I am trying to solve for $x$ in $Ax = B$ in matlab as well as attempting to understand the actual process behind solving a linear equation of said form. M...

We'll consider The Hedgehog space, and use the definition from Wikipedia (link to the current revision): Let $\kappa$ a cardinal number, the $\kappa$...

I look for possiblity to define sin/cos through algebraic relations without involving power series, integrals, differential equation and geometric intuiti...

I'm trying to derive the characteristic function for the Laplace distribution with density $$\frac{1}{2}\exp\{-|x|\}$$ My attempt: $$\frac{1}{2}\int_...

Given the following function $R(x)$ [in pic] find the vertical, horizontal, oblique asymptotes. In order to find the asymptotes you need to reduce the fun...

How do we find the inverse of the function $f:(-1,1)\to \Bbb R$ by $f(x)=\frac{x}{1-x^2}$? The problem has been posted here and the answer below says "To ...

If I am asked to solve a systems of equation, how would I know which method (substitution, or elimination) to use? What set of conditions should I be look...

What is the difference between a Set, a Vector, and a Vector Space? Please, explain without using formal math notations. Because if you use formal math no...

Evaluate: $$\operatorname{arccos} \frac{2}{\sqrt5} + \operatorname{arccos} \frac{3}{\sqrt{10}}$$ We let $$\alpha = \operatorname{arccos} \frac{2}{\sqrt5} ...

What is the usual meaning of having the symbol $\hat{}$ (i.e., a hat) over a vector name? What do vectors denoted by $\hat{\mathbf{u}}$ usually represent?...