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Mathematics
General Math
Construct a mathematical formula
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[QUOTE="pbuk, post: 6501470, member: 385977"] A weighted sum is the obvious first choice; what do you mean 'doesn't give the expected output'? Did you set the weights manually - if so have you fully explored how your model responds to adjusting the weights? If you have a sample 'expected output' have you tried fitting the weights using linear regression? Have you tried different optimisation functions (e.g. mean absolute error (MAE) as well as mean squared error (MSE))? If this is still not working for you then this may be due to the inherent limitation of linearity of the model. To break through this you could consider using a neural net (a weighted sum is essentially a neural net with no hidden layers and a single neuron with a linear activation function in the output layer). However this is probably overkill for such a simple model with only 3 inputs. [/QUOTE]
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Construct a mathematical formula
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