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In[2]:=
data = {{1.0, 1.0, .126}, {2.0, 1.0, .219},
{1.0, 2.0, .076}, {2.0, 2.0, .126}, {.1, .0, .186}};

In[1]:=
NonlinearFit[data,
theta1 theta3 x1 / (1 + theta1 x1 + theta2 x2),
{x1, x2}, {theta1, theta2, theta3}]

Out[1]=
\!\(NonlinearFit[data, \(theta1\ theta3\ x1\)\/\(1 + theta1\ x1 + theta2\ \
x2\), {x1, x2}, {theta1, theta2, theta3}]\)

[ Last edited by laizuliang on 2007-9-25 at 08:27 ]
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Originally posted by hongyexi at 2007-6-1 16:43:
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data = {{1.0, 1.0, .1 ...

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