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Sum the numbers on the main diagonal
Sum the numbers on the main diagonal of an n-by-n matrix. For input: A = [1 2 4 3 6 2 2 4 7]...

13 years ago

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Number of digits in an integer
Specifies how many digits in a given integer. Example: in=100 ==> out=3

13 years ago

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kmph to mps
convert kilometer per hour to meter per second

13 years ago

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Generate a NaN...on purpose
The goal is to create a function that will return a single "NaN" without using the nan function. I am interested to see how many...

13 years ago

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What? Paradox?
What's going on here?

13 years ago

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Get me! v3
A harder version of Get me! I *think* I only left one door open.. we could be close to a perfect anti-cheating engine,

13 years ago

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Get me! v2
Exploiting cody v2

13 years ago

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Get me!
Inspired by Now! problems. Do your best!

13 years ago

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Metamorphosis
Inspired by problem <http://www.mathworks.com/matlabcentral/cody/problems/866-community-problem-500 866>. Can you make your c...

13 years ago

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Count letters occurence in text, specific to words with a given length.
Build a function with two input arguments: a string and a word length (number of letters), that outputs a vector of counts of th...

13 years ago

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Schwarzschild radius
Compute the <http://en.wikipedia.org/wiki/Schwarzschild_radius Schwarzschild radius> for objects of mass m (kg). Use c = 299,792...

13 years ago

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Celsius to Fahrenheit converter
Convert Celsius to Fahrenheit degrees.

13 years ago

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Celcius to Kelvin
Convert Celsius degrees to Kelvin temperature.

13 years ago

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Fahrenheit to Celsius converter
Convert Fahrenheit to Celsius degrees.

13 years ago

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Young's modulus
Given a value of <http://en.wikipedia.org/wiki/Young_modulus Young's modulus> (Y) expressed on MegaPascal, convert it to the uni...

13 years ago

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find radius of cone
if Slant height of Cone(I)& hight of Cone(H) given then find radius of the Cone(R) for example I=5,h=4 then the ans R=3;

13 years ago

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TRON Tourney 000 : Clockwise Wall Hugger
TRON Tournament is based upon the excellent TRON Challenge, <http://www.mathworks.com/matlabcentral/cody/problems/327-tron-chall...

13 years ago

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Find names/words that start and end with the same letter.
Find names/words (from a string) that start and end with the same letter. * Case-insensitive. * If a name/word is not at the...

13 years ago

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Altitude of locations on the earth
Find the altitude of a location on the earth, given latitude and longitude coordinates, above mean sea level. Input__________...

13 years ago

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select the primes of a vector
Find the prime numbers in a vector

13 years ago

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Miles to go before I sleep
Recently, my car's odometer passed 56789. Given an odometer reading, output how many miles need to be driven to get the next mi...

13 years ago

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Derivative of polynomial
Compute the derivative of a given polynomial. The input is an <http://www.mathworks.com/help/matlab/math/representing-polynomial...

13 years ago

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Periodic Table II 101.
Given the symbol of an element, return its atomic number. This is the continuation of <http://www.mathworks.com/matlabcentral/co...

13 years ago

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CONVERT TAN TO SIN
In a right angle triangle ABC given the tan(A) then find sin(A) For example tan(A)=3/4 then sin(A)=3/5

13 years ago

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Finding peaks
Find the peak values in the signal. The peak value is defined as the local maxima. For example, x= [1 12 3 2 7 0 3 1 19 7]; ...

13 years ago

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Basic arrays operations.
Apply element-by-element binary operation 'fun' to two arrays (A and B).

13 years ago

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Periodic Table 101.
Given the atomic number (z), answer the symbol for that particular element of the <http://en.wikipedia.org/wiki/Periodic_table/ ...

13 years ago

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Special Relativity 101.
Special relativity states that the mass of an object varies as a function of its velocity. If *c* is the speed of light (c appro...

13 years ago

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Equal to their cube
Tell me three real numbers that are equal to their cubes?

13 years ago

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Given area find sides
In a right angle triangle given area 'A' one arm=x, another arm=2x then find the value of x. For example, area A=400 then ...

13 years ago