views

How to print intermediate steps of simplifying a power formula? [duplicate]

To answer the question of proving Fibonacci sequence is periodic mod 5 without using induction., I came across Mathematica to prove $$F_{n}\equiv F_{n+20}\pmod 5$$ for all $n \geq 2$ I defined: ...
0
votes
2answers
120 views

Significantly different results between Mathematica and Wolfram Alpha with large radicals and small numbers [closed]

I have some code which involves tiny numbers being put to the power of very large numbers. The function I'm looking at is $\varphi = \omega(T) \left(1 - (1 - \epsilon)^{n_{e}(T)} \right)$ when ...
7
votes
1answer
194 views

Automatically grouping words into categories

Say I have a comma-separated list of words. For example sake, let it be things I have seen during my trip to a safari zone. It would look something like that: ...
18
votes
5answers
1k views

Mathematica gives wrong result while Wolfram|Alpha is correct

Why does Mathematica and Wolfram|Alpha give different results based upon the same code? I know Wolfram|Alpha's 7.85 is correct.
2
votes
2answers
134 views

Convert List of Airport Codes to Entities

I have a list of airport codes: airports = {"ABE", "ABI", "ACT"} How can I convert this into a list of entities in Mathematica? Is this possible? I tried: ...
3
votes
1answer
137 views

Plotting country as a polygon

I am trying to reproduce an example from Geographics. GeoGraphics[Polygon[Italy]] It does not work. Using Ctrl+= this way: ...
2
votes
2answers
177 views

Showing steps for TrigExpand

If I enter a double equal sign and the following in Mathematica 10: == integrate 1/(1+x^4) Then wolfram alpha allows me to select a Step-by-step solution, which ...
-1
votes
1answer
72 views
0
votes
1answer
40 views

Clicking on “Show all results” in a W|A pod hangs Mathematica

I am trying the brand new trial version. I type in =Forest Gump, then the Enter key. The input turns into a box with a plus sign in the upper right corner. When I ...
1
vote
1answer
463 views

In WolframAlpha, how can I make a Scatter Plot without connecting points? [closed]

How do I plot a list of points without connecting the dots in WolframAlpha? I tried, for example, ...
0
votes
0answers
94 views

No connection to WoframAlpha with v10.1

I have a problem with my connection to WolframAlpha with the new version 10.1. And I can't figure out what causes it, because it works with version 10.0. Also, I have a connection to the data ...
0
votes
1answer
120 views

Transcendental Equation

After playing around with The Planck radiation law for the spectral energy density, (differentiation and setting equal to 0 to find the maximum wavelength"x") I'm stuck on how to deal with what I'm ...
3
votes
0answers
214 views

Mixing Wolfram Language & WolframAlpha Queries - How robust is it?

The advent of Mathematica in the cloud and linguistic input potentially transforms expectations of the Wolfram Language's programming model and its inherent robustness. An example of this comes form ...
0
votes
1answer
94 views

How to take (use, reuse) any data, returned by Wolfram Alpha?

Suppose I wish to use Boltzmann constant in calculations, and I queried it from Wolfram Alpha: Now, how to take any of selected values? If I copy paste I get garbage. How to perform?
0
votes
1answer
113 views

Why does this work with Wolfram|Alpha but not Mathematica? [closed]

I ran into this while doing some work today: It's the exact same syntax - and I expected that Mathematica would be more likely to be able to solve it, since oftentimes Wolfram|Alpha doesn't have ...
0
votes
1answer
56 views

How to query W|A, to get a list of asymmetric, bicubic and $3$-edge colorable graphs? [closed]

I'm interested in finding graphs with certain properties, like the smallest cubic bipartite asymmetric graph. While working on a related graph-theoretic problem, concerning edge-colrings, I came along ...
0
votes
1answer
858 views

Initial value problem with Laplace transform

How can I use Mathematica to resolve a Initial value problem involving Laplace-Transform? For example: Solve, using Laplace Transform, the following Initial value problem in [0,+∞] $$ ...
0
votes
2answers
204 views

How to ask for numbers that are relatively prime? [closed]

How do I run a computation on wolfram alpha that returns a list of numbers that satisfy an expression. For example gcd(k,24)=1, k=1..23 Given that, I want it to ...