IBM Release 1.93 manual Integral, 3.8.20. LN, Max, Confine, Minimize, Pow

nright=number of places to the right of the decimal exptol=trigger for exponential notation nexp=number of places in the exponent

FORMAT(’12345.73’,,,2,2)		→	’1.234573E+04’
FORMAT(’12345.73’,,3,,0)		→	’1.235E+4’
FORMAT(’1.234573’,,3,,0)		→	’1.235’
FORMAT(’12345.73’,,,3,6)	→	→	’12345.73’
FORMAT(’1234567e5’,,3,0)		’123456700000.000’

3.8.19. INTEGRAL

Computes the 1-dimensional integral of user function f from xlo to xhi. Just a stub at present.

Syntax: INTEGRAL(f, xlo, xhi)

3.8.20. LN

Natural logarithm.

Syntax: ln(<expression>)

3.8.21. MAX

Returns the most positive of its arguments.

Syntax: max(<expression>, <expression>,...,<expression>)

3.8.22. MIN

Returns the most negative of its arguments.

Syntax: min(<expression>, <expression>,...,<expression>)

3.8.23. CONFINE

Constrains the given value to be not less than the minimum and not more than the maximum values (if given). Confine works by reflecting the given value off the limits, so that the confined value is a continuous function of all its inputs. The graph of CONFINE(x, upper, lower) vs x is a triangle wave; that of CONFINE(x,,lower), a V shape; and that of CONFINE(x,upper) an upside-down V shape.

Syntax: confine(x, upper) confine(x, , lower) confine(x, upper, lower)

3.8.24. MINIMIZE

Finds the value of x at which user function f(x) is minimized, within the limits xlo ≤ x ≤ xhi. Currently just a stub.

Syntax: MINIMIZE(f,xlo, xhi)

3.8.25. POW

Computes arg1arg2. No error checking is performed for raising 0 to a negative power or a negative number to a fractional power.

Syntax: Pow(<expression>,<exponent_expression>)

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