Waveform generation apparatus and waveform generation program

A non-transitory computer-readable storage medium having stored thereon a waveform generation program that is executable by a computer, the program being executable by the computer to perform functions comprising:

• Takens' plot processing which expands a coordinates information group to show original waveform data upon a two-dimensional phase space having a time axis and a wave height value axis to an n-dimensional phase space (n>2) including a time axis and a wave height value axis by using Takens' embedding theorem, and converts the coordinates information group consecutively to show an attractor data upon the n-dimensional phase space;
• area demarcation processing which demarcates a predetermined area upon the n-dimensional phase space;
• time information acquisition processing which acquires the coordinates information group consecutively that belongs to a demarcated area, specifies one of the coordinates information from among the coordinates information group consecutively acquired and acquires coordinate values corresponding to the time axis within the coordinates information as time information;
• and
• waveform output processing, while outputting the original waveform data, generates and outputs a composite waveform data by adding a predetermined waveform data to the original waveform data from a position of the original waveform data upon the time axis corresponding to the acquired time information.