Why??? Sum vector and matrix in prime

Forum|Forum|9 years ago
September 27, 2016
2 replies
9864 views

I have do so:

Other

Best answer by LucMeekes

Because the summation operator without indices is designed to work only with vectors and ranges, not with matrices.

It's been that way in Mathcad also:

It also doesn't accept pure numbers:

But I would fully agree with you that there is no compelling reason to limit the summation operator in this way. Especially because the mean function accepts all:

Luc

L

LucMeekes

Answer

23-Emerald IV

Because the summation operator without indices is designed to work only with vectors and ranges, not with matrices.

It's been that way in Mathcad also:

It also doesn't accept pure numbers:

But I would fully agree with you that there is no compelling reason to limit the summation operator in this way. Especially because the mean function accepts all:

Luc

V

ValeryOchkov

Author

24-Ruby IV

LucMeekes написал(а):

But I would fully agree with you that there is no compelling reason to limit the summation operator in this way. Especially because the mean function accepts all:

Luc

One more bad limitation (Net v jizni schact'ia!)

Matrix and vector in Solver!

S

StuartBruff

23-Emerald V

LucMeekes wrote:

Because the summation operator without indices is designed to work only with vectors and ranges, not with matrices.
It's been that way in Mathcad also:

It also doesn't accept pure numbers:

But I would fully agree with you that there is no compelling reason to limit the summation operator in this way. Especially because the mean function accepts all:

Luc