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## Random DatasetAnother dataset is one used especially for demonstrational purposes, sinces it provide no real information, the random dataset. Data points (X, Y) are X as sequential and Y as a random value.
## Function DatasetIt is (often) very usefull to visualize a mathematical function on a graph. To do this the function dataset is provided. The data points (X, Y) are evaluated as X is sequential and Y is the function applied to the X value, ie Y = f(X). The function needs to be a single parameter function and return a single primitive value, like for instance sin, cos, etc. The dataset below is an example of how to use a standard function.
The dataset below is an example of how to use a user function.
The dataset below is demonstrates the same as the above but using create_function().
## Vector Function DatasetThe vector function dataset is in many ways the same as the function dataset. The main (and basically the only) difference is that the (X, Y) data is calculated as (fx($T), fy($T)) instead of ($X, f($X)). The dataset below is an example of how to use a vector function.
The dataset below is an example of how to use a vector function with 2 user functions.
Similarly to the function dataset it's possible to use the create_function() to specify the function-parameters to use.
Documentation generated on Wed, 15 Sep 2004 10:29:51 +0200 by phpDocumentor 1.2.3 |