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colormatching functions

The tristimulus values corresponding to monochromatic stimuli of equal radiant power. Note: The three values of a set of colormatching functions at a given wavelength are called the colormatching coefficients. The colormatching functions may be used to calculate the tristimulus values of a color stimulus from the color stimulus function. [After SMPTE] 2. The tristimulus value per unit wavelength interval and unit spectral radiant flux. [After SMPTE] 3. A set of three simultaneous equations used to transform a color specification from one set of matching stimuli to another. [After SMPTE] Note: Colormatching functions adopted by the CIE are tabulated as functions of wavelength throughout the spectrum and are given in section 13.5 of ANSI/IES RP161986. [IEEE 100] 

