Questions tagged [wolfram-alpha-queries]

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

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1answer
71 views

Wolfram Unable to Integrate [on hold]

I typed in a long integral into Wolfram Alpha and asked it to integrate it however Instead of showing the result or even that it is unable to perform the task it totally ignores the function and only ...
0
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2answers
54 views

Wolfram Alpha missing solutions to a quadratic equation over the integers?

I don't have Mathematica, but Wolfram Alpha appears to miss integer solutions to bivariate quadratic equation: solve over integers X^2 + 1672739 Y^2 = 4680419795530281540 returns only two pairs of ...
2
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1answer
31 views

How to fix this error at numerical integration?

I have this: ...
2
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0answers
34 views

Querying WolframAlpha from WolframScript

Is it possible to query WolframAlpha from a wolframscript query? The following yields $Failed: ...
1
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1answer
65 views

How to create a find-and-replace code in Mathematica?

Let's say I have a group of X's characters that I want to cut down. I want to use a method similar to 'find-and-replace-all' tool from Word, which takes an amount of X's each time, deletes them, and ...
0
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1answer
61 views

Could not solve this equation by Solve and also get nearly correct plot by Wolfram|Alpha [closed]

Input: Solve[y'[x] == -(224.8 ((y[x]^2 - y[x]/10^11 - (0.000010385 x^3)/E^(2 x))/x^2)), y[x], x] Output: ...
0
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0answers
27 views

Is it possible to get the required mathematica code from wolfram alpha input?

It is very easy to get an out put in wolfram alpha if the input is very complicated and mathematica coding giving some problem. So is it possible to convert an wolfram alpha input to a standard ...
0
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1answer
57 views

How do I obtain the characteristics and properties of an alloy? [closed]

I would like to obtain the characteristics and properties of the Alloy Chromel. How do I download that information from the database of Wolfram Alpha and then print it in a Mathematica Notebook? ...
2
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0answers
43 views

How to get the events and holidays occurred on a list of dates?

I have a list of 100 unix timestamps and I am trying to get all the events occurred on that time. The following code get an abort signal when a has 100 timestamps. Another problem is that when I run ...
0
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2answers
131 views

Getting the full result from a Wolfram|Alpha query?

I'm trying to get the list of numbers using this query: WolframAlpha[ "integers | perfect square and having 9 digits", {{"Result", 1}, "NumberData"}] By ...
4
votes
1answer
80 views

Discrepancy between area given by CountryData and GeoArea of FullPolygon

CountryData["US", "Area"] puts the area of U.S. at $9.63\times 10^6 \textrm{ km}^2$, while ...
1
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1answer
124 views

Why can't I plot two graphs on the same plane in WolframAlpha?

When I plot these graphs separately everything is OK, but when I try to plot them simultaneously I get error. Why?
0
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1answer
87 views

Unexpected omission by Wolfram Alpha [closed]

When Alpha is submitted the equation $a(a^2-1)=2b^2$, it unexpectedly forgets the integer solution $a=1,b=0$. What could explain this ? http://www.wolframalpha.com/input/?i=a(a%5E2-1)%3D2b%5E2
8
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2answers
2k views

Wolfram says sum diverges, but Mathematica gives a numerical value for infinite sum [closed]

Take this sum for example: $$\sum_{n=2}^\infty\frac1{\log(n!)}$$ Wolfram says that this does not converge by the comparison test. However, when I use Mathematica's ...
3
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0answers
62 views

CloudDeploy fails when using WolframAlpha as APIFunction

I am trying to create a Wolfram API that returns, for an input expression, how Wolfram Alpha interprets that input. For example, given the string "1 plus 2", the API should return "1 + 2". Locally, ...
1
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1answer
65 views

Plot with Wolfram Alpha Scientific Data

Now that Mathematica has already embedded Wolfram Alpha, so I'd like to plot a graph: "Air Density" - "Elevation". I know that yields But I can't do that 10000 ...
1
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1answer
34 views

How I can define and arrange following linear equation?

We have: Theta * (2L-K) = 0 Theta cannot be zero because it's angle parameters. (2L-K)=0 then We can calculate L=K/2 How we can define this constraint in Wolfram|...
3
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4answers
185 views

Conditional Summations

I am not a math major, but for a networking class, I am taking I am required to do summations for probability. I know the logic but I don't know the mathematical theory to make this work. Using ...
5
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1answer
101 views

Confusion in finding the definite integral

So, I'm new to Mathematica. I tried evaluating the following definite integral. However the answer i get from wolfram alpha & mathematica are different. Can someone please point out what I'm ...
1
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1answer
55 views

How can I compute how many primes of this kind are up to $N$?

In the following link: https://oeis.org/A079796/b079796.txt we can see the first 10,000 prime numbers $p$ with the property that both $(3p)^2 + p^2 + 3^2$ and $(3p)^2 - p^2 - 3^2$ are primes ...
0
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1answer
301 views

Step-by-step solution of a system of symbolic equations - Call Wolfram Alpha in Mathematica

I'm trying to get a step-by-step solution of a system of symbolic equations: ...
1
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0answers
137 views

How to query Wolfram Alpha to find projection of point on plane? [closed]

For example, the projection of the point $P=(1,2,3)$ on the plane $x+y+z=3$ is the point $Q=(0,1,2)$. How do I ask Wolfram Alpha to compute this? I've tried "projection of point (1,2,3) on plane x+y+...
4
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4answers
2k views

How to ask WolframAlpha to find 'x such that p=32*x+1 is prime'

I want to find prime $p$ in form of $p=32 x+1$ How can I ask WolframAlpha for such $x$ that will fulfil this equation? EDIT: let's say that $100$ or $n$ solutions is enough for me EDIT2: I need x's ...
0
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1answer
127 views

Can I make Wolfram Alpha use a specific substitution when integrating? [closed]

Can I define the '$u = \dots$' for an integral? For example when I integrate $\frac{x^3}{\sqrt{6 - x^2}}$ with respect to $x$, the program automatically sets $u = x^2$, how can I change this so it ...
2
votes
1answer
86 views

how to get historical data from wolfram alpha

The following command give historical data from 21th April 2017 to 19th April 2018. Which is about 1 year. How do i get this result for past three years from wolfram alpha. ...
2
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0answers
50 views

WolframAlpha robustness

I am experiencing return values of Missing[NotAvailable] from WolframAlpha[], about 10% of the time. For some reason, this seems ...
2
votes
3answers
141 views

Find the average GDP of multiple countries at once

How would I find the average GDP of a list of countries between set years? I know how to do it for one but I'm not sure about multiple values. I also wish to find the average population size. An ...
1
vote
1answer
110 views

list of dates for vernal equinox

I'm trying to get a list of dates and times of the vernal equinox for the last 30 years (or some other time interval). I'm flailing about and really have gotten nowhere. When I've tried typing ...
0
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5answers
159 views

Find optimal integer solution to linear equation (Wolfram Alpha)

I'm sorry if this is potentially off topic, but I posted this question at the Math SE and they pointed me here. Both SE sites have a tag for Wolfram Alpha, but maybe you guys are better equipped to ...
5
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1answer
92 views

WolframAlpha function does not return structure diagram for chemicals

Neither one of WolframAlpha["Caffeine"] WolframAlpha["Caffeine","FullOutput"] returns a structure diagram for the molecule. It's consistent since ...
2
votes
1answer
111 views

how to get a relation between two parameters from a single equation

2 (ϕ'[r])^2 - 2 u'[r]/r - (u'[r])^2 - u''[r] == 0 I need to get a relationship between u and ...
3
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1answer
162 views

FetchUrl status forbbiden when using Wolfram Alpha query

Strange thing here. If I try this with Free-form input: Sqrt[(2^t*Log[2])^2/(1 - 2^(2*t))] I have no problem... But if I try the same expression in the Wolfram ...
1
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1answer
155 views

Interpolating the Treasury yield curve

The following code: scrapes current U.S. Treasury yield data from the Treasury's website; plots the available data points (from the 1, 2, 3, 5, 7, 10, 20, and 30 year instruments); and interpolates &...
2
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0answers
46 views

Timeout in implicit Wolfram|Alpha calls, but WolframAlpha works

In general we expect this to work: Quantity["Speed of light"] Quantity[1, "SpeedOfLight"] And it does because it can make use of Wolfram|Alpha. Oddly, though, ...
1
vote
3answers
207 views

Different solutions for $\sin (2x)-\cos (2x)= 1$ and $\sin(2x) = 1 + \cos(2x)$ [closed]

I am trying to solve an equation in Wolfram Mathematica and I get different results although the equation is technically the same. I am really confused. so basically: $\sin(2x) - \cos(2x)= 1$ is the ...
1
vote
0answers
439 views

Step by step solution of a differential equation - Call Wolfram|Alpha in Mathematica

I know that it's possible to get the step by step solution of a differential equation calling Wolfram in Mathematica. For example: ...
0
votes
1answer
274 views

Resolve, Solve, Refine, etc., do not work, but Wolfram|Alpha does

As a teacher, I am trying to show some step-by-step execution. (Any help with tools would be most appreciated.) Related, I cannot get the following to work: ...
0
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0answers
48 views

WolframAlpha fails to return ComputableData

Why does WolframAlpha["How much rain in Boston on Dec 25, 2016", {{"Input", 1}, "ComputableData"}] return Missing["NotAvailable"], when WolframAlpha["How much rain in Boston on Dec 25, ...
2
votes
1answer
296 views

Improper Integration Step by Step

I am trying to obtain the step-by-step analysis of the integral $\int _{ 0 }^{ \infty }{ { y }^{ 3 }{ e }^{ -\frac { y }{ N } }dy }$ by calling Wolfram Alpha: ...
2
votes
1answer
221 views

Finding all integer solutions of the following inequality $\bigg| \sqrt[3]{2}-\frac{p}{q} \bigg | <\frac{1}{q^{5/2}}$

I want to find integer solutions of the following inequality by using Mathematica $$\bigg| \sqrt[3]{2}-\frac{p}{q} \bigg | <\frac{1}{q^{5/2}}$$ ...
0
votes
1answer
254 views

Mathematica in my computer vs Wolfram Alpha [closed]

I observe that if I execute in the url of wolfram alpha the integral of the function (3/x^2)Sin(x)Sin(x/3) with the limits between zero and infinity: integrate (3/x^2)sin(x)sin(x/3) from 0 to inf I ...
0
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1answer
117 views

Can Wolfram Development platform use wolfram alpha?

I would like to be able to acces/show the step by step solutions from wolfram alpha in a note book! Is this possible? An
11
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0answers
148 views

How can I disable system updates only?

Suppose I'm quite happy with my current Mathematica installation and wish to keep the system in its current form just reliably working. Since there were already at least two cases[1,2] when a lot of ...
2
votes
0answers
70 views

Low resolution of Math formulas in Wolfram Web Resources [closed]

I use Wolfram Web Resources extensively, but unfortunately, all of the displayed math is in low resolution. Is there a way of viewing (and copying) math in high resolution? For example: http://...
12
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2answers
3k views

I use WolframAlpha within Mathematica; would there be any advantage to buy Wolfram|Alpha PRO?

Our mathematics department provides us with the student edition of Mathematica $10.3.1.0$ and I often use the WolframAlpha["query"] command to use Wolfram|Alpha ...
2
votes
1answer
187 views

Some Wolfram|Alpha Features I can't achieve in Mathematica

I have noticed some features available on the site Wolfram|Alpha which I am not managing to replicate. Two examples which come to mind are the following. Given a function $f(x)$, I want to determine ...
4
votes
3answers
237 views

Error with Wolfram Alpha

I tried evaluating the following limit with WA, but I got a wrong answer. The limit is: $$\lim_{n\to\infty}\left| \frac{n\sin^2(n+1)}{(n+1)\sin^2(n)}\right|$$ The result that I obtained from WA was $0$...
2
votes
1answer
105 views

What does getting Mathematica locked up with specific equations mean? [closed]

In the What If? article Falling with Hellium, Randall says: I managed to lock up my copy of Mathematica several times on balloon-related differential equations, and subsequently got my IP address ...
2
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0answers
77 views

Different result about “words ending with w” in Wolframalpha and Mathematica 11.0 [closed]

Why there are different result There are $691$ words according the wolfram alpha. but there are only $307$ words according the Wolfram Mathematica ...
2
votes
2answers
111 views

How do I get a list of all the wine producing countries using V11?

I have tried several options and although I have looked at Wolfram Alpha snippets, I cannot get those to work in V11. This link is the best I could find, but I cannot replicate it for wine, or wine ...