# matlab

### How to solve a very large overdetermined system numerically?

I am doing a project on image processing and I need to solve the following set of equations: nx+nz*( z(x+1,y)-z(x,y) )=0 ny+nz*( z(x+1,y)-z(x,y)...
Thread by: dilloncyh, May 8, 2015, 1 replies, in forum: Linear and Abstract Algebra

### Algorithm to compute Basis images of an image

I know from the Fourier Analysis that any signal can be represented as summation of elementary signals i.e. basis functions .Likewise,any image...
Thread by: ramdas, May 2, 2015, 5 replies, in forum: Programming and Computer Science

### Solving PDEPE without boundary conditions? heat transfer

Hi all! I am trying to solve a system of partial differential equations in Matlab, with both derivatives in time and space domains. I am using...
Thread by: kattagiulio, Apr 27, 2015, 3 replies, in forum: Differential Equations

### Unsteady vorticity transport equation: codes available?

I would like to reproduce results from a much older code to test a new one. I only have the old code's results in the form of plots, not data,...
Thread by: bumblebee77, Apr 24, 2015, 3 replies, in forum: General Engineering

### PC Characteristics: Simulation FEM professional purpose

Dear all, I'm an electric engineer, and I usually work with software as Ansoft Maxwell, Matlab, Ansys, COMSOL.... I need a PC for serious...
Thread by: Darion13, Apr 24, 2015, 5 replies, in forum: Computing and Technology

### Ziegler nichols method (PID control)

hello there, i just want to ask some questions related to PID controller. currently, i have run zumo robot to detect line by using PID controller...
Thread by: seramm91, Apr 19, 2015, 2 replies, in forum: General Engineering

### Matlab Simulink: Simulate the height of ball thrown upward

1. The problem statement, all variables and given/known data Upthrow simulation Conditions: initial velocity v=10m/s, initial height h=0m when...
Thread by: nightingale, Apr 14, 2015, 1 replies, in forum: Engineering and Computer Science Homework

### Issue Finding the Mean Squared Error / Polyfit MATLAB

1. The problem statement, all variables and given/known data [ATTACH] [ATTACH] 2. Relevant equations Given above 3. The attempt at a solution I...
Thread by: SchrodingersMu, Mar 13, 2015, 1 replies, in forum: Engineering and Computer Science Homework

### How to get specific frequency and time values for .wav file

How to get specific frequency and time values for .wav file and export the values as .csv? Problem: I need to analyze this music .wav file,...
Thread by: jojobirdie, Mar 3, 2015, 2 replies, in forum: MATLAB, Maple, Mathematica, LaTeX, Etc

### Error Analysis of Modern Gram Schmidt Technique -code bug

Hi all, I am to compute A = QR using the Modified Gram-Schmidt algorithm. I need to find the error using the one norm of : (Q transpose * Q) -...
Thread by: SchrodingersMu, Feb 26, 2015, 1 replies, in forum: Engineering and Computer Science Homework

### Need help on designing a conceptual HALE UAV

Hi everyone, I am a High School student (final year) and am doing an extra-curricular project. Having complete autonomy on what we do the project...
Thread by: jag0097wtf, Dec 31, 2014, 11 replies, in forum: Mechanical Engineering

### FDTD of (ultrasound) wave propagation through muscle

Im a mechanical engineering student currently, with a third year project of simulating ultrasound propagation through the abdomen. Currently i...
Thread by: xinho, Dec 21, 2014, 2 replies, in forum: Mechanical Engineering

### Matlab Issue with aligning text in table format in .txt file

1. The problem statement, all variables and given/known data uData is a 30x5 matrix with numbers. name_Database is a 30x1 cell array with strings...
Thread by: muaaman, Dec 19, 2014, 1 replies, in forum: Engineering and Computer Science Homework

### Matlab - Index exceeds matrix dimensions when writing .txt

1. The problem statement, all variables and given/known data Index exceeds matrix dimensions 2. Relevant equations 3. The attempt at a solution...
Thread by: muaaman, Dec 18, 2014, 1 replies, in forum: Engineering and Computer Science Homework

### Fourier transform power dependent on frequency

1. The problem statement, all variables and given/known data this is something i noticed doing homework rather than homework itself. I plot fft...
Thread by: neil.thompson, Dec 11, 2014, 1 replies, in forum: Calculus and Beyond Homework