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| /* | |
| * Licensed to the Apache Software Foundation (ASF) under one or more | |
| * contributor license agreements. See the NOTICE file distributed with | |
| * this work for additional information regarding copyright ownership. | |
| * The ASF licenses this file to You under the Apache License, Version 2.0 | |
| * (the "License"); you may not use this file except in compliance with | |
| * the License. You may obtain a copy of the License at | |
| * | |
| * http://www.apache.org/licenses/LICENSE-2.0 | |
| * | |
| * Unless required by applicable law or agreed to in writing, software | |
| * distributed under the License is distributed on an "AS IS" BASIS, | |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| * See the License for the specific language governing permissions and | |
| * limitations under the License. | |
| */ | |
| package org.apache.spark.mllib.optimization | |
| import org.apache.spark.annotation.DeveloperApi | |
| import org.apache.spark.mllib.linalg.Vector | |
| import org.apache.spark.rdd.RDD | |
| /** | |
| * :: DeveloperApi :: | |
| * Trait for optimization problem solvers. | |
| */ | |
| @DeveloperApi | |
| trait Optimizer extends Serializable { | |
| /** | |
| * Solve the provided convex optimization problem. | |
| */ | |
| def optimize(data: RDD[(Double, Vector)], initialWeights: Vector): Vector | |
| } |