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sangram patra Grade: 12
`        what is tensor`
7 years ago

## Answers : (1)

AKASH GOYAL AskiitiansExpert-IITD
419 Points
```										Dear Sambit
Tensors, defined mathematically, are simply arrays of numbers, or functions, that transform  according to certain rules under a change of coordinates.  In physics, tensors characterize the  properties of a physical system, as is best illustrated by giving some examples (below).   A tensor may be defined at a single point or collection of isolated points of space (or space-time),  or it may be defined over a continuum of points.  In the latter case, the elements of the tensor  are functions of position and the tensor forms what is called a tensor field.  This just means that  the tensor is defined at every point within a region of space (or space-time), rather than just at a  point, or collection of isolated points.
The notation for a tensor is similar to that of a matrix (i.e., ), except that a tensor , , , etc., may have an arbitrary  number of indices
All the bestAKASH GOYALAskiitiansExpert-IITDPlease feel free to post as many doubts on our discussion forum as you can. We are all IITians and here to help you in your IIT JEE preparation. Now you can win exciting gifts by answering the questions on Discussion Forum. So help discuss any query on askiitians forum and become an Elite Expert League askiitian.
```
7 years ago
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