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Cheuk


Texas A&M University

自 2014 起处于活动状态

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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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已解决


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...

10 years 前

已解决


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...

10 years 前

已解决


Weighted average
Given two lists of numbers, determine the weighted average. Example [1 2 3] and [10 15 20] should result in 33.333...

10 years 前

已解决


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...

10 years 前

已解决


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 前

已解决


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 前

已解决


Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

10 years 前

已解决


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...

10 years 前

已解决


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 前

已解决


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 前

已解决


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...

10 years 前

已解决


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

10 years 前

已解决


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 ...

10 years 前

已解决


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...

10 years 前

已解决


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

10 years 前

已解决


Add two numbers
Given a and b, return the sum a+b in c.

10 years 前

已解决


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 ...

10 years 前

已解决


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 前

已解决


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 前

已提交


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.

10 years 前 | 31 次下载 |

已提交


Gaussian Elimination with Pivoting Method
Function uses Gauss elimination with pivoting to solve a linear system in standard format.

10 years 前 | 12 次下载 |

已提交


Compressed Row Storage (CRS) Successive Over-Relaxation (SOR) Method
Function uses Successive Over-Relaxation (SOR) method to solve a linear system in CRS format

10 years 前 | 1 次下载 |

已提交


Compressed Row Storage (CRS) Gauss-Seidel Method
Function uses Gauss-Seidel method to solve a linear system in CRS format

10 years 前 | 2 次下载 |

已提交


Compressed Row Storage (CRS) Jacobi Method
Function uses Jacobi method to solve a linear system in CRS format

10 years 前 | 12 次下载 |

已提交


Jacobian-Free Newton-Krylov (JFNK) method
Function uses JFNK to solve a system of non-linear equations

10 years 前 | 4 次下载 |