On 19/01/2015 00:55, Steven D'Aprano wrote:
On Sun, Jan 18, 2015 at 02:20:55PM -0800, Danny Yoo wrote:
Just to add, log(0) is mathematically undefined.
https://en.m.wikipedia.org/wiki/Logarithm.
For the record, IEEE-754 specifies that log(0.0) should return -INF.
That's what Decimal does:
py
On Sun, Jan 18, 2015 at 02:20:55PM -0800, Danny Yoo wrote:
Just to add, log(0) is mathematically undefined.
https://en.m.wikipedia.org/wiki/Logarithm.
For the record, IEEE-754 specifies that log(0.0) should return -INF.
That's what Decimal does:
py from decimal import Decimal
py
On 18/01/15 13:20, Sydney Shall wrote:
I am a beginner and I have a question of syntax.
Please don't hijack an existing thread.
Simply changing the subject line is not enough.
Always send a new mail to tutor@python.org to
start a new discussion.
Otherwise the new discussion gets interleaved
On 18/01/2015 13:20, Sydney Shall wrote:
I am a beginner and I have a question of syntax.
I am just learning to use list comprehension, which oc course, I find
very helpful indeed.
However, I am stuck with a specific problem of how to incorporate an
else in a list comp-rehension. I cannot do
On Sun, Jan 18, 2015 at 6:50 PM, Sydney Shall s.sh...@virginmedia.com
wrote:
I am a beginner and I have a question of syntax.
Welcome!
I am just learning to use list comprehension, which oc course, I find very
helpful indeed.
However, I am stuck with a specific problem of how to
On 18/01/15 13:20, Sydney Shall wrote:
The problem is I am occasionally getting exactly zeros when I need to
obtain the logarithm of the number.
for i in range(len(cap)):
Its usually better to iterate over the collection rather than use indexing:
for item in cap:
if cap[i] ==
I am a beginner and I have a question of syntax.
I am just learning to use list comprehension, which oc course, I find
very helpful indeed.
However, I am stuck with a specific problem of how to incorporate an
else in a list comp-rehension. I cannot do it.
The following snippet of code does
On 18/01/2015 13:41, Asokan Pichai wrote:
On Sun, Jan 18, 2015 at 6:50 PM, Sydney Shall s.sh...@virginmedia.com
mailto:s.sh...@virginmedia.com wrote:
I am a beginner and I have a question of syntax.
Welcome!
I am just learning to use list comprehension, which oc course, I
find
Just to add, log(0) is mathematically undefined.
https://en.m.wikipedia.org/wiki/Logarithm.
So depending on the problem's context, it might be worth asking why log is
being applied on this input. Is such input expected? Make sure the code
isn't trying to correct for input that shouldn't be