transpose Questions
7
Solved
I am having an issue with Ipython - Numpy. I want to do the following operation:
x^T.x
with and x^T the transpose operation on vector x. x is extracted from a txt file with the instruction:
x =...
1
Solved
I have a project which involves a lot of permutations on 3D arrays ( arma::Cube<cx_double>). In particular, the required permutation is the interchange of columns by slices. In Matlab this is...
Holland asked 14/8, 2018 at 13:9
5
Solved
I have been trying to transpose an array to paste records from a ADODB.recordset into an excel row. (The records are stored in a 2D Variant array). However, whenever I try something like the first ...
7
Solved
I'm not sure the exact term for what I'm trying to do. I have an 8x8 block of bits stored in 8 bytes, each byte stores one row. When I'm finished, I'd like each byte to store one column.
For exampl...
3
Solved
I have some code that manages data received from an array of sensors. The PIC that controls the sensors uses 8 SAR-ADCs in parallel to read 4096 data bytes. It means it reads the most significant b...
Leticia asked 13/2, 2014 at 4:4
2
I am analysing a dataset having 200 rows and 1200 columns, this dataset is stored in a .CSV file. In order to process, I read this file using R's read.csv() function.
R takes ≈ 600 seconds to rea...
Bluff asked 28/6, 2018 at 5:28
3
Solved
I have a Pandas dataframe called 'training_set' that resembles the screenshot below:
I try to turn the 'label' column into array and transpose it. I tried doing Y_train=np.asarray(training_set['la...
3
Solved
a=[[1,2,3],[4,6],[7,8,9]]
In Python 2 If I have a list containing lists of variable lengths then I can do the following:
list(map(None,*a))
Result:
[(1, 4, 7), (2, 6, 8), (3, None, 9)]
In Python...
Officiant asked 3/2, 2014 at 14:7
1
Solved
I currently have the following dataframe:
Current df:
type part number part description waiting period hours
0 service item SOME-X1R-1807 SOME 1 day 24
1 CONSUMABLE RANDOM-462-1171 DESCRIPTIO...
3
Solved
In R the t() function is really meant for matrices. When I try to transpose my tibble with t() I end up with a matrix. A matrix can't be made into a tibble with tibble(). I end up spending ti...
2
Solved
I have the following dataframe:
0 1
0 enrichment_site value
1 last_updated value
2 image_names value
3 shipping_weight value
4 ean_gtin value
5 stockqty value
6 height__mm value
7 availability va...
3
I need a fast memory transpose algorithm for my Gaussian convolution function in C/C++. What I do now is
convolute_1D
transpose
convolute_1D
transpose
It turns out that with this method the filt...
Qualls asked 5/6, 2013 at 13:22
2
Solved
From the docs:
Transposes a. Permutes the dimensions according to perm.
The returned tensor's dimension i will correspond to the input
dimension perm[i]. If perm is not given, it is set to (...
Trihedron asked 22/7, 2016 at 3:9
3
Solved
How can i split lines in Sublime Text 3? I tried ctrl+t, ctrl+x
but it does not work.
I have line such as
this is a sentence
i would like to make it
this
is
a
sentence
Stepsister asked 16/3, 2015 at 18:52
5
Solved
I have a matrix in R like this:
|1|2|3|
|1|2|3|
|1|2|3|
Is there an easy way to rotate the entire matrix by 90 degrees clockwise to get these results?
|1|1|1|
|2|2|2|
|3|3|3|
and again rotati...
5
Solved
I have a list structure which represents a table being handed to me like this
> l = list(list(1, 4), list(2, 5), list(3, 6))
> str(l)
List of 3
$ :List of 2
..$ : num 1
..$ : num 4
$ :Li...
Servomechanical asked 17/8, 2017 at 11:51
1
I have a 4d array (python) with a batch of 10000 images with 5 channels in each image. Each image is 25*25 i.e. the 4d array shape is 10000*5*25*25.
I need to transpose the images. The naive way i...
Gynaecocracy asked 7/8, 2017 at 12:41
5
Solved
I've been banging my head against the wall for several hours on this and just can't seem to find a way to do this. I have an array of keys and an array of values, how can I generate an object? Inpu...
2
1
Solved
I have a DF with multiple columns which I want to convert from rows to columns most solutions I have seen on stack overflow only deal with 2 columns
From DF
PO ID PO Name Region Date Pri...
1
Solved
What is the difference in opencv between these two transposes?
Using cv::Mat::t():
cv::Mat a;
a = a.t();
Using cv::transpose():
cv::Mat a;
cv::transpose(a,a);
I'm interested in particular ab...
2
Solved
I got a weird result today.
To replicate it, consider the following data frames:
x <- data.frame(x=1:3, y=11:13)
y <- x[1:3, 1:2]
They are supposed to be and actually are identical:
ide...
2
Solved
I have a table:
A | B | C
BEN | MOSKOW | YES
ANTON | IRKUTSK | NO
VIKTOR | PARIS | YES
BEN | PARIS | YES
ANTON | TORONTO | NO
DON | TORONTO | YES
ANNA | IRKUTSK | YES
BEN | MOSKOW | NO
and trie...
Pichardo asked 3/3, 2017 at 5:8
4
I am trying to transpose a really long file and I am concerned that it will not be transposed entirely.
My data looks something like this:
Thisisalongstring12345678 1 AB abc 937 4.320194
Thisisal...
1
Solved
Hi I am trying to do transpose operation in pandas, but the condition is the value of one column should be associated with the transposed rows.
The example given below will explain the better way:
...
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