bdot | Fast Dot Products on Pretty Big Data
kandi X-RAY | bdot Summary
kandi X-RAY | bdot Summary
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Top functions reviewed by kandi - BETA
- Generate random memory matrix
- Compute the dot product of a matrix
- Create an empty array
- Create an empty copy of a matrix
- Print an error message and exit
- Print an alarm
- Generate random time matrix
- Print a warning message
bdot Key Features
bdot Examples and Code Snippets
import bdot
import numpy as np
matrix = np.random.random_integers(0, 12000, size=(300000, 100))
bcarray = bdot.carray(matrix, chunklen=2**13, cparams=bdot.cparams(clevel=2))
v = bcarray[0]
result = bcarray.dot(v)
expected = matrix.dot(v)
# should
import bdot
import numpy as np
matrix = np.random.random_integers(0, 120, size=(1000, 100))
bcarray1 = bdot.carray(matrix, chunklen=2**9, cparams=bdot.cparams(clevel=2))
bcarray2 = bdot.carray(matrix, chunklen=2**9, cparams=bdot.cparams(clevel=2))
# create correctly sized container (helper method, not required)
output = bcarray1.empty_like_dot(bcarray2, rootdir='/path/to/bcolz/output')
# generate results directly on disk
bcarray1.dot(bcarray2, out=output)
# make sure the last bits get writte
Community Discussions
Trending Discussions on bdot
QUESTION
I'm trying to perform implicit differentiation on some expressions using sympy's idiff function.
In this case, rdot
is dr
/ds where s is an affine parameter. I want to perform implicit differentiation on Ltdot
,Lphidot
and Lrdot
with respect to the same affine parameter s.
ANSWER
Answered 2019-Aug-19 at 13:11It's a little confusing to have the implicit 't' as the "time" variable for s
and t
be the function t(s)
. When you differentiate wrt t
do you mean "Function('t')" or "s.args[0]"? If the latter, then if T = s.args[0]
then
QUESTION
i have trouble when open my web and its said Call to a member function result_array() on a non-object and i cant figure out how to solve it. i hope any of you guys can help me out.
so this is my web controller
...ANSWER
Answered 2017-Feb-16 at 12:00$this->mymodel->GetProduk()->result_array();
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
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