Best Answer

Truncation error is the error introduced when an series is shortened, i.e. "truncated", before it is complete.

For instance, 1/3 is 0.333333333...etc., but we place limits on how many decimal digits to use, so that introduces an error.

Another example is a large number, such as 240-1. That number, in binary, is 111111111111111111111111111111111111111, or 39 1's in a row. Place that in a floating point number, and you might only get 22 bits of resolution, so the internal value might only be, in binary, 1.1111111111111111111111x238. Rewriting that, you get 111111111111111111111110000000000000000, which is not exactly correct. The first number is 1,099,511,627,775. The second number is 1,099,511,496,704, an error of 131,071.

A third example is the seemingly innocuous representation of 0.1 in binary. In decimal, 0.1 is terminating and non repeating. Express it in binary, however, and you get 0.0001100110011001100...etc. Place that in a floating point number, and truncation error will make it like something like 0.0999999940395355224609375, in a 22 bit format, which is not exactly 0.1.

User Avatar

Wiki User

โˆ™ 13y ago
This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: What isTruncation error in numerical flow scheme?
Write your answer...
Still have questions?
magnify glass
Related questions

What has the author Yung K Choo written?

Yung K. Choo has written: 'Implementation of control point form of algebraic grid-generation technique' -- subject- s -: Fluid dynamics, Numerical grid generation - Numerical analysis - 'Interactive grid generation for turbomachinery flow field simulations' -- subject- s -: Computer graphics, Grid generation - Mathematics -, Computerized simulation, Computational grids, Turbomachinery, Flow distribution 'Composite grid and finite-volume LU implicit scheme for turbine flow analysis' -- subject- s -: Turbomachines, Numerical grid generation - Numerical analysis -

What kind of address scheme is used at data link layer?

Data link layer transforms the physical layer and makes it appear error free. Data link layer is responsible for physical addressing. It has some other functions like error control, flow control and access control.

What has the author T E Burton written?

T. E. Burton has written: 'The MINT computer program for numerical computation of turbulent flow' -- subject(s): Numerical solutions, Computer programs, Laminar flow, Navier-Stokes equations

What has the author Kirk LeRoi Oseid written?

Kirk LeRoi Oseid has written: 'Numerical prediction of turbulent oscillating flow and heat transfer in pipes with various end geometries' -- subject(s): Turbulent flow, Heat transfer, Spacecraft power supplies, Oscillating flow, Turbulence models, Numerical analysis, Stirling engines, Prediction analysis techniques, Pipe flow

What is flow of error of constent?

The flow of error of constant is 1)co-errocsion 2)under influence 3)frod 4)mis-representation 5)mistake 6)mistake of error 7)mistake of fact

What has the author S Birignen written?

S. Birignen has written: 'A numerical simulation of two-dimensional inlet flow fields' -- subject(s): Inlet flow

Would you need to change how you live life being a Taoist?

just be what you are;you are already with the flow,in the flow and you are the flow and who watches it too!!! no change warranted; even if you change itis in the scheme of things only

What kind of error is a P0174?

A P0174 error may occur when the Mass Air Flow is broken or dirty. Another cause is when there is a vacuum leak downstream towards the Mass Air Flow.

What are controlled functions?

Error Control Flow Control Line Discipline

What has the author Chaoqun Liu written?

Chaoqun Liu has written: 'Multigrid methods for flow transition in three-dimensional boundary layers with surface roughness' -- subject(s): Multigrid methods (Numerical analysis), Boundary layer, Transition flow 'Multigrid direct numerical simulation of the whole process of flow transition in 3-D boundary layers' -- subject(s): Boundary layer

What has the author A E F Spink written?

A. E. F. Spink has written: 'Application of numerical models to groundwater flow'

What has the author H A Hegna written?

H. A. Hegna has written: 'Numerical prediction of dynamic forces on arbitrarily pitched airfoils in turbulent flow' -- subject(s): Turbulent flow, Airfoils