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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Is it possible in Mathematica to get a step-by-step evaluation of the following?

Is it possible in Mathematica (or WolframAlpha["...]") to get a step-by-step evaluation of the following? ...
1_student's user avatar
  • 605
0 votes
1 answer
38 views

WolframAlpha::kbserr: Request to knowledgebase server api.wolframalpha.com failed with error code 503 [closed]

It is all in the title. If I run WolframAlpha["2+2"], Mathematica returns the error ...
Cryme's user avatar
  • 133
2 votes
1 answer
103 views

Why does Wolfram|Alpha give inconsistent result for $\int_0^\infty \frac{e^{x-x^2}-e^{-x-x^2}}{x}~dx$? [closed]

Why Wolfram gives inconsistent result for : $$I=\int_0^\infty \frac{e^{x-x^2}-e^{-x-x^2}}{x}~dx$$ As shown in the picture below, the analytical integration gives $-i\pi$, but numerical integration ...
MathFail's user avatar
  • 183
5 votes
1 answer
334 views

Step by Step for Generalized Eigenvectors?

When I do WolframAlpha["Eigensystem[{{1,-3},{3,-5}}]", PodStates -> {"Step-by-step solution"}] It only shows steps for non-generalized ...
Moo's user avatar
  • 3,044
5 votes
2 answers
128 views

Adding Entities to AirportData[]

Mathematica's AirportData[] is hopelessly outdated. I'm trying to manually add entries for some common ICAO airport codes, such as OTHH (Doha) or FAOR (Johannesburg)...
Tomi's user avatar
  • 4,262
3 votes
1 answer
202 views

Shading an area enclosed by a loop

I am plotting the folium of Descartes as a parametric plot, and trying to find the arclength and the area enclosed by the loop. I got both of them covered result-wise, but my professor wants us to ...
Jakob's user avatar
  • 276
0 votes
0 answers
45 views

Get the data from wolfram

result = WolframAlpha["The force constant of the carbon monoxide molecule"] I obtained the data of the force constant through this code, and found ...
我心永恒's user avatar
  • 1,402
1 vote
0 answers
106 views

Run the latest Mathematica version without installing it

Is the solution just running mathematica on wolfram alpha? If so, how can one run a or part of a .nb code on wolfram alpha? I only know how to run a single line of code on it.
feynman's user avatar
  • 229
1 vote
0 answers
55 views

Has FinancialData forgotten how to deliver monthly data?

I seem to get odd results from the following FinancialData code: ...
Jagra's user avatar
  • 14.3k
1 vote
1 answer
194 views

Is there any hope to get the result faster if we use a supercomputer for the given problem?

If an operation in Mathematica (say, computing the determinant of a $88\times88$ parametric matrix) takes much time to be computed on a personal computer (core i7), say a week, then, is there any hope ...
charmin's user avatar
  • 1,159
1 vote
1 answer
115 views

Computing expectation with some constants [closed]

I would like to compute the following expression in Wolfram alpha: $$\mathbb{E}[X-max(aX+b,0)] $$ where $X\sim N(\mu,\sigma^2)$ and $a,b$ are some constants. Without constants, I can get the result ...
Wiles01's user avatar
  • 123
6 votes
1 answer
194 views

Exporting results containing Entities to JSON?

I am looking for a straightforward way to export results from functions like ImageContents, FacialFeatures, and WolframAlpha - symbols that return stuff containing knowledgebase content. Aside from ...
M.R.'s user avatar
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1 vote
1 answer
98 views

WolframAlpha XML parsing error

I am using the WolframAlpha command to automated solution sets of homework exercises. Here is an sample usage, although this can happen with many different examples:...
Aharon Naiman's user avatar
1 vote
1 answer
129 views

NSum::nslim: Limit of summation k is not a number. Help, please( [closed]

...
Casper's user avatar
  • 43
4 votes
1 answer
204 views

Empty .png figures generated by a function "PlotWithGrid" whereas no problem with Export function

I have an issue about a .wls script that I can't manage to solve for the moment. I execute it with wolframscript interpeter on ...
youpilat13's user avatar
0 votes
0 answers
80 views

How to access the data object returned from a Wolfram query?

I want to access information regarding the population of the world, over the last 10,000 years, and then visualize it with some annotations. In particular case, I want to: grab world population data ...
algal's user avatar
  • 113
0 votes
2 answers
100 views

Integral of the Poisson Kernal [closed]

I wish to solve the following definite integral: $\int^{b}_a P_r(\theta-\phi) d\phi$ ,where $P_r(\theta-\phi) = \frac{1-r^2}{1 + r^2 -2r cos(\theta - \phi)}$ is the Poisson kernel. This is something ...
Babaji's user avatar
  • 111
4 votes
1 answer
445 views

Why does MMA fail to find a solution but WA does?

I am looking for $n$, where $$\dfrac{2^{-3 n-2} \pi ^{n+1}}{(n+1)!}<\dfrac{1}{10000000000000000}$$ We can just test values of $n$ and find the smallest $n = 13$, or any $n \gt 13$ or can use ...
Moo's user avatar
  • 3,044
1 vote
0 answers
132 views

WolframAlpha website calculator powers

Would be surprised if this hasn't asked before. Also, not sure if tag is correct. With my graduation I lost access to the free university Mathematica. Today, I was too lazy to do a simple matrix ...
Hauke Reddmann's user avatar
-4 votes
2 answers
195 views

Wolfram Mathematica Code please [closed]

Consider two natural numbers of two-digits, like 46 and 96. They have the property that by exchanging the place of their digits and multiplying the so obtained numbers, we get the same product; i.e., <...
victoria lafontaine's user avatar
0 votes
0 answers
34 views

please help me resolve find what method gives me a result for this

I have this mathematic problem: (124164a/300b/2360/.85)+(124164a/25b/2360/.85)+(124164a/55b/2360/.85)=3.81=(a/b/2360/.85) And this is the result: a≈87.4514, b≈0.0114422 I payed for WolframAlpha Pro ...
ingalcala's user avatar
  • 101
0 votes
1 answer
70 views

Constructing Wolfram Alpha Query for Solar Position

When I use Mathematica calls to WolframAlpha, it clearly knows about the motion of the sun, so I can request the solar declination at any date/time: But I'm having great difficulty crafting a query ...
Michael's user avatar
  • 53
1 vote
1 answer
339 views

Density of water at a given temperature and pressure

In Wolfram|Alpha if I write: density water at 500°C and 100 atm instantly I read: 30.92 kg/m^3 (kilograms per cubic meter) ...
Monster's user avatar
  • 291
0 votes
0 answers
189 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 ...
hex93's user avatar
  • 103
1 vote
0 answers
495 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
Himu21's user avatar
  • 19
0 votes
0 answers
65 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? ...
BeTDa's user avatar
  • 480
3 votes
0 answers
102 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 ...
Jose Nuñez's user avatar
6 votes
2 answers
6k 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 ...
shoggananna's user avatar
2 votes
2 answers
571 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 ...
apri's user avatar
  • 23
2 votes
1 answer
208 views

Plot a sum of vectors using inline free format or wolframalpha. What is the hidden code?

Using Wolframalpha or inline free format you can obtain a nice representation of a sum of vectors. An example is shown below. Whish is the hidden code? (or a code that make the same representation). ...
Guillermo Sanchez's user avatar
1 vote
1 answer
118 views

General: 2456 is not a valid variable [closed]

... is not a valid variable i dont know whats happend
NONAME32's user avatar
1 vote
0 answers
95 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: $$\sum_{i=1}^{100}{\sum_{j>n}}{x_{i}x_{j}}$$
Andrey Stebenkov's user avatar
2 votes
2 answers
384 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 ...
Albert's user avatar
  • 121
1 vote
4 answers
178 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/...
Paul B. Slater's user avatar
1 vote
1 answer
460 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 ...
DUO Labs's user avatar
  • 231
0 votes
1 answer
1k 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 ...
Emad kareem's user avatar
4 votes
0 answers
64 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 ...
user13892's user avatar
  • 9,113
5 votes
0 answers
309 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 ...
user13892's user avatar
  • 9,113
1 vote
1 answer
46 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...
Boti's user avatar
  • 303
3 votes
1 answer
776 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: ...
vasili111's user avatar
  • 1,163
2 votes
0 answers
1k 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: ...
Gennaro Arguzzi's user avatar
2 votes
1 answer
201 views

WolframAlpha does not give stepwise solution for a simple twodimensional integral

Why does the behave this particular way: ...
Steffen Jaeschke's user avatar
0 votes
1 answer
77 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?
Philip Yeranosian's user avatar
1 vote
2 answers
982 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 ...
Math1000's user avatar
  • 111
3 votes
1 answer
211 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 ...
LA_Ross's user avatar
  • 31
2 votes
2 answers
530 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 ...
bilgamish's user avatar
4 votes
0 answers
130 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 ...
Jagra's user avatar
  • 14.3k
0 votes
2 answers
194 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 ...
joro's user avatar
  • 103
2 votes
1 answer
38 views

How to fix this error at numerical integration?

I have this: ...
user65725's user avatar
3 votes
0 answers
132 views

Querying WolframAlpha from WolframScript

Is it possible to query WolframAlpha from a wolframscript query? The following yields $Failed: ...
George's user avatar
  • 3,115