Analytical descriptions of functions in Fourier series. Hello friends, today I’ll talk about the analytical descriptions of functions in Fourier series. Have a look!!

## Main Content

### Latest post

### Matrix analysis

#### Rank of a square matrix

Rank of a square matrix. Here it’s about the rank of a square matrix. Have a look!!

### Vector analysis

#### Unit normal vector to any surface

Unit normal vector to any surface. Hello friends, today it’s about the unit normal vector to any surface. Have a look!!

### First-order differential equations

#### Solve first order ODE using transformations

Solve first order ODE using transformations. Hello friends, today I’ll show how to solve first order ODE using transformations of variables.

### Partial fractions

#### Partial fractions of higher degree numerators

Partial fractions of higher degree numerators. Here I talk about partial fractions of higher degree numerators. That means the expressions with higher degree numerators.

### Differentiation

#### Quotient rule of differentiation

Quotient rule of differentiation. Today I will talk about the quotient rule of differentiation. Here it goes.

### Difference equations & z-transform

#### Second-order difference equations

Second-order difference equations. Hi guys, today it’s all about the second-order difference equations. Have a look!!

### Second-order differential equations

#### What happens with trigonometric functions as particular integrals?

What happens with trigonometric functions as particular integrals?

### Laplace transform

#### Laplace transform to solve second-order differential equations

Laplace transform to solve second-order differential equations. Hi guys, today I’ll talk about how to use Laplace transform to solve second-order differential equations. Have a look.