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DERIV

Derivative

Block Screenshot

Contents

Description

The Derivative block approximates the instantaneous derivative of its input with respect to time t.

y(t) = (u(t) - u(t-h)) / h

The derivative block has no setting and the initial output for the block is zero.

Default properties

Interfacing function

Computational function

Example

In this example, we compute and display the derivative waveform of a sinusoidal input signal, with amplitude 2 and frequency 1.25 Hz.

The input and output waveforms of the DERIVATIVE block are shown below:


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