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 Non linear fitting with erf function

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T O P I C    R E V I E W
Tithi Posted - 11/21/2022 : 02:03:28 AM
Origin Ver: OriginPro 2018 (64 bit) SR1 and Service Release (Select Help-->About Origin):
Operating System:

Respected sir,
I am trying to do non linear fitting with error function.But while using code builder at the time of compiling i got some error 15618 in origin C also found variable or function error not found.
Can you please help me for this

Equation is y=a*(err(x*R/sqrt(6))^3/q)^n+c*exp(-x^2*R^2/3)
1   L A T E S T    R E P L I E S    (Newest First)
Castiel Posted - 11/21/2022 : 05:31:31 AM
quote:
Originally posted by Tithi

Origin Ver: OriginPro 2018 (64 bit) SR1 and Service Release (Select Help-->About Origin):
Operating System:

Respected sir,
I am trying to do non linear fitting with error function.But while using code builder at the time of compiling i got some error 15618 in origin C also found variable or function error not found.
Can you please help me for this

Equation is y=a*(err(x*R/sqrt(6))^3/q)^n+c*exp(-x^2*R^2/3)



y=a*(err(x*R/sqrt(6))^3/q)^n+c*exp(-x^2*R^2/3)
what's "err"?


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