# wolfram-alpha-queries's questions - English 1answer

139 wolfram-alpha-queries questions.

### 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 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/2How we can define this constraint in Wolfram|...

### 2 FetchUrl status forbbiden when using Wolfram Alpha query

1 answers, 72 views web-access wolfram-alpha-queries
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 ...

### 3 Conditional Summations

4 answers, 169 views summation wolfram-alpha-queries
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 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 ...

### How to CloudDeploy a wolfram dataset?

I have tried CloudDeploy[ResourceData[ResourceObject["Meteorite Landings"] ] ]this Aborts without any error

### 1 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 ...

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

1 answers, 70 views wolfram-alpha-queries education
I'm trying to get a step-by-step solution of a system of symbolic equations: ...

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

0 answers, 52 views vector wolfram-alpha-queries
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+...

### 2 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 ...

### 4 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 ...

### 4 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 ...

### 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 ...

### 5 WolframAlpha function does not return structure diagram for chemicals

1 answers, 72 views chemistry wolfram-alpha-queries
Neither one ofWolframAlpha["Caffeine"] WolframAlpha["Caffeine","FullOutput"]returns a structure diagram for the molecule. It's consistent since ...

### 73 How to create a new “person curve”?

Wolfram|Alpha has a whole collection¹ of parametric curves that create images of famous people. To see them, enter WolframAlpha["person curve"] into a Mathematica ...

### 2 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 WolframAlpha robustness

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

### Copy/Export Step By Step Solutions to MathML format

I am trying to generate step by step solutions and then export/copy them in MATHML format. To simplify the issue, I have tried 2 methods to copy the output, neither of which I can get to work: Copy ...

### 2 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 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 ...

### 1 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 ...

### 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 ...

I am trying to get the name of stars that are in a range of distances from the Sun. The Input I have tried is: ...

### Second derivative implicit differentiation using Wolfram Alpha input?

How would you perform second derivative implicit differentiation using Wolfram Alpha input? The reason that I'm using WA input is that it gives you step-by-step solutions and I'm a first year ...

### 1 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 Timeout in implicit Wolfram|Alpha calls, but WolframAlpha works

0 answers, 37 views units wolfram-alpha-queries entity
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, ...

### 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: ...

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

0 answers, 276 views wolfram-alpha-queries education
I know that it's possible to get the step by step solution of a differential equation calling Wolfram in Mathematica. For example: ...

### 2 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 ...

### 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, ...

### Changing possible intermediate steps in step-by-step solution - Mathematica

0 answers, 79 views wolfram-alpha-queries education
When Mathematica shows me the step-by-step solution, it says "Possible intermediate steps". Is there a way to get the same solution, but with different intermediate steps? An example of statement that ...

### 2 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 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 $$\bigg| \sqrt[3]{2}-\frac{p}{q} \bigg | <\frac{1}{q^{5/2}}$$ ...

### 16 Is it a bug in Limit?

Bug introduced in 9.0 and fixed in 10.0.0 and reintroduced in 11.2 Mathematica 9 on Windows and WolframAlpha says ...

### Mathematica in my computer vs Wolfram Alpha [closed]

1 answers, 176 views syntax wolfram-alpha-queries
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 ...

### Can Wolfram Development platform use wolfram alpha?

1 answers, 92 views wolfram-cloud wolfram-alpha-queries
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

### 6 How can I find the source of data of a wolfram alpha query?

1 answers, 201 views curated-data wolfram-alpha-queries
If in Mathematica I type, for example:==Sun massWolfram Alpha gives me lots of data (mass in kg, lb, sun radius, temperature...): but where do they come from? ...

### 11 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 ...

### 12 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 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://...

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

0 answers, 63 views wolfram-alpha-queries dictionary
Why there are different result There are $691$ words according the wolfram alpha. but there are only $307$ words according the Wolfram Mathematica ...

### 15 Proteins, ProteinData, WolframAlpha

Apologies in advance, this is the first I've messed with ProteinData and access through WolframAlpha, so clearly I may not know ...

### How can I get Mathematica to show me how to integrate an integral? [closed]

1 answers, 227 views wolfram-alpha-queries free-form-input
I tried using the free input to show me how to integrate the following integral but it didn't show me the steps. Solve with steps the integral of x*(2*a^2)*arccos(x/(2*a))-(x^2/2)*sqrt(4a^2-x^2) in ...

### 1 How to have the WolframAlpha command process generated numbers without having to cut-and-paste [closed]

I often generate long decimal expansions of various numbers.Then I cut-and-paste them into the == command to get a WolframAlpha analysis (to see if there are any interesting properties, possible "...

### 31 Unit Discovery: Is this some sort of a sick joke?

2 answers, 3.706 views units wolfram-alpha-queries
Alright, let's have some fun here. I am essentially following the documentation by Wolfram, just looking at different quantities. ...

### 20 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.