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:WolframAlpha["limit (1 +...
View ArticleExporting 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...
View ArticleComputing 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...
View ArticleIs there any hope to get the result faster if we use a supercomputer for the...
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...
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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 notebook, or person curve into...
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Has FinancialData forgotten how to deliver monthly data?
I seem to get odd results from the following FinancialData code:FinancialData["SP500", "Jan. 1, 1978", "Month"]This gives me a TimeSeries of 11,372 "Daily" data points.I expected to get ~460 "Month"...
View ArticleRun 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.
View ArticleDisagreement between FindGeoLocation and Alpha: "Where Am I?"
While trying to estimate a user's location in a notebook, I noticed that FindGeoLocation[] was extremely inaccurate. I realize that it uses an IP lookup to make this estimate, but the location it has...
View ArticleShading 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...
View ArticleAdding 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Mathematica's AirportData[] is hopelessly outdated.I'm trying to manually add entries for some common ICAO airport codes, such as OTHH (Doha) or FAOR (Johannesburg)store = EntityStore["Airport" ->...
View ArticleStep 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 eigenvectors.Is there any way to get the step by step from WA...
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Why does Wolfram|Alpha give inconsistent result for $\int_0^\infty...
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 gives...
View ArticleInteractive steam tables and phase diagrams in Mathematica
I teach an undergraduate course in Thermodynamics and I would love to use Mathematica to demonstrate the various engineering processes that involve the expansions and compressions of steam and common...
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A femme is a wife is a Frau
As can be seen fromLanguageData["Properties"] // MulticolumnMathematica's translation capabilities seem to be very limited. It can translate month names, colors and numbers, but, apparently, not...
View ArticleWolframAlpha::kbserr: Request to knowledgebase server api.wolframalpha.com...
It is all in the title. If I run WolframAlpha["2+2"], Mathematica returns the error WolframAlpha::kbserr: Request to knowledgebase server api.wolframalpha.com failed with error code 503. What is...
View ArticleIs 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? f[n_, x_] := Sum[(-1)^m (n!/(m! (n - 2 m)!)) (2 x)^(n - 2 m), {m, 0, Floor[n/2]}]f[3, x]
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Converting WolframAlpha Output to Markdown
I am calling Wolfram Alpha using WolframScript. That is, I can't display all the beauty that is inserted into Wolfram Mathematica Notebook. Let's say I execute a line like this:result =...
View ArticleIs there an issue with calls to WolframAlpha from Mathematica?
I was trying to use the step by step to get a solution to an integral, but it was failing, so I tried an even simpler example from the Wolfram documentation WolframAlpha["what is the distance to the...
View ArticleWhy does Wolfram|Alpha give a different answer for the derivative of the...
Consider the function $f(x)=\sqrt[3]{x^2}$. To find $f'(x)$, I use the rule $\color{red}{\boxed{\color{black}{\large\big(\sqrt[n]{u^m}\big)'=\frac{mu'}{n\sqrt[n]{u^{n-m}}}}}}$. Therefore $\boxed{\large...
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Recreating map from Wolfram|Alpha with GeoGraphics
I have tried to create a map using GeoGraphics, and I have not been able to get one with the same quality as the result Wolfram|Alpha gave me.WolframAlpha["distance between eeuu and north korea",...
View ArticleWolfram|Alpha is unable to evaluate this improper integral
I want to solve this integral$$\int_{0}^{\frac{\pi}{2}} e^{-(\pi \tan(x) - 1)^2} \, dx$$I tried Wolfram alpha but it is unable to evaluateI tried this codeIntegrate[Exp[-(Pi*Tan[x] - 1)^2], {x, 0,...
View ArticleInitial 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,+∞]$$ \begin{cases} y'' -...
View ArticleProblem to plot GDP data coming from Wolfram Alpha
I'm working with economic data and realized that I could extract it directly from WolframAlpha using _Mathematica.So I did it. I extracted the GDP data of the country I'm studying.nominal =...
View ArticleCan I get LLM optimized output using WolframAlpha function in Mathematica?
Can I get LLM optimized output using WolframAlpha function in Mathematica? I want to use simple text output from Wolfram Alpha withoud complex pods. I know that this is available by API, but I didn/t...
View ArticleCan Mathematica solve $\int...
Can Mathematica solve integral $(1)$?$$\int \frac{\cot^2\left(\frac12\sec^{-1}(x)\right)}{\sqrt{\tan\left(\frac12\csc^{-1}(x)\right)}} \, dx.\tag{1}$$This isIntegrate[Cot[1/2 ArcSec[x]]^2 /...
View ArticleAccessing WolframAlpha in Code
I hope this isn't too obvious of a question, but I've looked around and can't find what I am looking for.The problem: I have a list of data - in this case it's my album collection. The list is simple -...
View ArticleProblems getting clean sunrise, sunset, civil, nautical and astronomical...
If in a notebook you enter: WolframAlphaResult["Sunrise june 25, 2013", {{"DaylightInformation", 1}, "ComputableData"}, PodStates -> {"DaylightInformation__More"}] you get:{{"begin astronomical...
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How Do I Get Rid of the Natural Language Processing?
I'm using the free version of WolframCloud. I come back to it maybe two or three times a year, and it's nice (or was until they decided to lock everything I'd done more than 60 days old behind a...
View ArticleDiscrepancy in Calculating Trace Expression for Fermion Scattering Using FeynCal
I am writing a code in Mathematica using the FeynCalc package to calculate an expression ( Y_1 ) that is required to evaluate the differential cross-section for the scattering of two massless fermions...
View ArticleStep by step solution of a differential equation - Call Wolfram|Alpha in...
I know that it's possible to get the step by step solution of a differential equation calling Wolfram in Mathematica. For example:WolframAlpha["L*x'+R*x=Sqrt[(sin(t))^2] and x(0)=0", PodStates ->...
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