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Related Concept Videos

Transformation01:26

Transformation

565
Microbial communities are dynamic environments where cell lysis releases free DNA into the surroundings. Other cells can take up this extracellular DNA through a process known as transformation.When a cell incorporates this foreign DNA into its genome, resulting in genetic modification, the process is known as transformation. Cells capable of this process are termed competent. Competence can be natural, as observed in certain bacteria and archaea, or artificially induced in the...
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Transformations of Functions III01:20

Transformations of Functions III

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Transformations modify the graphical representation of a function without changing its fundamental form. One common transformation is reflection, which flips the graph across a designated axis. When the vertical coordinates of all points are multiplied by the negative one, the entire graph is mirrored over the horizontal axis. This transformation reverses the vertical orientation of peaks and troughs, akin to signal inversion in electrical systems, where a waveform is flipped, but the timing of...
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Transformations of Functions II01:29

Transformations of Functions II

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Transformations in mathematics alter the position or orientation of a function’s graph while preserving its fundamental shape. One important type of transformation is the horizontal shift, which involves modifying the input variable within a function’s equation. This operation affects where outputs occur along the horizontal axis but does not alter the function’s overall structure.A horizontal shift is achieved by replacing the input variable x with either x + c or x - c,...
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Transformations of Functions I01:29

Transformations of Functions I

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A function's graph can be modified by changing its position or size without altering its overall shape. These transformations allow the graph to be moved across the coordinate plane while preserving its pattern and structure. One of the most common transformations is shifting, which repositions the graph without distorting it.When the output of a function is adjusted by adding or subtracting a constant, the graph shifts vertically. A positive value moves the graph upward, while a negative value...
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Definition of z-Transform01:26

Definition of z-Transform

1.4K
The z-transform is a powerful mathematical tool used in the analysis of discrete-time signals and systems. It is an essential analytical tool, analogous to the Laplace transform used in continuous-time systems. It plays a crucial role in the analysis of signals and systems, complementing the discrete-time Fourier transform. Both the z-transform and the Laplace transform convert differential or difference equations into algebraic equations, simplifying the process of solving complex problems.
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Source Transformation01:15

Source Transformation

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Source transformation is a fundamental technique employed in circuit analysis, offering a valuable tool for simplifying complex electrical circuits. This technique involves the replacement of either a voltage source in series with a resistor by a current source in parallel with a resistor, or vice versa. The key concept here is that when the original sources are deactivated (turned off), the equivalent resistance at the circuit's end terminals remains the same.
It is essential to note that when...
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Detection of Architectural Distortion in Prior Mammograms via Analysis of Oriented Patterns
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Evaluating complex transformation.

Allan Best1,2, Narelle Ong3, Penny Cooper4

  • 1InSource Research Group, West Vancouver, Canada.

Journal of Health Organization and Management
|May 5, 2020
PubMed
Summary
This summary is machine-generated.

This case study details evaluating public health emergencies, specifically drug overdose deaths in British Columbia. It highlights overcoming challenges in complex, multi-faceted response evaluations.

Keywords:
Emergency responseEvaluationOpioid crisisSystem transformation

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Area of Science:

  • Public Health
  • Health Services Research
  • Evaluation Science

Background:

  • Drug-related overdose deaths represent a significant public health emergency.
  • Evaluating complex, multi-faceted responses to such emergencies presents unique challenges.

Purpose of the Study:

  • To present a detailed case study on evaluating British Columbia's Provincial Response to the Overdose Public Health Emergency.
  • To outline the challenges and pragmatic strategies for evaluating complex public health interventions.

Main Methods:

  • Overview of the aims and scope of the evaluation for the overdose response.
  • Description of the conceptual approach and methodological challenges in evaluating large-scale, multi-level, multisectoral change.
  • Utilizing a mixed-method evaluation approach informed by stakeholders, including individuals with lived experience.

Main Results:

  • The evaluation employs a developmental, summative, and utilization-focused approach.
  • Engagement with government leads, grantees, and other stakeholders was crucial for defining evaluation scope.
  • Mixed methods will capture complex relationships informing the overdose response, with input from people with drug use experience.

Conclusions:

  • This case study contributes to the literature on evaluating large-scale, complex service transformations.
  • It offers a practical example of evaluation strategies for public health emergencies.
  • Emphasizes the importance of stakeholder engagement and lived experience in evaluation design.