595 total contributions since 2012

LaTrobe University, Melbourne, Australia

Solved

Sum two real numbers

It seems easy, but... You cannot use +, -, plus, diff, cumsum, *, prod, times, etc.

3 years ago

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Find the sum of n squares

What is the sum of the squares of the first n integers?

3 years ago

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Rotate Matrix @180 degree

Rotate Matrix @180 degree Example A=[8 1 6; 3 5 7; 4 9 2], then answer would be [2 9 4;...

3 years ago

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Plus x: A first program

_Solve this problem in Mathwork's online Cody system._ Write a statement that assigns y with 5 plus x. Ex: If input x = 2,...

3 years ago

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Find the area of a rectangle if length of the diagonal is given.

if length of a diagnonal in rectangle is 5. Its area is 12.

5 years ago

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find the relation...

if given input is 1, output is 4. if input is 55, output is 3136.

5 years ago

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Let's see how peculiar we can get

The task is to multiply two numbers. But do it in the most peculiar possible way.

5 years ago

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Max Change in Consecutive Elements

If an array is given as input then find the index of consecutive elements that represent maximum change. Example: Input ...

5 years ago

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Sum of digit range

Example: If A is n1, and B is n2 digit positive numbers. A*B's digit range will be [c d] (c = min & d = max). Then return ...

5 years ago

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Measure a Special Distance

Given an n-by-2 matrix with positive and negative numbers, return an n-by-n matrix in the manner of the function template.

5 years ago

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Area of a Square

Inside a square is a circle with radius r. What is the area of the square?

5 years ago

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Triangle sequence

A sequence of triangles is constructed in the following way: 1) the first triangle is Pythagoras' 3-4-5 triangle 2) the s...

5 years ago

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Find a Pythagorean triple

Given four different positive numbers, a, b, c and d, provided in increasing order: a < b < c < d, find if any three of them com...

5 years ago

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Inverse of Hilbert matrix

Given a non-negative integer x, return the element-wise power of 2 of the inverse of Hilbert matrix.

5 years ago

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What day is it?

Tell me what day is it. Return the full name of the day of the week as a string. e.g. It's June 12th 2014, so your function s...

5 years ago

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Convert a vector into numbers

Suppose a vector x = [ 1 2 4 7] is given. You have to convert this vector into string number y = '1247'. Examples x = [ 1...

5 years ago

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Integer or Float?

Test an input to see whether it is an integer or a floating point number. If it is an integer return 1 for 'true'. Otherwise ret...

5 years ago

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row-th maximum row elements

Input a is a square matrix of size n*n. Output vector v is of size 1*n. The ith element of output v is the ith largest element o...

5 years ago

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Sort the vector with the given index

Given x = [1 2 4 8 17] and t = [1 3 2 5 4] then y = [1 4 2 17 8].

5 years ago

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Find the Nth Root of a Given Number

Find the Nth root of a given number x. Examples x = 4096 n = 4 y = 8 x = 625 n = 5 y = 3.6239

5 years ago

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You are in XY plane ?

Take point having position Vector of (x,y,z). You have to decide whether this point lies in XY plane or not. If it lies then ret...

5 years ago

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Are you in XY plane?

Take a point P as an input position Vector (x,y,z). If you are in XY plane, return 1 as an output otherwise return 0. Example...

5 years ago

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Area of a triangle

A triangle is given with base *'b'* ,vertical hight *'h'* . then find it's area.

5 years ago

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Reverse Concatenation

Suggest methods to form a Matrix after deleting one of the input's elements. Input should be element's position and output shou...

5 years ago

Solved

Path calculation with polynomials

Let a vector x be the input to our function. 1. If a value of an input vector element x is lower than 0, set this value to 0....

5 years ago