# Length of Vector Tensors

1. Sep 17, 2009

### Dragonfall

Suppose a, b are vectors in R^n, R^m resp. What can I say about the length of $$a\otimes b$$ wrt a and b?

You can think of $$\otimes$$ as the Kronecker product.

2. Sep 19, 2009

### Dragonfall

Anyone?

3. Sep 19, 2009

### HallsofIvy

Staff Emeritus
How do you define the "length" of a tensor?

4. Sep 19, 2009

### Dragonfall

Euclidean length.