how to fit a histogram with fixed parameters

From: Xianguo (Hsien-Kuo) LU <>
Date: Mon, 12 Jun 2006 18:16:05 +0800

 Hi, rooters!

I want to fit a histogram with fixed parameters. I did the following:

f=new TF1("f","gaus",0,1);


but after fitting, the parameter changed. Can somebody tell me why and how to solve it?

Thanks in advance!

Xianguo LU

Take flight into the sky, beyond the moon, beyond my mind.

Xianguo LU (Hsien-Kuo LU)
Physics Department, Peking University
Beijing, China
Tel: 0086-10-62753888(o)
Received on Mon Jun 12 2006 - 12:16:12 MEST

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