Sine with Jumps at 0.3 and 0.72

$$heavisine(x) = 4\sin(4{\pi}x) - \mathrm{sign}(x-0.3) - \mathrm{sign}(0.72-x)$$

data(heavisine)

Format

A vector containing 512 observations.

Source

S+WAVELETS.

References

Bruce, A., and H.-Y. Gao (1996) Applied Wavelet Analysis with S-PLUS, Springer: New York.