Mixture | powerful node-based tool | Graphics library
kandi X-RAY | Mixture Summary
kandi X-RAY | Mixture Summary
Mixture is a powerful node-based tool crafted in unity to generate all kinds of textures in realtime. Mixture is very flexible, easily customizable through ShaderGraph and a simple C# API, fast with it's GPU based workflow and compatible with all the render pipelines thanks to the new Custom Render Texture API.
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Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of Mixture
Mixture Key Features
Mixture Examples and Code Snippets
def main():
X, Y = get_data(10000)
print("Number of data points:", len(Y))
model = GaussianMixture(n_components=10)
model.fit(X)
M = model.means_
R = model.predict_proba(X)
print("Purity:", purity(Y, R)) # max is 1, high
Community Discussions
Trending Discussions on Mixture
QUESTION
I have an Aurora Serverless instance which has data loaded across 3 tables (mixture of standard and jsonb data types). We currently use traditional views where some of the deeply nested elements are surfaced along with other columns for aggregations and such.
We have two materialized views that we'd like to send to Redshift. Both the Aurora Postgres and Redshift are in Glue Catalog and while I can see Postgres views as a selectable table, the crawler does not pick up the materialized views.
Currently exploring two options to get the data to redshift.
- Output to parquet and use copy to load
- Point the Materialized view to jdbc sink specifying redshift.
Wanted recommendations on what might be most efficient approach if anyone has done a similar use case.
Questions:
- In option 1, would I be able to handle incremental loads?
- Is bookmarking supported for JDBC (Aurora Postgres) to JDBC (Redshift) transactions even if through Glue?
- Is there a better way (other than the options I am considering) to move the data from Aurora Postgres Serverless (10.14) to Redshift.
Thanks in advance for any guidance provided.
...ANSWER
Answered 2021-Jun-15 at 13:51Went with option 2. The Redshift Copy/Load process writes csv with manifest to S3 in any case so duplicating that is pointless.
Regarding the Questions:
N/A
Job Bookmarking does work. There is some gotchas though - ensure Connections both to RDS and Redshift are present in Glue Pyspark job, IAM self ref rules are in place and to identify a row that is unique [I chose the primary key of underlying table as an additional column in my materialized view] to use as the bookmark.
Using the primary key of core table may buy efficiencies in pruning materialized views during maintenance cycles. Just retrieve latest bookmark from cli using
aws glue get-job-bookmark --job-name yourjobname
and then just that in the where clause of the mv aswhere id >= idinbookmark
conn = glueContext.extract_jdbc_conf("yourGlueCatalogdBConnection")
connection_options_source = { "url": conn['url'] + "/yourdB", "dbtable": "table in dB", "user": conn['user'], "password": conn['password'], "jobBookmarkKeys":["unique identifier from source table"], "jobBookmarkKeysSortOrder":"asc"}
datasource0 = glueContext.create_dynamic_frame.from_options(connection_type="postgresql", connection_options=connection_options_source, transformation_ctx="datasource0")
That's all, folks
QUESTION
I am trying to make a next-word prediction model with LSTM + Mixture Density Network Based on this implementation(https://www.katnoria.com/mdn/).
Input: 300-dimensional word vectors*window size(5) and 21-dimensional array(c) representing topic distribution of the document, used to train hidden initial states.
Output: mixing coefficient*num_gaussians, variance*num_gaussians, mean*num_gaussians*300(vector size)
x.shape, y.shape, c.shape with an experimental 161 obserbations gives me such:
(TensorShape([161, 5, 300]), TensorShape([161, 300]), TensorShape([161, 21]))
...ANSWER
Answered 2021-Jun-14 at 19:07for MDN model , the likelihood for each sample has to be calculated with all the Gaussians pdf , to do that I think you have to reshape your matrices ( y_true and mu) and take advantage of the broadcasting operation by adding 1 as the last dimension . e.g:
QUESTION
Let's say I have something like this
Controller
usesService
.Service
hasHistory
,Source
andHttpClient
.Source
hasSourceRepository
andid
.Source
is only useful for other objects after fetching information fromSourceRepository
.
History
hasHistoryRepository
andSource
.
Below is a mixture of PHP + pseudocode (for the sake of simplicity) to ilustrate this scenario.
...ANSWER
Answered 2021-Jun-10 at 15:45After reading more about Dependency Injection, Inversion of Control and Composition Root (quite awesome read by the way, suggested by @Steven), I understood what has to be done in my case.
So regarding my questions:
Should all object building really stay in the highest level, in this case the Controller?
The part about highest level is correct, the rest isn't. The best place to do the object building, also called object graph is in the Composition Root, which is very close to the entrypoint of the application and/or specific route.
Composition Root is a logical layer and it's only responsibility is composing the object graph. It may be a separate class and/or function. Although it may be in the same file as another thing, it is still a separate layer. (Read this link again).
So in my case, what I'll do is before I get to the controller, I'll create a separate Composition class that will create everything necessary and inject only the Service
to the Controller
, so it can call $service->send()
.
If I was to use a Dependency Injection Container, I think it wouldn't be able to instantiate Source because of id. How should I solve this?
Incorrect. Dependency Injection Containers do have a way to instantiate classes with dynamic parameters such as scalar values or other.
QUESTION
In Python, I do some SymPy calculations that yield an array full of polynomials such as:
a*(a*(a*(a + b) + b*(a + b)) + b*(a*(a + b) + b*(a + b))) + b*(a*(a*(a + b) + b*(a + b)) + b*(a*(a + b) + b*(a + b)))
Note that this example happens to simplify to (a+b)**4, but this won't always be the case obviously. So how do I convert this expression to the following form:
c_1*a**4 + c_2*a**3*b + ... + c_n*b**4
And once I have such an expression, how would I extract the exponents c_1, ..., c_n? All I have is the .exp command, but it only works on expressions of the form a**n (i.e. no mixture of a and b and a coefficient of 1).
Any help would be majorly appreciated.
...ANSWER
Answered 2021-Jun-08 at 14:22The Poly class is useful (running with isympy
)
QUESTION
I'm writing a program to take a json formatted file and create a proxy PAC file. One of the challenges I've encountered is that the json file contains a mixture of data which is not neatly organized. I would like to summarize the data like so:
Input data:
ANSWER
Answered 2021-Jun-08 at 03:42I could only come up with a pretty messy way to do this, but I'll try to explain with comments.
QUESTION
I try to train two DNN jointly, The model is trained and goes to the validation phase after every 5 epochs, the problem is after the 5 epochs it is okay and no problem with memory, but after 10 epochs the model complains about Cuda memory. Any help to solve the memory issue.
...ANSWER
Answered 2021-Jun-02 at 15:11Don't use retain_graph = True
on the second backwards pass. This flag is making your code store the computation graphs for each batch, conceivably in perpetuity.
You should only use retain_graph
for all but the last call to backward()
that back-propagate through the same variables/parameters.
QUESTION
I set myself this task to help learn variadic templates. The function add_and_cat()
should take first a pair, then a variable number of ints or strings or a mixture. As it encounters these recursively, it should subtract each int from pair.first, and concatenate each string onto pair.second. The function pp just prints the pair.
It seems to work in many cases, but in others I get a compile error claiming no matching function (at the bottom) ... even though there seems to be only one perfectly obvious candidate as far as I can tell :/ I've played around and tried to reason it out but ... no luck yet. What am I missing?
-------------------------- Code: ----------------------------
...ANSWER
Answered 2021-May-31 at 21:23It fails when the int
overload has to call the string
overload, ie when an int
parameter preceeds a string
one. You have to declare the function before you can call it:
QUESTION
I was preparing for Java Certification Exam and there are few scenarios which gets very complicated sometimes when to comes to a mixture of polymorphism, Inheritance, overloading, overriding, Generics as well as Casting.
I am stuck with understanding these examples mentioned below :
...ANSWER
Answered 2021-Jun-01 at 15:04In Java, each object (which includes arrays) has a type that is determined upon construction, e.g. using the new
operator. This type never changes.
Variables only contain references to objects. Think of a remote control. You can refer to an object using a variable having a broader type, i.e. the type of a superclass or interface of the object. But this doesn’t change the type of the object itself.
Therefore, when you invoke an overridable method, you will always invoke the most specific method of the object’s actual type. Further, a type cast will succeed if the object’s actual type is compatible. The variable’s reference type does not tell whether the type cast will succeed, as otherwise, we wouldn’t need the runtime check at all¹.
When you initialize a variable like
QUESTION
As part of a new project I'm trying to integrate authentication with a React app and a .NET 5 API using Azure AD B2C. I'm almost there, I think, but when making the request I get back a 401 message with "Bearer error="invalid_token", error_description="The signature is invalid".
- I've registered the API and React app in Azure AD B2C.
- I've given permission to the API from the React app.
- I've created a test scope to start
- I can sign in to my React app and I'm given a bearer token.
- If I inspect the token I can see the audience is my API with the client Id.
- If I make the request, it's passing the token to the API as it should I believe.
In my Startup.cs, I have it defined like so:
...ANSWER
Answered 2021-Jun-01 at 06:32If you want to use Net Core Web API with Azure AD B2C, we need to update appsetting.json as below
QUESTION
I'm doing animal studies and using automated operant boxes that output massive csv files, I've got multiple animals running multiple sessions per day and so in order to make sense of my data I loop through multiple csv files and extract relevant data to a separate excel file. I managed to make almost all of the the code dynamic except for one crucial bit: I have to assign subject IDs to multiple ranges of rows that correspond to that subject's data.
The way I'm currently doing it is first extracting a list of [ID]'s of 16 subjects in the order the they were run on that day and then creating a new session order column in my dataframe that tells which session the data is for. Then I've made a blank 'ID' column to which I then manually assign each range of rows from session one to the first element in the [ID] list, then the session 2 to second element and so on, here is the code example:
...ANSWER
Answered 2021-May-25 at 13:53You should just create a map from session number to ID.
Assuming your sessions will always be numbered starting at 1, this would work:
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
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Install Mixture
Open the Project Settings and go to the Package Manager tab.
In the Scoped Registry section, click on the small + icon to add a new scoped registry and fill the following information:
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Next, open the Package Manager window, select My Registries in the top left corner and you should be able to see the Mixture package.
Click the Install button and you can start using Mixture :)
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