Questions tagged [number-form]
The number-form tag has no usage guidance.
20
questions
1
vote
1answer
60 views
How to extract angle $0 \le \varphi < 2 \pi$ from a complex number $a + i \, b$?
Suppose you have a complex number of the standard shape $z = a + i \, b$ (where $a$ and $b$ are real numbers). How can we convert it to the polar shape $z = A \, e^{i \varphi}$? More specifically, I ...
1
vote
1answer
25 views
How to use Power with NumberForm?
Being in need of calculating the following numbers with 18 decimals of precision: $2^{2^{-x}}, x\in{\mathbb{N}}$.
I looked for what built-in symbols can help me and found Power and NumberForm. I tried ...
2
votes
2answers
107 views
13
votes
2answers
627 views
How to enter a repeating decimal in Mathematica
I don't understand how to manipulate numbers with repeating decimal in Wolfram Mathematica language.
For example 0.3... does not work as input and I don't see how ...
0
votes
0answers
62 views
Correct way to format numbers
I have defined the following function:
randvec[mag_]:= mag Normalize[Table[RandomReal[], {j, 1, 4}]]
I would like to format the numbers in the list so that they ...
2
votes
1answer
49 views
Concatenate a variable with a string
I have a little problem with a variable and a string. I built a game with a panel that shows a random word,the player clicks "Yes" if he knows the meaning and clicks "No" otherwise....
1
vote
1answer
39 views
Rounding Issue with a number containing “`”
I would like to round a number saved in a weird format (I have no idea what the "`" means, could someone explain?) to 3 digits:
...
0
votes
0answers
25 views
Specific number form to CForm to String
I am using a custom function to transform my expressions to a specific NumberForm but when I subsequently do ...
1
vote
0answers
51 views
Strange behavior of NumberForm with ScientificNotationThreshold option inside Dynamic
Using the ScientificNotationThreshold option inside NumberForm causes erroneous behavior and generates a mystifying error message when used inside Dynamic.
For example, running
...
1
vote
1answer
88 views
Number definition and approximation
I run these lines:
a = 0.833
SetPrecision[a, 20]
and this is the output:
0.833
0.83299999999999996270
I expected to ...
3
votes
1answer
82 views
Data in Atom Form
I am loading a dataset into Mathematica and the format is always recognized as an Atom String:
DS[All, 4]
...
0
votes
0answers
37 views
Why does NumberForm disturb the output of Rationalize? [duplicate]
I am currently using Rationalize after NumberForm in order to check if the some values of my function are in the ...
5
votes
1answer
66 views
Augment Export function to support custom number formatting
It's a shame that the Export framework provides no support for custom formatting of real numbers. Is it possible to augment the framework so that a "NumberForm" ...
0
votes
1answer
70 views
NumberForm with fixed width and exponent as “e+00” or “e-02”
I wish to export a matrix of real numbers out to a txt file in which the entries have the MatLab form:
...
3
votes
4answers
192 views
Why do I get badly formatted numerical results when I use StringForm?
The following example prints the square and cube of numbers from 0.5 to 6
...
2
votes
1answer
316 views
Decimal format in Mathematica exported output
I am using ReadList to read an input file as Table format, and exporting the results. The ...
3
votes
2answers
232 views
Print integer number fraction as string of numerator and denominator
I want to convert an integer number fraction as text with a certain font, size and color:
Example:
...
1
vote
1answer
2k views
Rounding a number to decimal places and keeping a trailing zero
It's often useful for me to round numbers to some decimal place for printing on a graph or figure. I usually do this by:
...
2
votes
2answers
145 views
How to avoid this type of change of digits in computed numbers?
Is there a way to avoid the digits being changed?
...
2
votes
2answers
149 views
Keep the format when output is copied and pasted
I have an output and I would like to copy and paste it into another .nb file.
When I copy paste using Ctrl+c and Ctrl+v. I get
When I copy paste using Ctrl+Shift+c and Ctrl+v. I get
Or When I use ...
