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## PowerPoint Slideshow about ' Arrays - Introduction' - kaleb

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Presentation Transcript

Definition: ARRAYS

- What?
- ONE variable that contains MORE THAN ONE value.

VECTORS (1D)

MATRICES (2D,3D..)

pressures

velocity

densities

temperatures

When to use arrays

- Data Base (Keep data together)

When to use arrays

- Keep data together (data base)
- Create data tables (financial analysis…)

When to use arrays

- Keep data together (data base)
- Create data tables (multiplication, sine, cosine, financial analysis…)
- Study properties of fluids (CFD)

CFD

Shock Waves

Aerodynamics

CFD = Computational Fluid Dynamics

->Solve and analyze problems that involve fluid flows

Shock Waves

CFD

Shock Waves

Aerodynamics

Matrices: Grids or Mesh

T : temperature

P : pressure

u : velocity

: density

Fluid Flow

CFD

Shock Waves

Aerodynamics

Matrices: Grids or Mesh

1st layer : T

2nd layer: P

3rd layer:

4th layer: u

Fluid Flow

Or.. 1 unique 3Dimensional array !!!

When to use arrays

- Keep data together (data base)
- Create data tables (multiplication, sine, cosine, financial analysis…)
- Study properties of fluids (CFD)
- Upload tremendous amount of data from files

When to use arrays

- Keep data together (data base)
- Create data tables (multiplication, sine, cosine, financial analysis…)
- Study properties of fluids (CFD)
- Upload tremendous amount of data from files
Etc…

Lessons Learned

- What is an array?
- Difference between “vector” and “matrix”
- Various examples showing the big pictures of arrays
- What’s next? Creating arrays using MATLAB!

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