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Solved

The Piggy Bank Problem

Given a cylindrical piggy bank with radius g and height y, return the bank's volume. [ g is first input argument.] Bonus though...

13 days ago

Solved

Reverse Calculator

Use this reverse calculator and give correct output Its simple, In my Reverse calculator if you press 0 it will be considered...

1 month ago

Solved

Find the starting index of a consecutive condition

Given a logical vector |v|, and a positive integer |n|, return the smallest index |i| that satisfies: all( v(i : i+n-1) ) =...

1 month ago

Solved

Track Logic

A sensor produces either a hit (1) or a miss (0) for a given target once per scan. The sensor is also equiped with a tracker whi...

1 month ago

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Cody Computer Part 4 : Are you a morning Cody player Addicted ?

This is a stupid Cody challenge. You just have to *click "Submit" between 7 and 9 AM.* ... Greenwich Mean Time (GMT). To see ...

1 month ago

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Return a list sorted by number of occurrences

Given a vector x, return a vector y of the unique values in x sorted by the number of occurrences in x. Ties are resolved by a ...

1 month ago

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Visualization of experimental data across a surface

Assume that you have taken data across the surface of a sample, for example sheet resistance. The data is stored in a Nx3 matri...

1 month ago

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Calculate the height of an object dropped from the sky

Assume that an object is dropped from 1000 meters above the surface of the earth at time t=0. The object is dropped such that t...

1 month ago

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Wind outward from the center ...

Create an n-by-n matrix with elements ranging from 1 to n^2 in a rectangular spiral pattern. Example if n = 5 : 21 ...

1 month ago

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Return unique values without sorting

If the input vector A is [42 1 1], the output value B must be the unique values [42 1] The *values of B are in the s...

1 month ago

Solved

Generate a string like abbcccddddeeeee

This is the string version of Problem 1035. <http://www.mathworks.com/matlabcentral/cody/problems/1035-generate-a-vector-like-1-...

1 month ago

Solved

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?

1 month ago

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Sum of series IV

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

1 month ago

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Sum of series VI

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

1 month ago

Solved

Sum of series III

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

1 month 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?

1 month ago

Solved

Sum of series I

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

1 month ago

Solved

Sum of series V

What is the sum of the following sequence: Σk(k+1) for k=1...n for different n?

1 month ago

Solved

Set some matrix elements to zero

First get the maximum of each *row*, and afterwards set all the other elements to zero. For example, this matrix: 1 2 3 ...

1 month ago

Solved

Twins in a Window

<http://en.wikipedia.org/wiki/Twin_primes Twin primes> are prime numbers that differ by 2, such as [11,13] or [41,43]. Write a f...

1 month ago

Solved

Trace the path of a harmful chemical in an ecological network

An ecological network consists of the cycles of nature, such as the water cycle, the carbon cycle, the oxygen cycle, etc. Due to...

2 months ago

Solved

Design a tubesheet for shell-and-tube heat exchangers

<<https://3.bp.blogspot.com/-kLSbhcCoT2I/WJIh-QVGLGI/AAAAAAAADEs/svvMzBqn4fUfI1rTCCH7Uw-QuDvxx0PxACLcB/s1600/Screenshot_669.jpg>...

2 months ago

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Create a matrix map of increasing safety levels

The sole nuclear power plant at Grid City suddenly had a meltdown. Luckily, the plant was designed to be in full automation, so ...

2 months ago

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Assess the scatter of wind turbines in a field

The renewable energy industry is on the rise in many countries--- and one of the key players is wind energy. It is believed ...

2 months ago

Solved

Calculate the sphericity of a Raschig ring

Sphericity is a measure of the roundness of any particle. It was defined by Wadell in 1935 as the ratio of the 'surface area of ...

2 months ago

Solved

Compute the missing quantity among P, V, T for an ideal gas

Consider 100 mol of helium gas at a certain pressure (P), volume (V), and temperature (T). Assuming that the ideal gas law appli...

8 months ago

Solved

Sum the entries of each column of a matrix which satisfy a logical condition.

Given a numeric matrix A and a logical array L of the same size as A, return a row vector S containing the columnwise sums of th...

9 months ago