reactant | A framework for building React applications | State Container library
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kandi X-RAY | reactant Summary
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QUESTION
I have a code that balances the chemical equations. The only problem is that I want to convert the final solution i.e. 1D np array of floats to integers. Obviously, I can not directly round it to nearest integers, that would mess up the balancing. One way is to multiply it with a number that will convert the floats to integers(type does not matter). See below for an example.
...ANSWER
Answered 2021-Feb-01 at 14:03I am not entirely happy with my solution but it seems to work alright, let me know what you think, I am essentially converting the float to a string and counting the number of characters after the decimal place, it will work as long as the values are always float
QUESTION
For a detailed understanding, I have attached a link of file: Actual file
I have data in the list, that has similar syntax like:
...ANSWER
Answered 2020-Jul-31 at 06:39Just do this instead. I changed the format of your output because it made things unnecessisarily complicated, and removed a lot of non-pythonic things you were doing. The second time you run should be instantaneous, and the first time should be much faster if you have repeated values across equations or sides of the reaction.
QUESTION
I've created two programs to run a stochastic simulation on a system of chemical reactions. In the program I've got a function that's meant to update the elements of an array with the derivative of the changing molecule numbers popul_num and the stochastic rate constant of each reaction stoch_rate In the first program the function looks as follows:
ANSWER
Answered 2020-Jul-10 at 13:51One value is missing. This list contains only 7 values:
QUESTION
This is my code. I have defined two different drop events with different selectors but the parent one overrides the child drop.
...ANSWER
Answered 2020-Jun-05 at 10:58When you drop an item in the workspace, you actually create manually a copy of it. But this copy doesn't have a listener attached to it (because the copy didn't exist when you searched all the .Droppable2 items and attach the drop listener to them).
All you have to do is to attach the same event listener you used for .Droppable2 to your copy:
QUESTION
I have written the following function to calculate the probability that a single reaction in a system of reaction fires and stores the output of the function, the probability of each reaction in the system firing, as an array:
...ANSWER
Answered 2020-Jun-02 at 10:27The lambda you defined is a constant function of three parameters that always return a function. Since you want a one-dimensional function (from my understanding), what you probably meant is:
QUESTION
I have been implemented successfully recommendation engine but having a problem with that if I put any unrelated value still giving output it must be shown that " you have entered wrong value"
Here is output correct smiles output
If I put wrong smiles or anything which does not belong to the training dataset then it must be given a message that please enter correct smiles.
I have entered any random text so if I enter wrong smiles it must come result as
result: "Please enter correct smiles"
I am putting my code I try If else but not working.
...ANSWER
Answered 2020-May-12 at 17:16You can check whether the SMILES are valid by parsing the molecule using RDKit.
This should answer part of your question, but I'm sorry I don't understand what else you are trying to achieve here.
QUESTION
I have written a function and while loop which is designed to simulate the following system of chemical reactions over time:
CHEMICAL EQUATIONS IN SYSTEM:
E + S --> ES == 1E + 1S + 0ES + 0P --> 0E + 0S + 1ES + 0P
ES --> E + S == 0E + 0S + 1ES + 0P --> 1E + 1S + 0ES + 0P
ES --> E + P == 0E + 0S + 1ES + 0P --> 1E + 0S + 0ES + 1P
The system is expressed using the following arrays: discrete population numbers of Enzyme, Substrate, Enzyme-Substrate complex, Product (at time= 0):
...ANSWER
Answered 2020-May-11 at 10:52You are trying to enumerate an integer number, popul_num[i], hence the error thrown. Did you mean this instead of your for loop:
QUESTION
I need to solve the following system of differential equations:
...ANSWER
Answered 2020-Mar-31 at 22:14Well, as pointed out in the comments, your (more complicated) ODE is nonlinear. Therefore, a matrix exponential approach will not work anymore.
In general, there are two general approaches to solving ODEs. First, you can try to find a symbolic solution. In most cases, you follow some approach based on an educated guess. There are several types of ODEs for which symbolic solutions are known.
However, this is not the case for the vast majority of ODEs. Hence, we generally contend ourselves with a numeric solution, essentially numerically integrating the ODE based on the right hand side.
The result is not an explicit function, but instead an approximation on the function values at certain point. In python, you can use scipy to solve ODEs this way.
Based on your right hand side (barring any errors on my part), this would look something like this:
QUESTION
What are the equations and other details of the built-in Python Gekko flowsheet objects such as the reactor model? Gekko has the compounds that I need for an industrial application of nonlinear Model Predictive Control (MPC) to a gas-phase fluidized-bed polymer (polyethylene) reactor.
...ANSWER
Answered 2019-Nov-23 at 14:46Gekko outputs a LaTeX file rto_4_latex.tex (or {mode}_4_latex.tex} for other modes) with the model details about equations and variables when you set m.options.DIAGLEVEL to 4 or higher.
QUESTION
I'm trying to write code to parse a Gene Ontology (GO) OBO file and push the go term IDs (e.g. GO:0003824) into a tree-like nested dictionary. The hierarchical go structure in an OBO file is indicated with the "is_a" identifier, which is used to mark each parent of each GO term. A GO term might have multiple parents, and the highest go terms in the hierarchy don't have parents.
A small example of a GO OBO file is shown below:
...ANSWER
Answered 2019-Mar-17 at 14:21You wrote
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