Amazing ideas + Tech oriented implementation = Development of my country.

I am enthusiastic about recent developments in the IT industry and FOSS. I consider myself a patriot and an avid newspaper reader.

Blogging at -> https://sidshenoy.github.io/

Solved

Special matrix

Make a square matrix with this shape. For n=4 M = 1 1 0 0 1 0 1 0 0 1 0 ...

7 months ago

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The maximum sum of squares (testing)

Create a function file with an input maxval to determine the maximum number of terms for the series 1^2 + 2^2 + 3^2 + ... such t...

7 months ago

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Perfect square.

Determine if the input is a perfect square or not. Example - If input is 25, return 1. If input is 17, return 0.

7 months ago

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how many of the entries are positive?

Given x= sin(linspace(0,10*pi,100)), how many of the entries are positive?

7 months ago

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Calculate vowel / consonant ratio of a string

Given a string, calculate the ratio of vowels to consonants for example : x = 'This is a very good Day!' y = 7/11

7 months ago

Problem

Angle between two vectors

Given 2 pairs of _cartesian co-ordinates_, determine the angle between the 2 vectors formed by the _points_ and the _origin_. An...

7 months ago | 0

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Cube root of max value in a vector

Find the cube root of the maximum value in a vector

7 months ago

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Add consecutive integer numbers

Given consecutive numbers, add the numbers *without using the sum command in MATLAB.*

7 months ago

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Add 3 numbers

In this problem, you have to add three numbers a, b and c. Give output d = add(a,b,c)

7 months ago

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Double the next!

Given two numbers, m and n, find a matrix m x n where each element value is twice the value of the previous element. Starting fr...

7 months ago

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Just another sum (JAS)

*Task:* Write a function that takes a vector X and returns the alternating sum of X: X(1)-X(2)+X(3)-X(4)+... *Example...

7 months ago

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Calculate the square of a number (Super Easy)

The goal is to calculate the square (y) of a number (x). Good way to start MatLab for beginners.

7 months ago

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How to find the position of an element in a vector without using the find function

Write a function posX=findPosition(x,y) where x is a vector and y is the number that you are searching for. Examples: fin...

7 months ago

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The Hitchhiker's Guide to MATLAB

Output logical "true" if the input is the answer to life, the universe and everything. Otherwise, output logical "false".

7 months ago

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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...

7 months ago

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Simple equation: Annual salary

Given an hourly wage, compute an annual salary by multiplying the wage times 40 and times 50, because salary = wage x 40 hours/w...

7 months ago

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Back and Forth Rows

Given a number n, create an n-by-n matrix in which the integers from 1 to n^2 wind back and forth along the rows as shown in the...

7 months ago

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Weighted average

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

7 months ago

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Vector creation

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

7 months ago

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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 ...

7 months ago

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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 ...

7 months ago

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Get the length of a given vector

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

7 months ago