Catherine E. Brawner, Res. Triangle Educ. Consultants, Raleigh, NC, USA Xingyu Chen, Eng. Educ., Purdue Univ., West Lafayette, IN, USA Matthew W. Ohland, Eng. Educ., Purdue Univ., West Lafayette, IN, USA Marisa K. Orr, Mech. Eng., Louisiana Tech Univ., Ruston, LA, USA
It is shown that the abstracting of sensitivity feature is not only a conversion from quantity into quality, but also can be described by Qualitative Mapping, and wavelet transformation can be defined by qualitative mapping.