Community Profile

photo

Chao Rong


Last seen: 5 mesi fa Attivo dal 2020

Statistiche

  • CUP Challenge Master
  • Introduction to MATLAB Master
  • Community Group Solver
  • Solver

Visualizza badge

Content Feed

Visto da

Risolto


Find the maximum number of decimal places in a set of numbers
Given a vector or matrix of values, calculate the maximum number of decimal places within the input. Trailing zeros do not coun...

oltre 3 anni fa

Risolto


Make roundn function
Make roundn function using round. x=0.55555 y=function(x,1) y=1 y=function(x,2) y=0.6 y=function(x,3) ...

oltre 3 anni fa

Risolto


Matlab Basics - Rounding II
Write a script to round a variable x to 3 decimal places: e.g. x = 2.3456 --> y = 2.346

oltre 3 anni fa

Risolto


Rounding off numbers to n decimals
Inspired by a mistake in one of the problems I created, I created this problem where you have to round off a floating point numb...

oltre 3 anni fa

Risolto


MATLAB Basic: rounding III
Do rounding towards minus infinity. Example: -8.8, answer -9 +8.1 answer 8 +8.50 answer 8

oltre 3 anni fa

Risolto


MATLAB Basic: rounding IV
Do rounding towards plus infinity. Example: -8.8, answer -8 +8.1 answer 9 +8.50 answer 9

oltre 3 anni fa

Risolto


Matlab Basics - Rounding III
Write a script to round a large number to the nearest 10,000 e.g. x = 12,358,466,243 --> y = 12,358,470,000

oltre 3 anni fa

Risolto


MATLAB Basic: rounding II
Do rounding nearest integer. Example: -8.8, answer -9 +8.1 answer 8 +8.50 answer 9

oltre 3 anni fa

Risolto


Check that number is whole number
Check that number is whole number Say x=15, then answer is 1. x=15.2 , then answer is 0. <http://en.wikipedia.org/wiki/Whole...

oltre 3 anni fa

Risolto


MATLAB Basic: rounding
Do rounding near to zero Example: -8.8, answer -8 +8.1 answer 8

oltre 3 anni fa

Risolto


Find max
Find the maximum value of a given vector or matrix.

oltre 3 anni fa

Risolto


Whether the input is vector?
Given the input x, return 1 if x is vector or else 0.

oltre 3 anni fa

Risolto


Flip the vector from right to left
Flip the vector from right to left. Examples x=[1:5], then y=[5 4 3 2 1] x=[1 4 6], then y=[6 4 1]; Request not ...

oltre 3 anni fa

Risolto


Create a vector
Create a vector from 0 to n by intervals of 2.

oltre 3 anni fa

Risolto


Doubling elements in a vector
Given the vector A, return B in which all numbers in A are doubling. So for: A = [ 1 5 8 ] then B = [ 1 1 5 ...

oltre 3 anni fa

Risolto


Vector creation
Create a vector using square brackets going from 1 to the given value x in steps on 1. Hint: use increment.

oltre 3 anni fa

Risolto


Inner product of two vectors
Find the inner product of two vectors.

oltre 3 anni fa

Risolto


Get the length of a given vector
Given a vector x, the output y should equal the length of x.

oltre 3 anni fa

Risolto


Arrange Vector in descending order
If x=[0,3,4,2,1] then y=[4,3,2,1,0]

oltre 3 anni fa

Risolto


Sum the 'edge' values of a matrix
Sum the 'edge' values of an input matrix (the values along the perimeter). Example [1 2 3 4 5 6 7 8 9] Output = ...

oltre 3 anni fa

Risolto


sum of first 'n' terms
Given n=10, find the sum of first 'n' terms Example: If n=10, then x=1,2,3,4,5,6,7,8,9,10. The sum of these n=10 terms is 55...

oltre 3 anni fa

Risolto


Airline Ticket Mod7 Checksum
There are 13 digits in an airline ticket number. If an airline ticket number is valid, the 13th digit should be the remainder of...

oltre 3 anni fa

Risolto


Approximation of Pi
Pi (divided by 4) can be approximated by the following infinite series: pi/4 = 1 - 1/3 + 1/5 - 1/7 + ... For a given numbe...

oltre 3 anni fa

Risolto


Sum of series VII
What is the sum of the following sequence: Σ(km^k)/(k+m)! for k=1...n for different n and m?

oltre 3 anni fa

Risolto


Sum of series VI
What is the sum of the following sequence: Σk⋅k! for k=1...n for different n?

oltre 3 anni fa

Risolto


Sum of series II
What is the sum of the following sequence: Σ(2k-1)^2 for k=1...n for different n?

oltre 3 anni fa

Risolto


Sum of series III
What is the sum of the following sequence: Σ(2k-1)^3 for k=1...n for different n?

oltre 3 anni fa

Risolto


Sum of series I
What is the sum of the following sequence: Σ(2k-1) for k=1...n for different n?

oltre 3 anni fa

Risolto


Return the 3n+1 sequence for n
A Collatz sequence is the sequence where, for a given number n, the next number in the sequence is either n/2 if the number is e...

oltre 3 anni fa

Risolto


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

oltre 3 anni fa

Carica altro