Indeterminate equation

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(Math.) an equation in which the unknown quantities admit of an infinite number of values, or sets of values. A group of equations is indeterminate when it contains more unknown quantities than there are equations.

See also: Indeterminate

References in periodicals archive ?
The Arithmetica dealt with both determinate and indeterminate equations. The rule for solving the general quadratic equation was not to be found in the surviving books but from certain specific problems it appears that the method of solving [alpha][x.sup.2] + bx + c = 0 involved multiplying by a and completing the square much as we do today.
Bag summarizes the development of solution procedures for second-degree indeterminate equations in seventh-through twelfth-century Indian mathematics, with a useful analysis of the methods in terms of their later rediscovery and modern equivalents.
In indeterminate equations the Hindus advanced beyond Diophantus.