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See the recommended documentation of this function

# squarewave

generates a square wave with period 2*%pi

### Calling Sequence

x=squarewave(t [,percent])

### Arguments

- t
real vector, time discretization

- x
real vector, the wave value at each time point in set (-1,+1)

- percent
real positive scalar, the percent of the period in which the signal is positive. Defaut value is 50

### Description

`squarewave(t)`

generates the vector of the values
of the square wave with period 2*%pi at each date given in the
`t`

vector.

`squarewave(t,%)`

generates a square wave such that
`%`

is the percent of the period in which the signal is
positive.

## Comments

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