User Rubem Pacelli - Mathematics Stack Exchange

Rubem Pacelli

Member for 3 years, 3 months
Last seen more than a week ago

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13 Answers

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4 votes

Standard notation for sum of vector elements?

answered Dec 10, 2022 at 1:27

2 votes

Domain, Codomain, Range, Image and Preimage

answered Oct 7, 2022 at 12:08

2 votes

What is the agreed upon definition of a "positive definite matrix"?

answered Nov 11, 2022 at 13:03

1 vote

Best notation for probability density function?

answered Oct 12, 2022 at 19:01

1 vote

Accepted

What is the difference between contour and line integrals?

answered May 17 at 6:33

0 votes

Does convex optimization belong to linear or nonlinear programming?

answered Sep 5, 2022 at 2:20

0 votes

WSS implies IID?

answered Nov 4, 2022 at 1:12

0 votes

Is there a word similar to "iff" meaning "one and only one"?

answered Nov 29, 2022 at 13:05

0 votes

Does the symbol $\nabla^2$ has the same meaning in Laplace Equation and Hessian Matrix?

answered May 8 at 23:38

0 votes

Can anyone please explain the the difference between a vector and a matrix?

answered Dec 11, 2022 at 21:43

0 votes

How are matrices related to vectors?

answered Dec 11, 2022 at 22:00

0 votes

How to derive the formula of the sum of this finite series: $\sum_{n=M}^N a^n$

answered Apr 4 at 23:55

0 votes

Is a differential equation involving a multivariate function and exactly one of its partial derivatives an ODE?

answered Aug 16 at 21:28