Differential Equations vs Linear Algebra

In summary, Linear Algebra and Vector Analysis for Engineers is a course that covers matrix theory, linear equations, Gauss elimination, determinants, eigenvalue problems and first order systems of ordinary differential equations, vector field theory, and theorems of Green, Stokes, and Gauss. Methods of Differential Equations is another course that covers first order equations, higher order linear equations with constant coefficients, undetermined coefficients, variation of parameters, applications, Euler's equation, series solutions, special functions, linear systems, and elementary partial differential equations. Both courses are taken simultaneously in upper sophomore year according to the school's sample curriculum, but it is up to the students to decide whether to take both. Linear algebra is considered more "fundamental" and useful for various
  • #1
jwxie
281
0
Linear Algebra and Vector Analysis for Engineers

Matrix theory, linear equations, Gauss elimination, determinants, eigenvalue problems and first order systems of ordinary differential equations, vector field theory, theorems of Green, Stokes, and Gauss.

Methods of Differential Equations
First order equations; higher order linear equations with constant coefficients, undetermined coefficients, variation of parameters, applications; Euler's equation, series solutions, special functions; linear systems; elementary partial differential equations and separation of variables; Fourier series.

This fall I might be able to take both courses. According to our school's sample curriculum, both courses are taken simultaneously in upper sophomore year (spring). Of course it is upon the decision of the students.

My questions are: how hard are both courses? Should I take both? Between the two, which one looks more like a prerequisite (preparation) for the other?

Thank you.
 
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  • #2
If I were to give an opinion on which one were more "fundamental", then I'd say the linear algebra one. And that would certainly be the more useful subject to know (depending of course on what you intend to go on and do).

Methods of solving differential equations tend to be just that: a list of different methods which work in different cases. Although being able to solve differential equations is essential for a physicist, engineer etc, it won't help in any area other than differential equations. Linear algebra, on the other hand, is used all over the place.
 
  • #3
Thank you mrbohn1. I am a CUNY City student.
 
  • #4
What applications are you interested in? Some fields use linear algebra heavily (computer vision) and some field use differential equations heavily (control theory).

Dave
 
  • #5
daviddoria said:
What applications are you interested in? Some fields use linear algebra heavily (computer vision) and some field use differential equations heavily (control theory).

Dave

I am still not sure yet. But I believe as a computer engineering major (and also intended doing physics as well) I'd like to work in fields like electronic devices, such as microprocessor.

I guess I should say physics in general, but for career-wise, solid states, quantum physics.
 
  • #6
"What applications are you interested in?"
I am interested in Linear algebra and defferential Equations although it is not really useable in any other fields of works. . .
 
  • #7
FranciaDale said:
"What applications are you interested in?"
I am interested in Linear algebra and defferential Equations although it is not really useable in any other fields of works. . .

What? Both Linear Algebra and Differential Equations are used extensively in Physics, Chemistry, Biology, ... any science, as well as Economics and Business Administration!
 

1. What is the difference between differential equations and linear algebra?

Differential equations and linear algebra are both branches of mathematics that deal with equations, but they have different approaches and applications. Differential equations focus on the relationship between a function and its derivatives, while linear algebra deals with linear relationships between variables.

2. Which one is more important, differential equations or linear algebra?

It depends on the specific application. Differential equations are essential for understanding physical systems and predicting their future behavior, while linear algebra is important in data analysis, computer graphics, and engineering. Both fields have their own strengths and are equally important in different contexts.

3. Can differential equations be solved using linear algebra?

Yes, differential equations can be solved using linear algebra techniques. For example, systems of linear differential equations can be solved using methods such as matrix multiplication, Gaussian elimination, and eigenvalue analysis.

4. How are differential equations and linear algebra used in real-world applications?

Differential equations are used to model and understand various physical systems, such as the motion of objects, heat transfer, and population growth. Linear algebra is used in data analysis, signal processing, and engineering to solve problems involving large sets of data and linear relationships between variables.

5. Do I need to know both differential equations and linear algebra to be a successful scientist?

It depends on your field of study and research interests. If your work involves understanding and predicting the behavior of physical systems, knowledge of differential equations is essential. If you work with large sets of data and need to analyze linear relationships, then knowledge of linear algebra is important. However, having a basic understanding of both fields can be beneficial for a wide range of scientific applications.

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