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Kiam Heong Kwa


University of Malaya

Last seen: 2 months ago Active since 2019

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

5 months ago

Solved


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

5 months ago

Solved


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

5 months ago

Solved


Generate a vector like 1,2,2,3,3,3,4,4,4,4
Generate a vector like 1,2,2,3,3,3,4,4,4,4 So if n = 3, then return [1 2 2 3 3 3] And if n = 5, then return [1 2 2 3 3 3 4...

5 months ago

Solved


Return area of square
Side of square=input=a Area=output=b

5 months ago

Question


Desktop Language Option is Missing
Very good day. Have been trying to reset the Desktop language but failed to see the option being available as mentioned in othe...

6 months ago | 1 answer | 1

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answer

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Split Even Number Into Two Primes
Given an even whole number n (> 2), return a 2-element vector of primes, p, such that p(1) + p(2) = n. Fun note: technically it...

7 months ago

Solved


Determine if Input is Oddish or Evenish (Odd/Even Sum of Digits)
Given a positive integer n, determine whether n is "oddish" or "evenish" - that is, whether the sum of the digits of n is odd or...

1 year ago

Solved


Draw 'O' !
Given n as input, generate a n-by-n matrix 'O' using 0 and 1 . example: n=4 ans= [1 1 1 1 1 0 0 1 ...

1 year ago

Solved


Linear system of equations
Solve the system of equations in three variables.

1 year ago

Solved


Fibonacci-Sum of Squares
Given the Fibonacci sequence defined by the following recursive relation, * F(n) = F(n-1) + F(n-2) * where F(1) = 1 and F(1)...

2 years ago

Question


MATLAB Online does not run script properly
I ran the following script (which I named draft.m) through MATLAB Online: clear; fun = @(x, b) (b-7)*(b+5)*x.^2-2*x+3; brange...

2 years ago | 1 answer | 0

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answer

Solved


Replacing a row
For matrix G=[1 2 3; 4 5 6; 7 8 9] Replace the 2nd row with 8s **remember to create matrix G

2 years ago

Solved


Sum of the Matrix Elements
Add up all the elements in a NxM matrix where N signifies the number of the rows and M signifies the number of the columns. E...

2 years ago

Solved


Square the input
Given a scalar or vector x, return the square of each element. Example x = [7 2] answer = [49 4]

2 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...

2 years ago

Solved


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

2 years ago

Solved


Return elements unique to either input
Given two numeric inputs a and b, return a row vector that contains the numbers found in only a or only b, but not both. For ex...

3 years 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...

3 years ago

Solved


Convert given decimal number to binary number.
Convert given decimal number to binary number. Example x=10, then answer must be 1010.

4 years ago

Solved


Find the longest sequence of 1's in a binary sequence.
Given a string such as s = '011110010000000100010111' find the length of the longest string of consecutive 1's. In this examp...

4 years ago

Solved


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

4 years ago

Solved


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 ...

4 years ago

Solved


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

4 years ago

Solved


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 ...

4 years ago

Solved


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

4 years ago

Solved


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

4 years ago

Solved


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

4 years ago

Solved


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

4 years ago

Solved


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

4 years ago

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