Home page for accesible maths
2.7
Curves in three-dimensional space
3.1
Some examples
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Font (2 3)
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Word spacing (6 7)
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3
Functions of two or more variables
3.1
Some examples
3.2
The gradient vector
3.3
Expressing
f
as
∇
ϕ
3.4
The chain rule and applications
3.5
Constrained maxima and minima