Knowledge base dedicated to Linux and applied mathematics.
How to write derivatives in LateX? How to write sums in LateX? How to write products in LateX? How to write integrals in LateX? Read More »
How to write matrices in Latex ? matrix, pmatrix, bmatrix, vmatrix, Vmatrix. Here are few examples to write quickly matrices. Read More »
How to write a vector in Latex Read More »
A little tutorial to show how we generate self-signed certificates. It’s now even easier with the Makefile provided by Linux CentOS / RedHat. I (...) Read More »
In LaTeX, to place text above an arrow, you can use the command \xrightarrow included in the amsmath package. Read More »
In mathematics, the not equivalent symbol is used to represent the relation "not equivalent to". In LaTeX, this symbol can be represented using (...) Read More »
In mathematics, we often use the symbol $\propto$ to indicate that two quantities are proportional. In LaTeX, the phrase "is proportional to" (...) Read More »
In mathematics, the intersection and big intersection symbols are used to represent the intersection of two sets or the intersection of multiple (...) Read More »
In mathematics, we often use the symbol $\approx$ to indicate that two quantities are approximately equal. In LaTeX, the word "approximately" (...) Read More »
In mathematics, the Dagger symbol ($\dagger$) is often used to denote a related or dual object. In LaTeX, the Dagger symbol can be represented (...) Read More »
In mathematics, the union symbol is used to represent the union of two sets. The big union symbol is used to represent the union of several (...) Read More »
In mathematics, the greater than or similar to symbol is used to represent a relation between two quantities. In LaTeX, this symbol can be (...) Read More »
In mathematics, the Laplace transform is used to convert a function of time into a function of the complex frequency s. In LaTeX, you can (...) Read More »
In statistics, the variance is a measure of how spread out a set of data is from its mean value. The variance is often denoted using the symbol (...) Read More »
In mathematics, the transpose symbol is used to represent the transpose of a matrix. In LaTeX, the transpose symbol can be represented using the (...) Read More »
In probability theory, the characteristic function of a random variable is a complex-valued function that describes the distribution of that (...) Read More »
The complement of a set A is the set of all elements that are not in A. In LaTeX, the complement of a set can be represented using the (...) Read More »
In mathematics, partial derivatives are used to study how a function of multiple variables changes with respect to a specific variable while (...) Read More »
The derivative of u(x).v(x) is given by : u’(x).v(x) + u(x). v’(x). Let’s prove it using limits. Read More »
The derivative of u(x)/v(x) is given by : (u’(x)v(x) - u(x) v’(x))/v^2(x). Let’s prove it using the derivative of an inverse function rule and (...) Read More »