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A Complexity Primer for Systems Engineers

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Sarah Sheard, <strong>Complexity</strong> and <strong>Systems</strong> Engineering, 2011. Used with permission<br />

System <strong>Complexity</strong> as SE Challenges <br />

System Characteristics<br />

(Objective <strong>Complexity</strong>)<br />

Cognitive Characteristics<br />

(Subjective <strong>Complexity</strong>)<br />

Many pieces<br />

Emergent<br />

Nonlinear<br />

Chaotic Adaptive<br />

Tightly coupled<br />

Self-Organized<br />

Decentralized<br />

<strong>Complexity</strong><br />

Uncertain<br />

Difficult to understand<br />

Unclear cause and effect<br />

Unpredictable<br />

Unstable<br />

Uncontrollable<br />

Unrepairable, unmaintainable<br />

Open<br />

Political<br />

Multi-Scale<br />

Takes too long to build<br />

Costly<br />

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