Topic 1: Matrix

Term / Concept NameYear(s) of Appearance
Rank of a matrix2019, 2025
Hermitian matrix2016, 2017, 2018, 2023, 2025
Skew-Hermitian matrix2015, 2018, 2025
Unitary matrix2023
Elementary matrix2016, 2023
Symmetric matrix2019
Skew-symmetric matrix2016, 2017, 2019
Upper triangular matrix2015
Equivalent matrix2015
Nilpotent matrix2015
Submatrices of a matrix2016
Square matrix2017
Singular matrix2017
Vector space2019
Inverse of a matrix (and when it exists)2015, 2016, 2017
Normal form of a matrix2015
Homogeneous system of linear equations2025
Eigen value / Eigenvalue2017, 2018, 2021, 2023, 2025
Eigen vector / Eigenvector2017, 2018, 2021, 2023, 2025

Topic 2: Vector Calculus

Term / Concept NameYear(s) of Appearance
Gradient of a scalar function (Definition and Physical Meaning)2015, 2022, 2025
Solenoidal vector2019, 2025
Conservative vector field / force field2015, 2025
Physical significance / outcomes of gradient2021, 2024
Physical significance / outcomes of divergence2021, 2023, 2024
Physical significance of curl2024
Scalar point function2021
Vector point function2021
Directional derivative2016
Significance of surface integral2022
Statement of Divergence theorem2025
Statement of Stoke’s theorem2021, 2023, 2025
Statement of Green’s theorem2015, 2018, 2022, 2025

Topic 3: Laplace Transform

Term / Concept NameYear(s) of Appearance
Laplace transform2015, 2019, 2023
Inverse Laplace transformation2025
First shifting theorem (Statement)2024
Second shifting theorem (Statement)2024
Convolution theorem / Convolution theorem for inverse Laplace transform (Statement)2015, 2019, 2021, 2024
Existence conditions / Sufficient conditions for Laplace Transform2021, 2022
Unit step function2021
Periodic function2017, 2019

Topic 4: Fourier Series and Transform

Term / Concept NameYear(s) of Appearance
Fourier series2021, 2022
Existence condition of Fourier series / Dirichlet’s conditions2021, 2022, 2023, 2024, 2025
Odd and even functions2022
Piecewise continuity of a function2016