chapter II: orthogonalty
this chapter covers the following topics
1.1 The inner product
1.2 Inner product spaces
1.3 Orthonormal sets
1.4 The Gram-Schmidt orthogonalization process
1.5 Cauchy-Schwartz and triangular inequalities
1.6 The dual space
1.7 Adjoint of linear operators
1.8 Self-adjoint linear operators
1.9 Isometry
1.10 Normal operators and the Spectral theorem
Click orthogonalty-2.pdf link to view the file.