photo

Thomas Lai


University of British Columbia

2012 年からアクティブ

Followers: 0   Following: 0

メッセージ

Developer at UBC's Seismic Laboratory for Imaging and Modelling, working on SPOT, pSPOT and SeisDataContainer
Professional Interests: SPOT, pSPOT, SeisDataContainer

統計

All
  • Revival Level 1
  • First Answer
  • Solver

バッジを表示

Feeds

表示方法

解決済み


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

12年弱 前

解決済み


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

12年弱 前

解決済み


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...

約12年 前

解決済み


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...

約12年 前

解決済み


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...

約12年 前

解決済み


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...

約12年 前

解決済み


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...

約12年 前

解決済み


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 ...

約12年 前

解決済み


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

約12年 前

解決済み


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...

約12年 前

解決済み


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

約12年 前

解決済み


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

約12年 前

解決済み


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 ...

約12年 前

解決済み


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:...

約12年 前

解決済み


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 ...

約12年 前

解決済み


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...

約12年 前

解決済み


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...

約12年 前

回答済み
I have a C++ class. How can I interface to it through a MATLAB class?
As far as I know, mex does not support object persistence past its basic predefined numeric classes. I tried returning the point...

12年以上 前 | 0

回答済み
Persistent Object in mex-File (Segmentation violation)
I have tried a very similar method in trying to get C++ object persistence, and even though I did declare global variables in th...

12年以上 前 | 0

質問


Overloading Numel
I have a need to overload numel for a data container class that i'm building. However it seems to break the overloaded subsref m...

12年以上 前 | 0 件の回答 | 0

0

回答

質問


spmd, composites and hidden overheads
I have a few questions regarding the inner workings of the spmd block that I wish PCT engineers would give some pointers on. ...

12年以上 前 | 1 件の回答 | 0

1

回答

回答済み
Memory spike when using previously declared variable in spmd block
Hi Konrad, is there any way to get around the serialization limit of 2GB? Because, 2GB is much too small for any significant lar...

12年以上 前 | 0