Module utilfuncs

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Utility mathematical functions and common lineshapes for minimizer

Functions

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gauss(x, amp, cen, wid)
gaussian function: wid = half-width at half-max

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loren(x, amp, cen, wid)
lorenztian function: wid = half-width at half-max

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gauss_area(x, amp, cen, wid)
scaled gaussian function: wid = half-width at half-max

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loren_area(x, amp, cen, wid)
scaled lorenztian function: wid = half-width at half-max

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pvoigt(x, amp, cen, wid, frac)
pseudo-voigt function: (1-frac)*gauss(amp, cen, wid) + frac*loren(amp, cen, wid)

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pvoigt_area(x, amp, cen, wid, frac)
scaled pseudo-voigt function: (1-frac)*gauss_area(amp, cen, wid) + frac*loren_are(amp, cen, wid)

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pearson7(x, amp, cen, wid, expon)
pearson peak function

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pearson7_area(x, amp, cen, wid, expon)
scaled pearson peak function

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Variables

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log2 = 0.69314718055994529

pi = 3.14159265359

CUSTOM_FUNCTIONS = {'gauss': gauss, 'gauss_area': gauss_area, ...

__package__ = 'ComboCode.cc.ivs.sigproc.lmfit'

Variables Details

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CUSTOM_FUNCTIONS

Value:

{'gauss': gauss, 'gauss_area': gauss_area, 'loren': loren, 'loren_area
': loren_area, 'pvoigt': pvoigt, 'pvoigt_area': pvoigt_area, 'pearson7
': pearson7, 'pearson7_area': pearson7_area}