Community Profile ### University of Oxford

Last seen: 1 year ago Active since 2007

Professional Interests: Ultrafast laser metrology

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Remove the vowels
Remove all the vowels in the given phrase. Example: Input s1 = 'Jack and Jill went up the hill' Output s2 is 'Jck nd Jll wn...

10 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...

10 years ago

Solved

Most nonzero elements in row
Given the matrix a, return the index r of the row with the most nonzero elements. Assume there will always be exactly one row th...

10 years ago

Solved

Is my wife right?
Regardless of input, output the string 'yes'.

10 years ago

Solved

Determine whether a vector is monotonically increasing
Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...

10 years ago

Solved

Make a checkerboard matrix
Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1,1) should be 1. Example...

10 years ago

Solved

Find all elements less than 0 or greater than 10 and replace them with NaN
Given an input vector x, find all elements of x less than 0 or greater than 10 and replace them with NaN. Example: Input ...

10 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...

10 years ago

Solved

Determine if input is odd
Given the input n, return true if n is odd or false if n is even.

10 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:...

10 years ago

Submitted

Hankel Transform
Routine to perform a QDHT with no limit on data size or transform order (other than memory constrain Submitted

SPIDER simulation
Simulates spectral phase interferometry for direct electric-field reconstruction (SPIDER). Submitted

Frequency-resolved optical gating (FROG)
Generates a FROG trace from a pulse and gate field in time and rconstructs these fields. Submitted

Moments of a function
Generates the nth order moment of a function.

Submitted

Calculate Wigner distribution
Calculates the 2D Wigner distribution of a complex function.

Submitted

Stationary phase approximation for performing Fourier Transforms
Performs a Fourier Transform of a function using the stationary phase approximation Submitted

Submitted

findFWHM
Finds the full width at half maxium (FWHM) of a real function.

Submitted

Forced damped driven pendulum
A forced damped driven pendulum exhibits chaotic motion. Submitted

Generates a 'radial' Gaussian function in 2D of any positive integer order.

Submitted

Integer order 1D Gaussian function
Performs a Gaussian function of any positive order.

Submitted

Pulse Propagation
Electromagnetic pulse propagation in free space in 2 spatial dimensions. 