Control of partial differential equations (PDEs) is a research domain dedicated to the design and implementation of control strategies to regulate systems described by equations involving spatial and ...

Variable names are alphanumeric but must start with a letter. The length of a variable name is limited to thirty-two characters for non-SAS data set variables Model variables are declared by VAR, ...

The CONTROL statement declares control variables and specifies their values. A control variable is like a parameter except that it has a fixed value and is not estimated from the data. You can use ...

Microsoft Excel allows you to perform equations in individual cells in your worksheet. The Microsoft Equation Editor contains many symbols and operators not commonly found on your keyboard. This ...