Linked Questions
12 questions linked to/from How do you round numbers so that it affects computation?
5
votes
2
answers
172
views
N not behaving in the way I expected it would [duplicate]
I'm trying to use the N function to find the percent error between a function and a rounded value of that function. The code looks something like this.
...
- 153
6
votes
1
answer
573
views
Calculations after NumberForm [duplicate]
As specified in documentation center the functions AccountingForm, NumberForm, etc. are useful only to display numbers in ...
- 61
2
votes
0
answers
140
views
Rounding to the nearest decimal [duplicate]
If I have a bunch of numbers in a list {1.435243523432,2434.2321321412,5.8239897,...}, without multiplying everything by some power of ten and then dividing by that ...
- 21
9
votes
2
answers
3k
views
A problem about function N
Toady,I have a problem about N,described as below:
For example
N[1/3, 5]
(* ==> 0.33333*)
and ...
- 655
9
votes
3
answers
418
views
Strange behavior of MemberQ, Position
After importing an array of latitudes and longitudes and trying to find the position of some latitudes I was encountered with an unexpected problem since certain values could not be found for some ...
- 93
4
votes
3
answers
3k
views
Permanently rounding numbers/values to a given number of significant figures
I am searching for a simple way of rounding and setting an input to a desired number of significant figures. There are a vast number of posts that discuss similar problems, but none address this issue....
3
votes
3
answers
3k
views
Rounding to the nearest decimal and pasting such output into an Input cell
This question is very closely related to two earlier ones:
Rounding to the nearest decimal
and
How do you round numbers so that it affects computation?
but confronts an additional issue not ...
- 42.3k
4
votes
3
answers
4k
views
Rounding numbers to certain numbers of significant figures
I have code which outputs numbers, for example,(0.2945847, 0.8647834, 1.6*10^-6) and similar. I would like to take these numbers and round them to 4 significant figures, but I can't find a way to do ...
- 43
5
votes
2
answers
375
views
How to prevent Round with hidden fractions
I found a strange behavior in Round. If we try:
ToString[Round[4.811, 0.01], InputForm]
we get:
4.8100000000000005
When I expected
4.81
In order to get ...
- 26.4k
0
votes
1
answer
80
views
How to switch a number back from AccountingForm? [closed]
I am working with a function that returns output in AccountingForm format. I would like to do math with that output, but Mathematica does not recognize it as ...
- 4,715
1
vote
2
answers
59
views
Truncating digits after calculation
I am working on numerical solutions to PDEs. I get some outputs which I then place back into the original equation to check my answers against expected values which are the original inputs. The ...
- 23
0
votes
0
answers
35
views
N[variable,2] displays 6 digits [duplicate]
The following code doesn't behave as I expect. Rather than getting 2 digits upon varying r, I get the default value of 6 digits. What's up?
...
- 1,206