1 /*
2 * Licensed to the Hipparchus project under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The Hipparchus project licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * https://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17
18 package org.hipparchus.linear;
19
20 import org.hipparchus.exception.MathIllegalArgumentException;
21
22 /** Interface for all algorithms providing matrix decomposition.
23 * @since 1.3
24 */
25 public interface MatrixDecomposer {
26
27 /**
28 * Get a solver for finding the A × X = B solution in least square sense.
29 * @param a coefficient matrix A to decompose
30 * @return a solver
31 * @throws MathIllegalArgumentException if decomposition fails
32 */
33 DecompositionSolver decompose(RealMatrix a) throws MathIllegalArgumentException;
34
35 }