# Vector space homomorphism

Explain briefly,if V and W are of dimensions m and n respectively over F,then Hom(V,W) is of dimension mn over F.

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Posted on Feb 28, 2008

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Just add the three vectors together. The first vector is 0.0i + 4.0j . The second vector is about 1.4i - 1.4j . The third is about -0.7i - 0.7j .

Adding the three vectors together gives about 0.7i + 1.9j .The exact answer is sqrt(0.5)i + (4.0-3sqrt(0.5))j .

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### Is time three dimentional or four dimentional?

Because of Einstein, we often call time the fourth dimension. Special relativity shows that time behaves surprisingly like the three spatial dimensions. The Lorenz equations show this. Length contracts as speed increases. Time expands as speed increases.
Scientists have been graphing time, as if it were a length, for hundreds of years. To the left is a typical graph, showing two things in motion at the same speed, one to the left and one to the right. Time never behaves exactly like a spatial dimension. You cannot go backward in time. And you normally cannot go forward at different rates. But, there are surprising parallels. For some purposes, it is handy to call time a fourth dimension. For other purposes, it is not.
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A science fiction story says that time is the fourth dimension, and space is the fifth. Space is the first three dimensions

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### Error 13 dimension

From the manual:
• You entered an argument with an inappropriate dimension.
• You entered a matrix or vector dimension less than 1 or greater than 255 or a non-integer.
• You attempted to invert a matrix that is not a square matrix.
If you can't figure it out from here, please reply to this post telling us what you were doing or attempting to do when you got this error.

Nov 03, 2010 | Texas Instruments TI-86 Calculator

### Ti 86 error 13 dimension

From the manual:
• You entered an argument with an inappropriate dimension.
• You entered a matrix or vector dimension less than 1 or greater than 255 or a non-integer.
• You attempted to invert a matrix that is not a square matrix.
If you can't figure it out from here, please reply to this post telling us what you were doing or attempting to do when you got this error.

Nov 02, 2010 | Texas Instruments TI-86 Calculator

### Everytime I try to graph on my calculator it says ERROR 13 DIMENSION. How do I fix that?

From the manual:

You entered an argument with an inappropriate dimension.
You entered a matrix or vector dimension less than 1 or greater than 255 or a non-integer.
You attempted to invert a matrix that is not a square matrix.

If you can't figure it out from here, please reply to this post telling us what you were plotting or attempting to plot when you got this error.

Sep 17, 2010 | Texas Instruments TI-86 Calculator

### When i try to graph anything, EEROR 13 DIMENSION comes up! what do i do??? i neev my calulator to wokr , i have a tst tomorrow! :/

From the manual:

You entered an argument with an inappropriate dimension.
You entered a matrix or vector dimension less than 1 or greater than 255 or a non-integer.
You attempted to invert a matrix that is not a square matrix.

If you can't figure it out from here, please reply to this post telling us what you were graphing or attempting to graph when you got this error.

Sep 09, 2010 | Texas Instruments TI-86 Calculator

### Error 13 dimension

From the manual:

You entered an argument with an inappropriate dimension.
You entered a matrix or vector dimension less than 1 or greater than 255 or a non-integer.
You attempted to invert a matrix that is not a square matrix.

If you can't figure it out from here, please reply to this post telling us what you were doing or attempting to do when you got this error.

Aug 28, 2010 | Texas Instruments TI-86 Calculator

### How can I solve an error 13 dimension, when I need to seea graffic. Thanks

From the manual:

You entered an argument with an inappropriate dimension.
You entered a matrix or vector dimension less than 1 or greater than 255 or a non-integer.
You attempted to invert a matrix that is not a square matrix.

If you can't figure it out from here, please reply to this post telling us what you were plotting or attempting to plot when you got this error.

Jun 06, 2010 | Texas Instruments TI-86 Calculator

### What does error #13 dimension mean on my TI-86 calculator, please.

Three possibilities:

1) You entered an argument with an inappropriate dimension.

2) You entered a matrix or vector dimension < 1 or > 255 or a noninteger.

3) You attempted to invert a matrix that is not a square matrix.

If you need further help, please specify the exact problem you're trying to solve.

Feb 10, 2010 | Texas Instruments TI-86 Calculator

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DIMENSION OF 532: H=84" W=48" D=24" MINIMUM HEIGHT=82 7/8" DOOR SWING=29 1/4"

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