Submitted
Magic Time Step in 1D FDTD
1D FDTD illustration using magic time step
10 years ago | 253 downloads |
Submitted
Explicit Numerical Methods to solve Differential Equation
Here , I compare Euler, Runge-Kutta and Adam-Bashforth methods to integrate a simple function.
10 years ago | 379 downloads |
Submitted
Analytical plot of Dielectric function of Lorentz medium
This code plots complex dielectric function of a Lorentz medium using its analytical formula.
11 years ago | 525 downloads |
Submitted
Total Field Scattered Field source with Perfectly Matched Layer Boundaries
In this code, TF/SF source is implemented for 1D FDTD source along with PML Boundary condition.
11 years ago | 451 downloads |
Submitted
Optical Spectra of Dielectric slab using 1D Finite Difference Time Domain (FDTD).
This code calculates Transmission and Reflection spectra of Etalon slab using FDTD method.
11 years ago | 388 downloads |
Submitted
1D Finite Difference Time Domain simulation (FDTD) with Perfectly Matched Layer (PML)
FDTD is illustrated with PML absorbing boundary condition at both ends of 1D space grid.
11 years ago | 1430 downloads |
Submitted
Optical Linear Absorption of a Two Level System
In this code, differential equation for optical polarization is solved.
11 years ago | 210 downloads |
Submitted
Band structure of GaAs using Parabolic Approximation
Band structure of GaAs using Parabolic Approximation
11 years ago | 591 downloads |
Submitted
Fourier transform DFT for selected range of frequencies
For selected frequency range, DFT is computed.
11 years ago | 225 downloads |
Submitted
Numerical Solution to Optical Bloch Equation for a two level atom using Runge Kutta method
Numerical Solution to Optical Bloch Equation for a two level atom using Runge Kutta method
11 years ago | 1065 downloads |
Submitted
Simulation of Rabi Flopping in a Two Level Atom using Finite Difference Method
Rabi flopping for a two level quantum system is simulated for different detuning frequencies.
11 years ago | 474 downloads |
Submitted
Excited States of Quantum Harmonic Oscillator using Raising Operator
Calculating Excited States of Quantum Harmonic Oscillator using Raising Operator.
11 years ago | 977 downloads |
Solved
Circle area using pi
Given a circle's radius, compute the circle's area. Use the built-in mathematical constant pi.
11 years ago
Solved
Fahrenheit to Celsius using multiple statements
Given a Fahrenheit value F, convert to a Celsius value C. While the equation is C = 5/9 * (F - 32), as an exercise use two state...
11 years ago
Solved
Simple equation: Annual salary
Given an hourly wage, compute an annual salary by multiplying the wage times 40 and times 50, because salary = wage x 40 hours/w...
11 years ago
Solved
Fibonacci sequence
Calculate the nth Fibonacci number. Given n, return f where f = fib(n) and f(1) = 1, f(2) = 1, f(3) = 2, ... Examples: Inpu...
11 years ago
Solved
Reverse the vector
Reverse the vector elements. Example: Input x = [1,2,3,4,5,6,7,8,9] Output y = [9,8,7,6,5,4,3,2,1]
11 years ago
Solved
Create a two dimensional zero matrix
You have to create a zero matrix of size (mxn) whose inputs are m and n and the elements of your matrix should be zeros. Exam...
11 years ago
Solved
Find a Pythagorean triple
Given four different positive numbers, a, b, c and d, provided in increasing order: a < b < c < d, find if any three of them com...
11 years ago
Solved
Convert a vector into a number
This is a sub problem related to this problem: <http://www.mathworks.com/matlabcentral/cody/problems/621-cryptomath-addition>...
11 years ago
Solved
Remove DC
Input x is the sampled signal vector, may have both AC and DC components. Output y should not contain any DC component. Examp...
11 years ago
Solved
First N Perfect Squares
*Description* Return the first N perfect squares *Example* input = 4; output = [ 1 4 9 16 ];
11 years ago
Solved
Back to basics 22 - Rotate a matrix
Covering some basic topics I haven't seen elsewhere on Cody. Rotate the input matrix 90 degrees counterclockwise (e.g. [1 2; ...
11 years ago
Solved
Length of the hypotenuse
Given short sides of lengths a and b, calculate the length c of the hypotenuse of the right-angled triangle. <<http://upload....
11 years ago
Solved
Make one big string out of two smaller strings
If you have two small strings, like 'a' and 'b', return them put together like 'ab'. 'a' and 'b' => 'ab' For extra ...
11 years ago
Solved
Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...
11 years ago
Solved
Weighted average
Given two lists of numbers, determine the weighted average. Example [1 2 3] and [10 15 20] should result in 33.333...
11 years ago
Solved
Create a row array using double colon operator
Create a row array from 9 to 1, using the double colon operator.
11 years ago
Solved
Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...
11 years ago