INIS
levels
100%
convergence
100%
eigenvalues
100%
equations
100%
dimensions
75%
grids
75%
laplacian
75%
origin
50%
approximations
50%
operation
25%
reduction
25%
spectra
25%
randomness
25%
vectors
25%
errors
25%
fourier analysis
25%
Mathematics
Helmholtz Equation
100%
Wave Number
100%
Eigenvalue
57%
Laplace Operator
42%
Operators
42%
Zeros
28%
Independence
28%
Vector
14%
Computational
14%
Number
14%
Three-Dimension
14%
Initial Problem
14%
Fourier Analysis
14%
Convergence Property
14%
Approximation Error
14%
Numerical Experiment
14%
Constant
14%
One Dimension
14%
Approximation Order
14%
Two Dimensions
14%
Engineering
Wave Number
100%
Helmholtz's Law
100%
Eigenvalue
57%
Laplace Operator
42%
Zeros
28%
Misalignment
14%
Error
14%
Computational Time
14%
Research
14%
Preconditioned System
14%
Vector
14%
Coarse Grid
14%
Approximation Order
14%
Eigenmode
14%
Numerical Experiment
14%
Convergence Property
14%
Reduction
14%
Keyphrases
Deation
80%
Eigenvalue Approach
20%
Helmholtz Problem
20%
Preconditioned System
20%
High-order Approximation
20%
Grid Transfer
20%
Marmousi
20%
Initial Problem
20%