University of South Asia

These notes cover Complex Numbers and Matrices from Linear Algebra Appendix B. Topics include the imaginary unit, conjugates, four basic operations, complex plane, modulus, and complex matrices. Special matrix types like Hermitian, Skew-Hermitian, Unitary, and Normal are defined with conditions and solved examples.

Complete 3x3 Matrix Cryptography notes for MATH-201 & Linear Algebra students. What's included: • 3x3 matrix coding method step-by-step • 3x3 matrix decoding with inverse • Hill cipher cryptography examples • Matrix multiplication for encryption • All diagrams + solved problems • Linear algebra applications in crypto Perfect for: • Mathematics exams (MATH-201) • Linear Algebra assignments • Computer Science cryptography • Engineering Mathematics 9...

Scalar Triple Product complete notes for CS-101 & MATH-101 students. What’s included: • Formula [a·(b×c)] with determinant method • Volume of parallelepiped calculation • All properties explained • Coplanarity test for 3 vectors • 7+ solved examples with diagrams • Step-by-step solutions Perfect for Computer Science exams, assignments, tests. Engineering Mathematics students also use these notes. Clear explanations + practice problems. Instant PDF download - rea...