R-function

Summary

• A mathematical function is called an R-function if its sign can change if and only if the sign of one of its arguments change. Typically, the function itself as well as its arguments are real-valued.

Similar Topics

• Z function
• K-function
• L-function
• Function
• IF function
• Pi function
• Eta function
• Partial function
• Periodic function
• Majority function

Related Topics

• If and only if
• Sign of One
• The Sign

  * This page is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "R-function".