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  Working with Variables > Defining an Expression       

Using Piecewise Linear Functions in Expressions

The following piecewise linear intrinsic functions are accepted in expressions:

pwl (dataset_expression, variable)

pwl_periodic (dataset_expression, variable)

The pwl function interpolates along the x-axis and returns a corresponding y value. The pwl_periodic function also interpolates along the x-axis but periodically.

Related Topics

Adding Datasets

Adding a Design Variable

Modifying Datasets

Using Dataset Expressions