Casyopee - Functions with values in IR² and parametric curves
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Functions with values in IR²

Parametric curves

Functions with values in IR²

Functions with values in IR² are entered by way of the create function menu of the function list bar, entry by domain+formula. As compared with functions with values in IR, he difference is that in the formula field, two algebraic formulas are entered between brackets and separated by a comma.

Figure 132{C} Entering  a function with values in IR²

The display in the algebraic tab is the same as compared with functions with values in IR. The same transformations are applicable. Each sub-function can be obtained via the sub-expression entry.

Figure 133{C} Function with values in IR ²: transformations and graphs

The graph window displays the two graphs in the same colour. The bigger pointer is for the first function. You can move it and the other follows.

 

Parametric curves

After entering a function with values in IR², the corresponding parametric curve is displayed via the create curve menu of the Geometry tab. When moving the pointer in the graph window, a mark moves accordingly over the curve.

Figure 134{C}- Parametric curves

It is interesting to explore various configurations by changing the value of the parameter.


Creation date : 06/10/2014 - 16h20
Category : - help
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