Q: Can a 3x5 matrix be multiplied by a 3x5 matrix?

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Yes. If one matrix is p*q and another is r*s then they can be multiplied if and only if q = r and, in that case, the result is a p*s matrix.

It is a scalar multiplier.

(p+3)5 or p(3x5) depending on what way you say it.

A 7*2 matrix (not matrice) and a 2*6 matrix, if multiplied together, will from a 7*6 matrix.

If n is a natural number and M is a matrix, then Mn denotes the matrix M multiplied by itself n times. We can include n=0, but that is just the identity matrix. So the power of a matrix is very similar to the exponents that are used for numbers.

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No it can't !!!Matrix property: A matrix A of dimension [nxm] can be multiplied by another B of dimension [ txs] m=t.m=t => there exist a C = A.B of dimension [nxs].Observe that given [3x5] and [3x5], 5!=3(not equal to) so you can't!

3x5=15 3 x5

That is called an inverse matrix

Yes. If one matrix is p*q and another is r*s then they can be multiplied if and only if q = r and, in that case, the result is a p*s matrix.

It is a scalar multiplier.

(p+3)5 or p(3x5) depending on what way you say it.

The phrase "idempotent matrix" is an algebraic term. It is defined as a matrix that equals itself when multiplied by itself.

somebody answer

A 7*2 matrix (not matrice) and a 2*6 matrix, if multiplied together, will from a 7*6 matrix.

not all the time

If n is a natural number and M is a matrix, then Mn denotes the matrix M multiplied by itself n times. We can include n=0, but that is just the identity matrix. So the power of a matrix is very similar to the exponents that are used for numbers.

3x5 is 15. 36x5 is 180. 180 secs is 3 minutes. So 15 hrs and 3 mins.