Python make_identity Examples

Example #1

File: Rbf.py Project: skarone/PipeL

	def __call__(self, vectors):
		"""docstring for __call__"""
		r = self._call_norm( vectors, self.xi )
		r2 =  self._function(r)
		#convert r2 to matrix
		r2mat = bs.Matrix( bs.make_identity( vectors.length(), self.xi.length() ))
		count = 0
		for x in range(vectors.length()):
			for y in range(self.xi.length()):
				r2mat[x][y] = r2[count]
				count += 1
		res = []
		for n in range(len(self.nodes)):
			res.append( r2mat * self.nodes[n] )
		return res

Example #2

File: Rbf.py Project: skarone/PipeL

	def linalg(self, A, di):
		"""docstring for linalg"""
		#first create matrix!
		Amat = bs.Matrix( bs.make_identity( self.xi.length(), self.xi.length() ))
		count = 0
		for x in range(self.xi.length()):
			for y in range(self.xi.length()):
				Amat[x][y] = A[count]
				count += 1
		#now revert mat
		AmatInv = Amat.invert()
		res = []
		if isinstance(di[0], list):
			for d in range( len( di[0] )): #get cols count in di[0]
				diMat = bs.Matrix( [[di[a][d]] for a in range(len(di))] )
				res.append( AmatInv*diMat )
		else:
			diMat = bs.Matrix( [[di[a]] for a in range( len(di))] )
			res.append( AmatInv*diMat )
		return res