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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41 views

Wolfram alpha query works online but not through mathematica?

Bit of a bizarre problem I'm having (well, more a question than a problem). I am trying to solve an integral, which I queried using the online wolfram alpha website. The input and output are ...
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99 views

Calculating double integral bounded by domain in Wolfram Alpha Notebook [closed]

If I want to compute Double Integral on a given region(See attached Picture) How can I input this on Wolfram Alpha Notebook
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60 views

How can I show the calculation of the determinant of a matrix step by step? [duplicate]

I would like to emulate what Wolfram Alpha does in Mathematica. Can you help me? ...
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0answers
56 views

Engineering materials entity class

Are there any Entity Class like EntityClassList["Mineral"] to get physical properties of "Materials" like steel alloys, polymers, ceramics or ...
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1answer
460 views

Convert WolframAlpha output to $\LaTeX$

I am using WolframAlpha app on my iPad and would like to confirm that there is no way to convert its output to $\LaTeX$ form? It would be nice to have this feature so as to copy it to Stack Exchange ...
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38 views

How to convert Basic Math Assistant palette symbols to Wolfram language code?

I really like using Basic Math Assistant palettes for the symbols, however, I can't seem to use them with WolframAlpha["query", "format"]. Thus what I tried doing was use Palette, ...
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2answers
76 views

Wolfram|Alpha query doesn't compute answer

I typed == integral (e^cosx)((cosx)^2)(sinx) from x=0 to pi into Mathematica, but it doesn't seem to generate an answer. What did I do wrong? I entered the query ...
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1answer
51 views

General: 2456 is not a valid variable [closed]

... is not a valid variable i dont know whats happend
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0answers
50 views

How to make this expression?

How to code this expression in WolframAlpha. I am interested in how to code the second sum, because it contains a boolean expression: $$\sum_{i=1}^{100}{\sum_{j>n}}{x_{i}x_{j}}$$
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72 views

Why doesn't Mathematica provide an answer while Wolfram|Alpha does, concerning a series convergence?

Among other series I've been working on, I was asked to find whether $$\sum_n 1-\cos(\frac{\pi}{n})$$ converged, and Mathematica's output to ...
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4answers
147 views

How can one expand an arbitrary boolean combination into the $2^n$ atoms of the associated boolean algebra of size $2^{2^n}$?

The answer of user250938 to Can one usefully apply the Boolean functions of Mathematica to measurable Boolean sets? and the second comment of Monroe Eskew to the answer to https://mathoverflow.net/...
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1answer
131 views

The Branch Cut of the Complex Logarithm Used by Default in Wolfram Alpha

The title says it all: what branch cut (like which value of $k$ in $\ln(z)=\ln(r)+i(\theta+2\pi k))$ does Wolfram Alpha use by default in calculating the complex logarithm. I would say "principal ...
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1answer
270 views

step-by-step solution unavailable (( possible intermediate steps ))

When using the (( WolframAlpha["integrate 1/(2+Sqrt[1-x]+Sqrt[1+x])"])) function to find integration steps, this message appears to me what is the explanation and ...
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45 views

What is the current WolframAlpha server capacity?

Considering the increasing workload WolframAlpha is now receiving as it is getting more tightly integrated into the Wolfram language. With things like Entities even ...
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0answers
149 views

How to change the Wolfram Alpha query timeout for Ctrl+=?

Sometimes retrieving results from Wolfram Alpha takes time and the default query timeout is not sufficient. For engagement with Wolfram Alpha implicitly for expr ...
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1answer
45 views

How can I price of 100 EUR in RON on 1st of every month back to 4 years

I would like to see the difference between 450 RON and 100EUR converted to RON on 1st of every month back to 4 years. possibly with a cumulated chart...
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1answer
309 views

Difference between free-form input via WolframAlpha[] and CTRL+=

WolframAlpha["query"] - https://reference.wolfram.com/language/ref/WolframAlpha.html Free-form input - https://reference.wolfram.com/language/workflow/EnterFreeFormInput.html For example: ...
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0answers
518 views

Step by step solution of a limit of a sequence - Calling Wolfram|Alpha in Mathematica

I'd like to visualiza the step-by-step solution of the following limit by calling Wolfram|Alpha in Mathematica, but I don't know how to specify that n is a positive integer variable: ...
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1answer
91 views

WolframAlpha does not give stepwise solution for a simple twodimensional integral

Why does the behave this particular way: ...
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1answer
73 views

Quick Wolfram Question [closed]

This is my code so far: For[i=2, i<10, i++, Solve[x^i == x+1 && x >0]] I would like to sum up all the x values that it outputs. How can I do so?
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2answers
295 views

Is there a way to copy/paste an expression from Mathematica into Wolfram Alpha?

For example, I have the expression $$\int_0^t \frac{\lambda e^{-\lambda x} (\lambda x)^{k-1}}{(k-1)!} \, dx$$ (written that way in Mathematica). Is there a simple way to copy/paste the (in this ...
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1answer
141 views

Daylight hours vs calendar date

Is there a way in Mathematica or Wolfram Alpha to get a plot of daylight hours vs calendar date and rate of change of daylight hours vs calendar date. Lets say I want the plot for latitude 45 degrees ...
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2answers
488 views

How to calculate complicated expression in WolframAlpha

I need to evaluate the limit: $$\lim_{n\to\infty}\prod_{k=1}^\infty \left(1-\frac{n}{\left(\frac{n+\sqrt{n^2+4}}{2}\right)^k+\frac{n+\sqrt{n^2+4}}{2}}\right).$$ I could not type into WolframAlpha ...
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0answers
80 views

U.S. Treasury Yield Curve via WolframAlfa

Disturbingly coincident with the U.S. Treasury Yield Curve's recent volatility and inversion, the previously highly reliable & available data from the Treasury's website at Treasury's website xml ...
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2answers
104 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 ...
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1answer
36 views

How to fix this error at numerical integration?

I have this: ...
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74 views

Querying WolframAlpha from WolframScript

Is it possible to query WolframAlpha from a wolframscript query? The following yields $Failed: ...
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1answer
102 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 ...
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1answer
66 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: ...
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0answers
60 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 ...
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1answer
71 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? ...
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0answers
51 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 ...
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2answers
327 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 ...
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1answer
103 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 ...
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1answer
2k 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?
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1answer
131 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
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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 ...
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0answers
125 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, ...
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1answer
132 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 ...
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1answer
35 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|...
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4answers
262 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 ...
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1answer
150 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 ...
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1answer
64 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 ...
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1answer
1k 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: ...
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0answers
435 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+...
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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 ...
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1answer
755 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 ...
3
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1answer
124 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. ...
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0answers
65 views

WolframAlpha robustness

I am experiencing return values of Missing[NotAvailable] from WolframAlpha[], about 10% of the time. For some reason, this seems ...
2
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3answers
218 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 ...