rounding error

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Figure 7: Effect of round-off errors on the graphic representation of a linear equation.

Figure 8: Graphic solution of two linear equations, showing the effect of round-off error. Instead of two ideal lines intersecting in a single point, two narrow bands intersect in a region of finite area.

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rounding error

mathematics

Also known as: round-off error

Learn about this topic in these articles:

error

In error
In numerical analysis, round-off error is exemplified by the difference between the true value of the irrational number π and the value of rational expressions such as 22/7, 355/113, 3.14, or 3.14159. Truncation error results from ignoring all but a finite number of terms of an infinite series.…
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numerical analysis

In numerical analysis: Common perspectives in numerical analysis
…as large problems contain many rounding errors. Numerical analysts are generally interested in measuring the efficiency (or “cost”) of an algorithm. For example, the use of Gaussian elimination to solve a linear system Ax = b containing n equations will require approximately 2n³/3 arithmetic operations. Numerical analysts would
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