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# Dev Gupta

170 total contributions since 2019

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Make a Palindrome Number
Some numbers like 323 are palindromes. Other numbers like 124 are not. But look what happens when we add that number to a revers...

ongeveer een maand ago

Solved

"mirror" matrix
Create n x 2n "mirror" matrix of this type: Examples For n = 2 m = [ 1 2 2 1 1 2 2 1 ] For n = 3 m = ...

ongeveer een maand 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".

ongeveer een maand ago

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All your base are belong to us
Find the base _b_ logarithm of the input decimal number _x_. Express the output as a decimal number. The first argument is the n...

3 maanden ago

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The Tower of Hanoi
In the <http://en.wikipedia.org/wiki/Tower_of_Hanoi Tower of Hanoi problem> with 3 rods (1, 2 & 3), the goal is to move a tower ...

4 maanden ago

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Replicate elements in vectors
Replicate each element of a row vector (with NaN) a constant number of times. Examples n=2, A=[1 2 3] -> [1 1 2 2 3 3] ...

4 maanden ago

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Find my daddy long leg (No 's')
Given the ratio of the two legs (longer / shorter), and the hypotenuse length, find the value of the bigger leg.

4 maanden 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...

4 maanden 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...

4 maanden ago

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Calculate Resistance 2
In this problem, you have to calculate Resistance R of a linear conductor having voltage V across it and current I is passing i...

4 maanden ago

Problem

Calculate Resistance 2
In this problem, you have to calculate Resistance R of a linear conductor having voltage V across it and current I is passing i...

4 maanden ago | 0

Solved

Efficiency of a single phase Transformer
Calculate the efficiency of a single phase transformer whose KVA rating is A KVA, loading factor x,power factor p,full load copp...

4 maanden ago

Solved

Calculate Resistance
Calculate Resistance R of a linear conductor having resistivity p, length l and area A

4 maanden ago

Problem

Calculate Resistance
Calculate Resistance R of a linear conductor having resistivity p, length l and area A

4 maanden ago | 0

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

4 maanden ago

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Magic is simple (for beginners)
Determine for a magic square of order n, the magic sum m. For example m=15 for a magic square of order 3.

4 maanden ago

Solved

Efficiency of a single phase Transformer
Calculate the efficiency of a single phase transformer whose KVA rating is A KVA, loading factor x,power factor p,full load copp...

4 maanden ago

Problem

Efficiency of a single phase Transformer
Calculate the efficiency of a single phase transformer whose KVA rating is A KVA, loading factor x,power factor p,full load copp...

4 maanden ago | 0

Solved

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...

4 maanden ago

Solved

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

4 maanden ago

Problem

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

4 maanden ago | 0

Solved

poll: would you like the regexp (?@cmd) functionality to be banned in Cody?
This problem is a poll (and a little bit of "white hat hacktivism" as well) regarding Cody users sentiment about the use of rege...

4 maanden ago

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Make a 1 hot vector
Make a vector of length _N_ that consists of all zeros except at index _k_, where it has the value 1. Example: Input ...

4 maanden ago

Solved

Find the sides of an isosceles triangle when given its area and height from its base to apex
Find the sides of an isosceles triangle when given its area and the height from its base to apex. For example, with A=12 and ...

4 maanden ago

Solved

Calculate the area of a triangle between three points
Calculate the area of a triangle between three points: P1(X1,Y1) P2(X2,Y2) P3(X3,Y3) these three points are the vert...

4 maanden ago

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Calculate the centroid of a triangle
Info: https://en.wikipedia.org/wiki/Centroid Example Input: x = [0 0 1]; % x-coordinate y = [0 1 0]; % y-coordinat...

4 maanden ago

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Height of a right-angled triangle
Given numbers a, b and c, find the height of the right angled triangle with sides a and b and hypotenuse c, for the base c. If a...

4 maanden ago

Solved

Maximum value in a matrix
Find the maximum value in the given matrix. For example, if A = [1 2 3; 4 7 8; 0 9 1]; then the answer is 9.

4 maanden ago

Solved

Return the first and last character of a string
Return the first and last character of a string, concatenated together. If there is only one character in the string, the functi...

4 maanden ago

Solved

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...

4 maanden ago