Why??? Sum vector and matrix in prime

23 replies
10019 views
Translate All

I have do so:

Other

L

LucMeekesAnswer

23-Emerald V

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 V

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

Translate

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!

Translate

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