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References Notation
| Symbol |
Description |
Location |
| \((x_1,x_2,\ldots,x_n)\) |
\(n\)-tuple of real numbers |
Paragraph |
| \(\R^n\) |
\(n\)-dimensional real space |
Paragraph |
| \(\mathbf{0}\) |
zero vector |
Paragraph |
| \(\vec{0}\) |
zero vector |
Paragraph |
| \(\mathbf{e}_i\) |
\(i\)th standard basis vector |
Paragraph |
| \(\mathbf{x}\cdot
\mathbf{y}\) |
inner product (or dot product) of vectors \(\mathbf{x},\mathbf{y}\)
|
Paragraph |
| \(\delta_{ij}\) |
Kronecker delta |
Exercise 1.4.4 |
| \(\left\|\mathbf{x}\right\|\) |
norm of a vector |
Exercise 1.4.5 |
| \([a_{ij}]\) |
matrix with entries \(a_{ij}\)
|
Paragraph |
| \(A^T\) |
transpose of the matrix \(A\)
|
Paragraph |
| \(Df(\mathbf{x_0})\) |
the derivative of \(f\) at \(\mathbf{x}_0\)
|
Paragraph |
