Knowledge base dedicated to Linux and applied mathematics.
Derivative f’ of the function f(x)=cos x is: f’(x) = - sin x for any value of x. Read More »
The derivative f’ of the function f(x)=1/x is: f’(x) = -1/x^2 for all nonzero real numbers x Read More »
How to write normal distribution in Latex ? Normal distribution (Gaussian distribution) is a probability distribution that is symmetric about the (...) Read More »
How to Find out biggest cpu/memory consuming processes with ps command ? Read More »
How to write empty set in Latex ? Several possibilities using either the default math mode or the amssymb package. The empty set in mathematics (...) Read More »
How to write if and only if symbol / equivalence in Latex ? In mathematics, if and only if (iff) is a biconditional logical connective between (...) Read More »
How to define horizontal, vertical and diagonal dots \ldots,\cdots,\vdots and \ddots Read More »
How to define horizontal and vertical curly braces ? Answer is here !!! Read More »
How to write matrices in Latex ? matrix, pmatrix, bmatrix, vmatrix, Vmatrix. Here are few examples to write quickly (...) Read More »
How to write euro/€ in Latex ? We gives two methods one without package another one using eurosym package. Second should be the best (...) Read More »
How to write copyright in Latex ? How to write trademark in Latex ? How to write registered in Latex ? Read More »
How to write derivatives in LateX? How to write sums in LateX? How to write products in LateX? How to write integrals in (...) Read More »
How to write degree symbol in LaTex ? It exists two methodes one using circ command, another one using package siunitix. Read More »
How to write square root symbol in LaTex ? Read More »
You run docker run hello-word and you get permission denied while trying to connect to the Docker daemon socket ... How to fix this (...) Read More »
Derivative f’ of the function f(x)=sinx is: f’(x) = cos x for any value of x. Read More »
Derivative f’ of the function f(x)=exp x is: f’(x) = exp x for any value of x. Read More »
How to prove that limit of lim (1+x)^(1/x)=e as x approaches 0 ? Read More »
How to prove that limit of tan x / x = 1 as x approaches 0 ? Read More »
How to prove that limit of sin x / x = 1 as x approaches 0 ? Read More »