r×pq

r×pq is a term that appears in specific mathematical and scientific contexts, often related to vector calculus or differential geometry. The notation signifies a cross product between a vector denoted by 'r' and a quantity represented by 'pq'. The nature of 'pq' can vary depending on the field.

In some instances, 'pq' might represent another vector, making the operation a standard vector cross product. This results in a new vector perpendicular to both 'r' and 'pq'. The magnitude of this resulting vector is given by the product of the magnitudes of 'r' and 'pq' and the sine of the angle between them, and its direction is determined by the right-hand rule.

Alternatively, 'pq' could represent a more complex object, such as a tensor or a derivative operator. In these cases, the '×' symbol might denote a generalized form of the cross product or a related operation defined within a specific algebraic structure. The interpretation of r×pq would then depend on the precise definitions of the vector 'r' and the quantity 'pq' within that particular framework. Without further context, the exact meaning remains ambiguous, as the notation is not universally standardized across all disciplines.