Questions tagged [free-form-input]
The free-form-input tag has no usage guidance.
31
questions
1
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How to display the code generated from Free Form Input(=)?
It seems like not all results output from Free Form Input provide the exact code that was used. For example here you can see that only code for "density of air" was output:
In the other ...
0
votes
0
answers
29
views
Safely coercing units from Wolfram|Alpha freeform input
How do I coerce unexpected units from free-form input? For instance, if I request the binding energy of hydrogen I expect an answer with dimensions of energy. Instead I get
...
1
vote
0
answers
492
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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
1
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0
answers
54
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How can I get an entity from Wikipedia without using "=", while iterating through a list?
I have a list of entities from Wikipedia. I'd like to get the "entity" e.g. when I do something like:
= Elon Musk
I get:
But now I want to iterate through a list of entities, e.g. {Elon Musk, ...
2
votes
0
answers
125
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Why free form does not shows exact code?
Edit: more example added
I am reading "Hands-On Start to Wolfram Mathematica: And Programming with the Wolfram Language 2nd. Edition".
From the page 27:
If I run in free input:
...
3
votes
1
answer
774
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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:
...
2
votes
1
answer
84
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How to change list type from CountryData to regular text? [closed]
When you access a list of countries from CountryData the outputs are boxed and is not normal text. How do I convert the type of items inside the list so I can modify the style?
For example I have:
<...
2
votes
1
answer
49
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Yet more on Manipulate[] - Formated Input
Suppose I have something like
Manipulate[Plot[Sin[n x], {x, -Pi, Pi}], {n, 20, "Frequency"}]
with a manual input field but I want to accept inputs like ...
1
vote
1
answer
244
views
How to make an input for a Piecewise by Palettes?
How to make the input using the { as it is shown in the top of the question? I mean, how can make the array?
By default in the "special character section" appears an option 2x2 (Typographic ...
1
vote
1
answer
89
views
From Free-Form linguistic input to function expression to calculate spheroid surface
I need to calculate the surface area of an oblate spheroid. My first step is to get the surface equation from Free-Form input. But I have trouble converting to a WM function and replace the focus ...
14
votes
1
answer
275
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What to expect from Interpreter["Expression"]?
Sometimes it works ok
Interpreter["Expression"]["1"]
1
sometimes not:
Interpreter["Expression"]["Graphics[{}]"]
Why ...
5
votes
4
answers
233
views
Determine whether some expression contains a symbol doing nothing?
I have expression like this:
expr = xuyz;
then
Head[expr] = xuyz
But I wanted the product of four factors, so it should ...
0
votes
1
answer
979
views
How can I get Mathematica to show me how to integrate an integral? [closed]
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 ...
2
votes
1
answer
182
views
Free form input in terminal?
I am using Mathematica 8. Is there a way to use free form input through the terminal? Using the notebook is not an option for me.
I want to do things like "optimize x^2 on [1, 4]" without having to ...
2
votes
2
answers
439
views
How to use the free form in mathematica 10 to give me as input the tempratures in a specific place?
How to use the free-form in mathematica to give me the tempratures in a specific place in the world from specific timeline?
What should write in the command line?
Thanks.
11
votes
2
answers
956
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Difference between = and Ctrl + =
What is a difference between $\textbf{=}$, and Ctrl + $\textbf{=}$?
For instance
there are some examples, but result is same.
and
3
votes
1
answer
238
views
How to get free-form linguistic input to act on a previous output?
It seems that Mathematica is capable of taking free-form input that acts on previous outputs (see "separate color channels"), but I'm having trouble getting it to work in my case.
I've got ...
2
votes
0
answers
257
views
Substitute for 'InputField' in Wolfram Demonstration
My application relies on the ability of users to enter text, and has several settings with a huge range of potential values best entered as strings (to comply with Wolfram's admonition to "choose your ...
1
vote
1
answer
136
views
Importing data from files designated in an InputString dialog box
I want to use a loop to input several strings which will be used to import a file. The number of strings to be imported will vary, so the loop should recognize the number of strings and stop after ...
10
votes
1
answer
671
views
How can I disable the "convert to freeform linguistic input" dialog box?
So I'm putting in some function, busy typing away. Then after I've entered some text, I pause for a few seconds. In this time, the notebook pops up the question "Convert to Free-Form Linguistic ...
4
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0
answers
532
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Does Mathematica compute free-form-input on Wolfram servers?
I've just started to use Mathematica and I'm using the free-form input a lot. The computation time for simple problems seems to take a lot of time and my CPU isn't really used at all. I first thought ...
2
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4
answers
328
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How to limit the argument to binary type in mathematica function
How do I write a function that only takes binary input?
5
votes
1
answer
455
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Using free-form linguistic input in a dynamic input field
I've been playing around with dynamic input fields; here's a basic example, which just consists of an input field where the user can enter a function and then a button that can be clicked to graph the ...
2
votes
1
answer
792
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How to apply a free-form input Function using InputField
I am trying to take a free-form input Function to create a list using NestList.
...
6
votes
1
answer
558
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How to import non-text data from std input in a Mathematica script?
Or maybe a better question is - how can I get a stdin stream? I need to run on Linux.
I did look at Reading from STDIN, or: how to pipe data into Mathematica, but ...
2
votes
1
answer
789
views
3rd derivative keyboard shortcut
For a long time i've evaluated D[f[t],{t,3}] to get this power-like derivative thing:
$$f^{(3)}(x)$$
Is it possible to obtain same through an easier keyboard ...
6
votes
1
answer
433
views
Under what conditions does FinancialData return a ::notent message?
I tried retrieving FinancialData for a few companies but when I tried doing it for NTDOY, I couldn't. As of 25/12/2012, querying
...
38
votes
3
answers
3k
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Automatically check student answers in tests
I am a physics teacher and I am looking for a way to create homework assignments within Mathematica so that each problem has an input field that students can use to check their answers.
For example, ...
12
votes
6
answers
12k
views
Notation of partial derivative
I want to write partial derivatives of functions with many arguments. Why is it that when I type
f[x,y] ctrl+6 (0,1)
it turns out to be bad syntax? The output of
...
9
votes
3
answers
971
views
Ctrl+= opens the alpha input instead of below-script
When trying to type "traditional style" inputs such as integrals or sums, I follow the tutorial and type
Esc sum Esc Ctrl+= n=1 Ctrl+% 10 whatever
However, when I type Ctrl+= it opens ...
4
votes
2
answers
613
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How to extract and assign output of Free-Form input to a variable?
Selecting a Free-Form input cell with the mouse I can query something like:
convert 1 atm to pascals
and get as a result
...