demprior
aw1, ab1 aw2 and ab2 
control the inverse variances of the first-layer weights, the hidden unit 
biases, the second-layer weights and the output unit biases respectively. 
Their values can be adjusted on a logarithmic scale using the sliders, or 
by typing values into the text boxes and pressing the return key. 
mlpCopyright (c) Ian T Nabney (1996-9)