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MATLAB tutorial online version. Methods in Computational Neuroscience Obidos, 2004 Thanks to Oren Shriki, Oren Farber and Barak Blumenfeld. Capabilities. Numerical calculations. Matrix manipulations. MATLAB = MATrix LABoratory Data Analysis Data Visualisation Simulations

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## MATLAB tutorialonline version

Methods in Computational Neuroscience

Obidos, 2004

Thanks to Oren Shriki, Oren Farber

and Barak Blumenfeld

### Capabilities

• Numerical calculations. Matrix manipulations.

• MATLAB = MATrix LABoratory

• Data Analysis

• Data Visualisation

• Simulations

• Neuronal models

• Network models

• Analytical calculations

• User interfaces

• ....

• ....

Starting MATLAB

• Desktop Demo

• type demo matlab desktop in the prompt ,and then start a „desktop environment“ demo

First steps. Learning by doing

• Matrix Manipulations

Data analysis

• Importing Data

• type demo matlab desktop in the prompt ,and then start a „importing data“

• Data Analysis Demo

• Interpolation Demo

3-D plots

• Mexican hat function

Poisson spike train generator

• Exercise 3

Spike times: ti

Interspike interval distribution: P[τ ≤ ti+1 - ti < τ +Δt] = rΔt exp(rτ).

Formula for generation: ti+1 = ti - ln(xrand)/r.

Relative refractory period:

Autocorrelation function

Ring neural network model

g(x)

T

• Weak coupling with homogeneous input

• Weak coupling with noisy tuned input

• Strong coupling with noisy tuned input

• Strong coupling with nonspecific input

Orientation maps

Orientation maps

Preferred orientation φ

Selectivity

2-D network of visual cortex

(courtesy of Barak Blumenfeld)

g(x)

T