Words to Describe solvers

How solvers often is described ("________ solvers")

• modern
• unsuccessful
• successful
• partial
• numerical
• ineffective
• intelligent
• explicit
• most
• proficient
• elliptic
• parallel
• approximate
• potential
• differential
• autonomous
• specialized
• mathematical
• competent
• experienced
• advanced
• exact
• purpose
• pragmatic
• conventional
• classical
• ordinary
• excellent
• active
• commercial
• professional
• general
• multigrid
• fast
• based
• iterative
• cooperative
• symmetric
• better
• sparse
• expert
• practical
• capable
• best
• sophisticated
• direct
• stiff
• linear
• finite
• adaptive
• skilled
• strategic
• sat
• dimensional
• robust
• available
• creative
• effective
• powerful
• oriented
• independent
• nonlinear
• good
• problem
• different
• poor
• efficient
• incomplete
• flexible
• human
• standard
• rational
• implicit
• inexact
• multiple
• art