The phrase "a complicated pattern of" is correct and usable in written English.
It can be used to describe a complex arrangement or system of elements, often in contexts such as art, behavior, or data analysis.
Example: "The artist's work reveals a complicated pattern of colors and shapes that draws the viewer in."
Alternatives: "a complex arrangement of" or "an intricate design of".
This leads to a complicated pattern of winners and losers from the changes as a whole, which varies by income, family structure and consumption patterns among other things.
The external form of the anthropoid cerebral cortex is characterized by a complicated pattern of folds and fissures (sulci and gyri) in the brain surface.
The experimental results however display a complicated pattern of mode jumps, which the numerical method cannot capture.
What triggers it is poorly understood--sometimes it takes a lot of sexual activity, other times just a little--and it kicks off a complicated pattern of muscle contractions.
Terakawa and Matsu'ura (2010) indicate a complicated pattern of tectonic stress in the northern Okinawa Trough including rapid changes from normal faulting to strike-slip faulting at crustal depths.
We show theoretically that Bloch oscillations in periodic systems with helical conformation are also strongly affected by such lateral field; the oscillation frequency splits into a manifold of several generally non-commensurate frequencies leading to a complicated pattern of the charge motion.
The 1D O MAS NMR spectrum of O enriched Ba2In2O4(obtainedatned at 9.4 T under conditions where the line shape distortion is minimal (i.e., with short pulse length) shows a complicated pattern characteristic of multiple overlapping O resonances.
Lip calli form a complicated pattern and consist of numerous digitate or lamellar projections, glabrous or ciliate.
If it contained a more complicated pattern of several vortices, the two voltages should change independently.
Upon that dress there is a more complicated pattern of handiwork.
The genus Isophya shows a more complicated pattern of rDNA/heterochromatin organization than Poecilimon.
