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.,46...
View ArticleWolframAlpha 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...
View ArticleWhy 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 various...
View ArticleIntegral 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 I...
View ArticlePlot a sum of vectors using inline free format or wolframalpha. What is the...
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). I...
View ArticleHow 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 over...
View ArticleNSum::nslim: Limit of summation k is not a number. Help, please( [closed]
f[x_] = x^4; a = -1; b = 1; L = 1; gr = Plot[f[x], {x, a, b}, PlotRange -> {{a, b}, {-0.2, 1}}, PlotStyle -> {Hue[0.02], Thickness[0.007]}];a0 = 1/L \!\(\*SubsuperscriptBox[\(\[Integral]\),...
View ArticleEmpty .png figures generated by a function "PlotWithGrid" whereas no problem...
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 command line :A function PlotWithGrid has been coded this way...
View ArticleWhy doesn't Mathematica provide an answer while Wolfram|Alpha does,...
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 SumConvergence[1 - Cos[Pi/n], n] simply was repeating the...
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 ->...
View ArticleWolframAlpha 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...
View ArticleHow 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...
View ArticleHas 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 ArticleGet 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 that this data belongs to "Result",So I changed the...
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...
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