Stim | A fast stabilizer circuit library
kandi X-RAY | Stim Summary
kandi X-RAY | Stim Summary
Stim is a tool for high performance simulation and analysis of quantum stabilizer circuits, intended to help with research into quantum error correcting codes. Stim can be used as a python package (pip install stim), as a command line tool (built from source in this repo), or as a C++ library (also built from source in this repo).
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Stim Examples and Code Snippets
Community Discussions
Trending Discussions on Stim
QUESTION
I am looking to form a ranking that is dependent on a pairing. So say i have a matrix
...ANSWER
Answered 2021-May-03 at 15:50Here is an idea.
The main thought is, less losses (loss = another stim was chosen) means higher rank. So stims always chosen get rank 1, stims never chosen got last rank. Therefore I created a column diff
, indicating who got chosen more often. Positive diffs mean stim1
got chosen more often, negative diffs mean stim2
got chosen more often. And then I sumed the times a certain stim lossed (wasn't chosen over another stim). In the end stims with 0 losses (stim was always chosen) got rank 1, and for each loss the stim ranked one step below.
Code
QUESTION
A very basic question about merging interchangable columns.
Say I have a table
...ANSWER
Answered 2021-May-03 at 07:56Here is a data.table
approach.. could not reproduce your desired output, since it contains values that are not in your sample data?
QUESTION
Note: This is a question relating to mouse EEG data plotting.
I made a plot showing the averaged trial signals for filtered EEG electrode channels. While plotting this I saw a few signals that I want to exclude from my plot, but I don't have a way to tell what channels were plotted. Is there a way to add something that would allow me to click on or hover over one of the plotted lines/channels and have my jupyter notebook tell me what channel I clicked/am hovering over?
This is the plot I am hoping to make clickable:
Here is the code I used to make the plots if that's helpful:
...ANSWER
Answered 2021-Apr-16 at 22:55You can add a label to each of the curves and then use mplcursors to show an annotation while hovering (or when clicking with hover=False
).
Note that to have an interactive plot in a Jupyter notebook, %matplotlib notebook
(this might depend on how Jupyter is installed) is needed instead of just %matplotlib inline
(which generates static images). See Docs.
Here is an example showing the general idea with some test data:
QUESTION
All I want to do is rename the values in my dataframe. This code works but I'd like to figure out how to condense all this line of code to maybe just 1 line instead.
I'm using the fmri sample set from the seaborn library.
...ANSWER
Answered 2021-Mar-23 at 01:14If you want a more generalized/elaborated replacement, bear in mind DataFrame.replace
also takes a dict
as a parameter:
QUESTION
I am having a challenge with my project.
I need to retrieve sales transactions between set dates and time. e.g (From 2:00 Pm on 1/3/2021 To 8:00 Am 2/3/2021).
This is a VB.net 2015 with SQl Server 2012.
The dates are provided by the Datetime Picker tool, and the associated SQL column type is "Datetime" (2021-03-02 16:27:33.233).
Here is what i have tried:
...ANSWER
Answered 2021-Mar-02 at 17:12At a complete guess, but I am guessing that what you are saying is that data for the last date is missing. For example, if you select 2021-01-01
and 2021-01-31
for your input parameters, a row with a value of 2021-01-31T17:00:00
is not being returned.
The reason for that is quite simple, because 2021-01-31T17:00:00
is not BETWEEN
the values 2021-01-01
and 2021-01-31
; as 2021-01-31
is effectively 2021-01-31T00:00:00
.
When dealing with date and time values, you are better off using date explicit date boundaries with >=
and <
. This means your query should probably be the following:
QUESTION
The p-values for the contrasts I am running are not being converted correctly to a data.frame. Why is this and how do I fix it?
Console output for emmeans:
...ANSWER
Answered 2021-Mar-14 at 21:46The different p-values you are seeing reflect unadjusted p-values vs p-values that were adjusted for multiple comparisons.
The ?emmeans::pairs
documentation tells us:
Ordinarily, when simple is a list or "each", the return value is an emm_list object with each entry in correspondence with the entries of simple. However, with combine = TRUE, the elements are all combined into one family of contrasts in a single emmGrid object using rbind.emmGrid.. In that case, the adjust argument sets the adjustment method for the combined set of contrasts.
So, with your reproducible example, you can combine all the simple main effects into one data frame with the combine
argument set to TRUE
. And you can choose between unadjusted vs adjusted p-values by setting the adjust
argument.
QUESTION
I guess this is an easy question,but I am quite newbie to Prolog.
My problem is : I have a predicate as input, let's call it InputPredicate : father(Paul, john).
I have a knowledge base with these predicates :
...ANSWER
Answered 2021-Mar-15 at 21:32So, you want to have a predicate that takes a structure as argument and that should do two things:
- call all goals matching stim(Structure, _)
- delete all clauses headed by
stim(Structure, Options)
, wheredelete
is a member of Options from the database.
First of all, you need stim to be dynamic, otherwise clauses can't be dynamically added to/deleted from the database:
QUESTION
I have a function 'plot_rdm', which creates a plot and saves it as 'rdm.png'. I want several of these plots to be formed, each using a different .json file - so I have the function plot_rdm saved in 'plotrdm.py'.
In the saverdm.py file - I defined the filepath of the .json file I want to create a plot from and then called the plot_rdm function, looping over all of the files I want to create a plot from:
...ANSWER
Answered 2021-Jan-03 at 19:07When you want to call a python function from another file, you should not try to run another python process by calling os.system
. Just import that function:
from plotrdm import plot_rdm
Instead of using os.filewalk
and a file.startswith
check, we can cleanup the code a lot by using the nice python library glob
. I throw in a enumerate
for good measure.
Your new rdmsave.py
QUESTION
I'm trying to use a vector in combination with "pack_rows" in kable (or "group_rows" - whichever works), to consistently 'group' a pre-defined number of rows.
I have a character vector called "stimuli_list", ordered alphabetically, containing the names of many individual items (e.g. "anchor", "apple", "ashtray") - too many to define one by one. For each of these individual items, I have 6 rows of corresponding data in a separate df (also arranged alphabetically). I want to group, or pack, all 6 rows of data under the single item label they correspond to. My desired output would look like:
...ANSWER
Answered 2020-Dec-15 at 15:30Your a
represents 10 different stim
s, yet your b
only seems to look at 2 of them (anchor
and apple
). Further, table(a)
is only going to return lots of 1
s, so kable
is only going to group one row at a time.
The mechanism we need it to be able to identify somehow the anchor
in anchor1-photo-colour
to extract that. If there is a means to do this without regexes earlier in your generation of b
, then it might be better to do it there, since regexes can introduce problems if done incorrectly.
If we assume that all anchor[0-9].*
photographs are concurrent (and same for other stim
s), then we can do something like this:
QUESTION
I have a data.frame of calculated means and their respective standard errors
...ANSWER
Answered 2020-Dec-06 at 17:41Maybe try this approach:
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