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Graphical editor for probability matrix


David
Nov 01 2012 | 7:04 am

I have found the [prob] object to be useful in modelling state changes of musical elements such as pitch. However, it is a bit tedious typing the state transitions in manually. It would be nicer to draw the state diagram, draw arrows between states to represent transitions and attach values to the arrows to reppresent the probability of that transition, then automatically print out the matrix as text. Has anyone seen such a program? Is there any other available tool for editing probability matrices?


jvkr
Nov 01 2012 | 7:56 am

What about a jit.cellblock object where horizontal and vertical axes represent from and to states, and the cells contain the probability. Communicating all states to [prob] could be done going [anal].


David
Nov 01 2012 | 6:08 pm

Thanks for the suggestion. I am new to Max and haven’t ventured into jit yet. I will look into it.


Anthony Palomba
Nov 01 2012 | 7:56 pm

I put together a handy markov utility that you might find useful.

It reads and writes data sets (text files) that contain state information as well as data that
corresponds to those states. Once a data set is loaded, you can then trigger a new state
with prob and the corresponding data element will be output. You can also manually
enter in the states and data.

Attachments:
  1. markovutil.zip

David
Nov 02 2012 | 1:28 pm

Thanks Anthony. That saves me a lot of effort.

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