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diff --git a/src/main/java/org/apache/commons/math/DimensionMismatchException.java b/src/main/java/org/apache/commons/math/DimensionMismatchException.java
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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.commons.math;
+
+import org.apache.commons.math.exception.util.LocalizedFormats;
+
+/**
+ * Error thrown when two dimensions differ.
+ *
+ * @since 1.2
+ * @version $Revision: 1061778 $ $Date: 2011-01-21 13:12:39 +0100 (ven. 21 janv. 2011) $
+ * @deprecated in 2.2 (to be removed in 3.0). Please use its equivalent from package
+ * {@link org.apache.commons.math.exception}.
+ */
+public class DimensionMismatchException extends MathException {
+
+    /** Serializable version identifier */
+    private static final long serialVersionUID = -1316089546353786411L;
+
+    /** First dimension. */
+    private final int dimension1;
+
+    /** Second dimension. */
+    private final int dimension2;
+
+    /**
+     * Construct an exception from the mismatched dimensions
+     * @param dimension1 first dimension
+     * @param dimension2 second dimension
+     */
+    public DimensionMismatchException(final int dimension1, final int dimension2) {
+        super(LocalizedFormats.DIMENSIONS_MISMATCH_SIMPLE, dimension1, dimension2);
+        this.dimension1 = dimension1;
+        this.dimension2 = dimension2;
+    }
+
+    /**
+     * Get the first dimension
+     * @return first dimension
+     */
+    public int getDimension1() {
+        return dimension1;
+    }
+
+    /**
+     * Get the second dimension
+     * @return second dimension
+     */
+    public int getDimension2() {
+        return dimension2;
+    }
+
+}