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==== See also ====
 
==== See also ====
 
Find if a number is an integer.
 
Find if a number is an integer.
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== Parametrized Functions ==
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==== Problem  ====
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One sometimes needs to define a family of functions depending on a set of parameters, ''e.g.''
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<math>f (x, y, z; a, b, c)</math>
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where
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<math>x, y, z</math>
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denote a the variables on which the function operates and
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<math>a, b, c</math>
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are the parameters used to chose one specific element of the family of functions.
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For example, let's say we want to implement a function that given the spring constant
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<math>k</math> and the initial elongation <math>x_0</math> of a
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==== Solution ====
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==== Discussion ====
    
== Plotting ==
 
== Plotting ==
 
== User input ==
 
== User input ==
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