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Questions concerning argument patterns used as formal arguments in function definitions (e.g., := expressions) to restrict the kinds of values that can be passed as actual arguments. Also questions about how such patterns can be used to achieve function overloading.
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How to use patterns to specify variable type as Boolean (True, False) in analogy to x_Intege...
Say I define a function f[x_, y_]:= ..., the concrete definition of which is not important now.
What is important though is, that I want x to be a real number, and y to be a boolean variable, such th …