The phrase "add a degree of complexity" is correct and usable in written English.
You can use it when discussing the introduction of additional elements or factors that make a situation, problem, or concept more intricate.
Example: "The new regulations will add a degree of complexity to the compliance process that businesses must navigate."
Alternatives: "introduce a level of intricacy" or "increase the complexity level."
Stellarators add a degree of complexity to the magnetic fields in return for eliminating the need for the plasma to be moving within a tokamak.
We also add a degree of complexity in the interdependencies discussed in Chapter 3, incorporating the spatial dimension in the analysis, with special reference to fisheries where the dynamic pool assumption is not satisfied.
State-dependent dynamic games are an important theoretical tool for examining decision-making processes by the individuals within a group, where the inclusion of state components allows us to add a degree of complexity and realism that is lacking from state-free game theory (e.g. [ 25, 26]).
The flat-field constraint adds a degree of complexity to the construction of an unobscured first-order layout, sometimes requiring mirrors to have fast individual F/#'s or to have extreme tilts to clear the rays.
Here we have added a degree of complexity to simple NK networks, using a publish-subscribe view of gene regulation.
The AI method also does not take branch lengths into account, and like the SM, is dependent on the structure of the tree, but adds a degree of complexity by weighting the contributions of the nodes between any given two sequences based on where they are located in the tree (i.e. how deep in the tree they are).
These different definitions of clinical responder added a degree of complexity not usually found in drug studies.
Inclusion of advanced qualifications other than A levels may have modestly addressed the missingness but also potentially added a degree of complexity and possible confounding; it is uncertain to what extent other tests of educational attainment are equivalent to each other (e.g. Scottish Highers vs A levels).
It took the samba and it added harmonic sophistication – extended chords and so on – and it added a degree of lyrical complexity".
