Cheuk
Texas A&M University
Followers: 0 Following: 0
Nuclear Engineering PhD Candidate, Center for Large Scale Scientific Simulations
Professional Interests: numerical methods, high-power computing, programming (Matlab, C++, Python), nuclear physics, radiation transport
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Solved
Remove any row in which a NaN appears
Given the matrix A, return B in which all the rows that have one or more <http://www.mathworks.com/help/techdoc/ref/nan.html NaN...
ungefär 10 år ago
Solved
Finding Perfect Squares
Given a vector of numbers, return true if one of the numbers is a square of one of the other numbers. Otherwise return false. E...
ungefär 10 år 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...
ungefär 10 år ago
Solved
Create times-tables
At one time or another, we all had to memorize boring times tables. 5 times 5 is 25. 5 times 6 is 30. 12 times 12 is way more th...
ungefär 10 år 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...
ungefär 10 år 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...
ungefär 10 år ago
Solved
Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...
ungefär 10 år ago
Solved
Swap the first and last columns
Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...
ungefär 10 år 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...
ungefär 10 år 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 ...
ungefär 10 år ago
Solved
Triangle Numbers
Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displa...
ungefär 10 år ago
Solved
Column Removal
Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; and ...
ungefär 10 år ago
Solved
Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...
ungefär 10 år ago
Solved
Determine if input is odd
Given the input n, return true if n is odd or false if n is even.
ungefär 10 år ago
Solved
Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...
ungefär 10 år 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...
ungefär 10 år 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:...
ungefär 10 år ago
Submitted
1D Finite Element Method (FEM) Example
A 1D finite element method (FEM) example is provided to teach the basics of using FEM to solve PDEs.
ungefär 10 år ago | 31 downloads |
Submitted
Gaussian Elimination with Pivoting Method
Function uses Gauss elimination with pivoting to solve a linear system in standard format.
ungefär 10 år ago | 14 downloads |
Submitted
Compressed Row Storage (CRS) Successive Over-Relaxation (SOR) Method
Function uses Successive Over-Relaxation (SOR) method to solve a linear system in CRS format
ungefär 10 år ago | 1 download |
Submitted
Compressed Row Storage (CRS) Gauss-Seidel Method
Function uses Gauss-Seidel method to solve a linear system in CRS format
ungefär 10 år ago | 2 downloads |
Submitted
Compressed Row Storage (CRS) Jacobi Method
Function uses Jacobi method to solve a linear system in CRS format
ungefär 10 år ago | 12 downloads |
Submitted
Jacobian-Free Newton-Krylov (JFNK) method
Function uses JFNK to solve a system of non-linear equations
mer än 10 år ago | 6 downloads |