Video: Fossil: Definition, Types, Characteristics & Examples. Fossils provide scientists with many clues about Earth's history, offering evidence of dinosaurs and strange plants that existed in the past. This lesson will define a fossil, look at different types and characteristics of fossils, and then describe how fossils are formed.
The final result of the dot product process can be: 1  Zero: we don't have any growth in the original direction. 2  Positive number: we have some growth in the original direction. 3  Negative number: we have negative (reverse) growth in the original direction.
The dot product is also called the scalar product and inner product. In the latter context, it is usually written. The dot product is also defined for tensors and by. (21). So for four-vectors and, it is defined by. (22). (23). (24). where is the usual three-dimensional dot product.