Expression Functions | JMP 12

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JSL Syntax Reference • JSL Functions • Expression Functions

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Expression Functions

Arg Expr(expr, i)

Finds the argument numbered by i within the given expression.

The ith argument within the expression expr.

Empty() if that argument does not exist or is not specified.

an expression defined previously in the JSL script.

an integer denoting which argument to return.

Arg Expr() was deprecated in a previous release of JMP. Use Arg() instead.

Eval Expr(expr)

Evaluates any expressions within expr, but leaves the outer expression unevaluated.

An expression with all the expressions inside expr evaluated.

Any JSL expression.

Returns the argument unevaluated (expression-quoting).

The argument, unevaluated.

Any valid JSL expression.

Extract Expr(expr, pattern)

Find expr matching pattern.

A pattern that matches the specified pattern.

Any expression.

Head Expr(exprArg)

Returns the head of the evaluated expression, without its arguments.

Head Expr() is deprecated. Use Head() instead.

Head Name(expr)

Head Name Expr(expr)

Returns the head of the evaluated expression as a string.

Head Name Expr() is deprecated. Use Head Name() instead.

Integrate(expr, varname, lowLimit, upLimit, <<Tolerance(1e-10), <<StoreInfo(list), <<StartingValue(val))

Integrates an expression with respect to a scalar value, using the adaptive quadrature method from Gander and Gautschi (2000).

expr an expression that defines the integrand.

varname the name of the variable of integration. If this variable contains a value, that value specifies a starting value that is used as a typical value to improve the accuracy of the integral.

lowLimit specifies the lower limit of integration. To specify negative infinity as the lower limit of integration, set this to missing.

upLimit specifies the upper limit of integration. To specify positive infinity as the upper limit of integration, set this to missing.

StoreInfo saves diagnostics of the numerical integration routine to the argument of StoreInfo().

StartingValue specifies a starting value that is used as a typical value to improve the accuracy of the integral.

Returns the number of arguments of the evaluated expression head.

N Arg Expr(exprArg)

Returns the number of arguments of the expression head.

Returns the unevaluated expression of x rather than the evaluation of x.