9/20/2023 0 Comments Anylogic get variable value![]() ![]() The goal of your model is to reproduce (as close as possible) oscillations in the number of cars in dealership (car inventory) as illustrated in the graph. I have built a model using system dynamics in AnyLogic and I am trying to create a difference function between the data generated by the model and the data. Apply common logic and business sense to define your own equations for dynamic variables calculation. You can make reasonable assumptions about customer demand (1-10 cars per day), and delays: response dehyy = 1 − 5 days, perception delay = 1 − 5 days, factory delivery delay = 5 − 15 days Use dynamic variables to calculate orders to factory, perceived sales, desired inventory. As you will be able to see from the graph, the desired inventory ∼ 200 cars, the deliveries and sales would vary in the range 0 - 12 cars per day. You can estimate typical values of the constants (parameters) in the model from the graph "Response of inventory to 10-percent increase in sales" (Figure 8). Alternatively you can built a slider in your model and increase sales manually. I am experiencing some difficulties with sending parameter values to python in order to instigate the algorithm. You could use function step (step height, step time) in ANYLOGIC to introduce the sharp increase in sales (see ANYLOGIC help file for kore details). Your model should reproduce oscillation behaviour of cars inventory in dealershio after 10% increase in car sales. AnyLogic provides several ways of changing values of parameters and variables: Using inspect windows Using controls From code There are some common rules for all these ways: When you modify a parameter that is linked to a parameter of some embedded agent, the value of embedded agent’s parameter also changes. Develop SD model of inventory (cars stock) in a dealership. Note that this also requires the GNU versions of find, sort, and cut.A System with Delays - Business Inventory 3. error message cannot find symbol - variable mobileserviceprovider. Now we need the map object to store the values from the external table and provide easy access to these values. That would be something like: mapfile -d '' files < <( Solved-Anylogic new branch throwing cannot be resolved to a variable error-Java. ExternalTableCombo) private String matrixName. If you need to sort the filenames by timestamp (so you can delete the oldest files first), you can use the method described in my answer to Shell Script to move oldest file from one directory to another directory. The variable name will be displayed into the node: Note that only the variables that are from the same type of the Get node will appear in the list. (yes, extracting data from df's output is harder than it seems at first glance, for pretty much the same reason why parsing ls is a bad idea ) To link a variable, go to the parameters, and choose one variable in 'Variables/Get ' list (will be replaced by the type of value your Get node can call). You can add any logic and configure expressions and return values based on. Printf "Deleting file:\n%s\n" "$(stat - "$ Use flow input and output variables to pass data back and forth between call. # While pct is above the threshold and there is at least However, if you are certain that your file names will never contain spaces, tabs, newlines (assuming an unmodified $IFS), nor glob pattern operators ( *, ?, [ at least) and won't start with - and are not of type directory, you could do something like this: #!/bin/bashįiles=( $(ls -tr *.log* 2>/dev/null) ) Parsing ls is very fragile, and really not a good idea. Can anyone please suggest a fix around this or an alternate logic? However, since I'm using pipe to iterate over the files, it becomes a sub-shell or a child process and the flag variable is not available (updated value of flag from sub shell does not reflect in parent shell) in the parent process (it's what I read in an article about piping) and thus the infinite loop is never broken. So, it goes into an infinite loop and hence I'm trying to use a flag variable to break the infinite loop in such cases. ![]() Now often, even after deleting the files, the percentage used doesn't go below 80%, even though no files with the given regex pattern is left and I cannot delete the other remaining files in the same folder. After every deletion I'm checking the percentage of the application file system used and if it is greater than 80% (as shown in outer while loop condition), I repeat the process. I'm iterating over the list of files using the while loop and if any file matches with the given regex, I'm deleting it. The operation is to delete certain log files as captured by the above regular expression, in order of oldest files first and hence I'm using ls -tr. I'm not used to linux scripting and this is the first time I'm working on it so I'm struggling with the following problem: ![]()
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