Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Block Diagram Reduction

Block Diagram Reduction

The process of deriving the transfer function of a control system often involves reducing its block diagram to a single block. This simplification can be achieved through a series of strategic operations, including relocating branch points and comparators. These operations preserve the overall function of the system while allowing for easier manipulation and combination of blocks.
The first step in this process is the identification and relocation of a branch point. A branch point, where a...

SFG Algebra

SFG Algebra

In Signal Flow Graph (SFG) algebra, the value a node represents is determined by the sum of all signals entering that node. This summed value is then transmitted through every branch leaving the node, making the SFG a powerful tool for visualizing and analyzing control systems.
Each node in an SFG corresponds to a variable, and the interactions between nodes are represented by branches with associated gains. When multiple branches lead into a node, the value at that node is the sum of the...

Relation between Mathematical Equations and Block Diagrams

Relation between Mathematical Equations and Block Diagrams

In a spring-mass-damper system, the second-order differential equation describes the dynamic behavior of the system. When transformed into the Laplace domain under zero initial conditions, this equation can be effectively analyzed and manipulated. The transformation into the Laplace domain converts differential equations into algebraic equations, simplifying the process of isolating the output.

Reduced Mass Coordinates: Isolated Two-body Problem

Reduced Mass Coordinates: Isolated Two-body Problem

In classical mechanics, the two-body problem is one of the fundamental problems describing the motion of two interacting bodies under gravity or any other central force. When considering the motion of two bodies, one of the most important concepts is the reduced mass coordinates, a quantity that allows the two-body problem to be solved like a single-body problem. In these circumstances, it is assumed that a single body with reduced mass revolves around another body fixed in a position with an...

Pole and System Stability

Pole and System Stability

The transfer function is a fundamental concept representing the ratio of two polynomials. The numerator and denominator encapsulate the system's dynamics. The zeros and poles of this transfer function are critical in determining the system's behavior and stability.
Simple poles are unique roots of the denominator polynomial. Each simple pole corresponds to a distinct solution to the system's characteristic equation, typically resulting in exponential decay terms in the system's...

Classification of Systems-I

Classification of Systems-I

Linearity is a system property characterized by a direct input-output relationship, combining homogeneity and additivity.
Homogeneity dictates that if an input x(t) is multiplied by a constant c, the output y(t) is multiplied by the same constant. Mathematically, this is expressed as:

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Development and pilot evaluation of the implementation of a whole-team training pack to improve the effectiveness, efficiency, safety and equity of remote general practice.

BMJ quality & safety·2026

Same author

Remote Access to Primary Care: Theorising 'Care Navigation'.

Sociology of health & illness·2026

Same author

Synthesis challenges in complex evidence: A critical analysis of systematic reviews of face mask efficacy.

Research synthesis methods·2026

Same author

Teamwork and relational infrastructure: a qualitative study of modern UK general practice.

The British journal of general practice : the journal of the Royal College of General Practitioners·2026

Same author

Protocol: a systematic review+ (SR+) to combine associative and mechanistic evidence on the efficacy of face masks in reducing transmission of respiratory diseases.

Systematic reviews·2025

Same author

Science for Pandemic Preparedness: A Precautionary Framework.

Journal of evaluation in clinical practice·2025

Search research articles

Related Experiment Video

Updated: Jun 5, 2025

Microstate and Omega Complexity Analyses of the Resting-state Electroencephalography

Microstate and Omega Complexity Analyses of the Resting-state Electroencephalography

Published on: June 15, 2018

Commentary: Without Values, Complexity is Reduced to Mathematics.

Trisha Greenhalgh¹

¹Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, Oxfordshire, UK.

Journal of Evaluation in Clinical Practice

|December 12, 2024

Summary

This summary is machine-generated.

Mathematical complexity in medical research is useful but insufficient. It overlooks human values and cultural contexts, necessitating a broader approach beyond quantitative analysis for comprehensive problem-solving.

Keywords:

causation complexity science health policy medical ethics

More Related Videos

Perspectives on Neuroscience

Perspectives on Neuroscience

Published on: July 31, 2007

Setting Limits on Supersymmetry Using Simplified Models

Setting Limits on Supersymmetry Using Simplified Models

Published on: November 15, 2013

Related Experiment Videos

Last Updated: Jun 5, 2025

Microstate and Omega Complexity Analyses of the Resting-state Electroencephalography

Microstate and Omega Complexity Analyses of the Resting-state Electroencephalography

Published on: June 15, 2018

Perspectives on Neuroscience

Perspectives on Neuroscience

Published on: July 31, 2007

Setting Limits on Supersymmetry Using Simplified Models

Setting Limits on Supersymmetry Using Simplified Models

Published on: November 15, 2013

Area of Science:

Systems Science
Medical Research
Complexity Theory

Background:

Sturmberg and Mercuri's paper proposes a mathematical approach to complexity.
Current medical research often relies on linear causality, as seen in randomized controlled trials.
Mathematical complexity models can explain nonlinearity and network effects.

Purpose of the Study:

To critique the limitations of a purely mathematical approach to complexity in medical research.
To highlight the necessity of incorporating human values into complexity thinking.
To advocate for a more holistic understanding of complex problems in healthcare.

Main Methods:

Commentary and critical analysis of existing literature on complexity theory.
Discussion of the limitations of mathematical models in addressing human values.
Exploration of the historical and cultural shaping of science.

Main Results:

Mathematical complexity, while valuable, cannot account for human values, cultural contexts, or differing worldviews.
Overemphasis on mathematical models risks overlooking crucial non-quantifiable factors in problem-solving.
Values-driven misunderstandings are inevitable in collaborative problem-solving scenarios.

Conclusions:

Complexity thinking in medical research requires more than mathematical models; it must integrate human values.
A comprehensive approach is needed to address the multifaceted nature of problems in medical research.
Future research should bridge mathematical complexity with qualitative, value-based perspectives.