/** @param decoders New decoding vectors (row per Node) */
public void setDecoders(float[][] decoders) {
assert MU.isMatrix(decoders);
assert myDecoders.length == decoders.length;
assert myDecoders[0].length == decoders[0].length;
myDecoders = decoders;
}
/**
* With this constructor decoding vectors are specified by the caller.
*
* @param node The parent Node
* @param name As in other constructor
* @param nodes As in other constructor
* @param nodeOrigin Name of the Origin on each given node from which output is to be decoded
* @param functions As in other constructor
* @param decoders Decoding vectors which are scaled by the main output of each Node, and then
* summed, to estimate the same function of the ensembles state vector that is defined by the
* 'functions' arg. The 'functions' arg is still needed, because in DIRECT SimulationMode,
* these functions are used directly. The 'decoders' arg allows the caller to provide decoders
* that are generated with non-default methods or parameters (eg an unusual number of singular
* values). Must be a matrix with one row per Node and one column per function.
* @throws StructuralException If dimensions.length != neurons.length, decoders is not a matrix
* (ie all elements with same length), or if the number of columns in decoders is not equal to
* the number of functions
*/
public DecodedOrigin(
Node node,
String name,
Node[] nodes,
String nodeOrigin,
Function[] functions,
float[][] decoders)
throws StructuralException {
checkFunctionDimensions(functions);
if (!MU.isMatrix(decoders)) {
throw new StructuralException("Elements of decoders do not all have the same length");
}
if (decoders[0].length != functions.length) {
throw new StructuralException(
"Number of decoding functions and dimension of decoding vectors must be the same");
}
if (decoders.length != nodes.length) {
throw new StructuralException("Number of decoding vectors and Neurons must be the same");
}
myNode = node;
myName = name;
myNodes = nodes;
myNodeOrigin = nodeOrigin;
myFunctions = functions;
myDecoders = decoders;
myMode = SimulationMode.DEFAULT;
myIntegrator = new EulerIntegrator(.001f);
reset(false);
}
