flowshop | Algorithms for flow-shop problem
kandi X-RAY | flowshop Summary
kandi X-RAY | flowshop Summary
Algorithms for flow-shop problem.
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flowshop Examples and Code Snippets
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Trending Discussions on flowshop
QUESTION
I am trying to formulate a flowshop scheduling problem in Pyomo. This is an Abstract model
Problem description
There are 3 jobs (chest, door and chair) and 3 machines (cutting, welding, packing in that order). Objective is to minimise the makespan. The python code and the data are as follows.
ANSWER
Answered 2018-Apr-03 at 06:54As the error says Cannot index unordered sets
, the set flowshop.machines
is not ordered. One needs to provide ordered=True
argument in the while declaring the set -
flowshop.machines = Set(ordered=True)
After this, one can access any element by normal indexing - flowshop.machines[i]
For the binary variables, one can declare them as -
QUESTION
I am trying to stream a csv to azure blob storage, the csv is generated directly from python scripts without local copy, i have the following code, df is the csv file:
...ANSWER
Answered 2018-Mar-28 at 22:15You opened df
for write, then tried to pass the resulting file object as the initializer of io.BytesIO
(which is supposed to to take actual binary data, e.g. b'1234'
). That's the cause of the TypeError
; open files (read or write, text or binary) are not bytes
or anything similar (bytearray
, array.array('B')
, mmap.mmap
, etc.), so passing them to io.BytesIO
makes no sense.
It looks like your goal is to read from df
, and you shouldn't need io.BytesIO
at all for that. Just change the mode from (text) write, 'w'
, to binary read, 'rb'
. Then pass the resulting file object to your API directly:
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
Vulnerabilities
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Install flowshop
You can use flowshop like any standard Python library. You will need to make sure that you have a development environment consisting of a Python distribution including header files, a compiler, pip, and git installed. Make sure that your pip, setuptools, and wheel are up to date. When using pip it is generally recommended to install packages in a virtual environment to avoid changes to the system.
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