theseus | theseus provides functions to assist in the analysis | Data Visualization library
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kandi X-RAY | theseus Summary
theseus provides functions to assist in the analysis, visualization, and interpretation of community composition data, especially those originating from amplicon sequencing.
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QUESTION
I am working on a object storage project where I need to understand Reed Solomon error correction algorithm,
I have gone through this Doc as a starter and also some thesis paper.
1. content.sakai.rutgers.edu
2. theseus.fi
but I can't seem to understand the lower part of the identity matrix (red box), where it is coming from. How this calculation is done?
Can anyone please explain this.
...ANSWER
Answered 2020-May-23 at 14:08The encoding matrix is a 6 x 4 Vandermonde matrix using the evaluation points {0 1 2 3 4 5} modified so that the upper 4 x 4 portion of the matrix is the identity matrix. To create the matrix, a 6 x 4 Vandermonde matrix is generated (where matrix[r][c] = pow(r,c) ), then multiplied with the inverse of the upper 4 x 4 portion of the matrix to produce the encoding matrix. This is the equivalent of "systematic encoding" with Reed Solomon's "original view" as mentioned in the Wikipedia article you linked to above, which is different than Reed Solomon's "BCH view", which links 1. and 2. refer to. The Wikipedia's example systematic encoding matrix is a transposed version of the encoding matrix used in the question.
https://en.wikipedia.org/wiki/Vandermonde_matrix
The code to generate the encoding matrix is near the bottom of this github source file:
QUESTION
I have a bunch of checkboxes on a page, and all of those are conditionally visible, and the Top
position is defined relative to the previous checkbox, e.g.
ANSWER
Answered 2020-Apr-23 at 07:13Use TInputOptionWizardPage
, which is designed for this kind of tasks/layouts. Create it using CreateInputOptionPage
.
Use TStringList
(or array of string
) to maintain association between the created checkboxes and the paths.
QUESTION
I have python2.7 and twistd framework. I am using twisted-theseus==0.14.1.3 library.
I have following as first two lines in my twistd plugin:
...ANSWER
Answered 2019-Jul-25 at 17:21This appears to be due to a known issue with twisted-theseus: https://github.com/habnabit/twisted-theseus/issues/1.
There is a workaround on the Github issue:
QUESTION
I wrote a code which has got two pivots in the query but it is failing to give any output.The error is : ORA-00904: "THESEUS_ACTIVE": invalid identifier. Could anyone help me on this
...ANSWER
Answered 2019-Jan-04 at 11:00You aren't specifying aliases for the pivoted columns, so by default they end up as quoted identifiers set to the values being matched; so you can change the start of your query to:
QUESTION
I try to combine my already defined collection TheCollection
with xaml-defined collection GreekHeroesData
ToCollectionWindow.xaml.vb:
...ANSWER
Answered 2018-Apr-25 at 08:39As I wrote in comment you have to specify XAML namespace for the type should be handled in DataTemplate. In your case it's an ObservableCollection(Of Person)
. The real problem is, that you can't specify Generic Type for ObservableCollection in XAML.
So you have to do a work around(sorry for VB syntax, I do develop in C#):
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