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Fast 1-D Convolution (full shape)
This is the first problem in the <http://www.mathworks.com/matlabcentral/cody/?term=Fast+1-D+Convolution fast 1-D convolution se...
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Deriving a function using the difference quotient
Write a function that evaluates the derivative of a function in a given point using the well-know formula of the difference quot...
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Bell Triangle
Form the bell triangle upto nth bell number posotion; * if n=5 * y= [1 0 0 0 0; 1 2 0 0...
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Be happy
check whether the given number is happy in b-base. * A happy number can be defined as a number which will yield 1 when it is ...
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Cantor counting
Find the nth cantor's rational number. the sequence is given below in the link. Sequence: 1/1,1/2,2/1,3/1,2/2,1/3,1/4... ... .....
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Frugal number
check whether n is a frugal number * a frugal number is a natural number in a given number base that has more digits than the...
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Pseudo-vampire number
refer to <https://en.wikipedia.org/wiki/Vampire_number> Given a number x, determine whether it is a pseudo-vampire number. A p...
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Fangs of pseudo-vampire number
given a number, find all the fangs of that number. A pseudo-vampire number can have multiple of fangs. The output should be a...
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Relative points in 2D: problem 1
The 2D pose of a robot, with respect to a world coordinate frame {O}, is described by a 3x3 homogenous transform matrix T. A lan...
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QWERTY coordinates
Given a lowercase letter or a digit as input, return the row where that letter appears on a standard U.S. QWERTY keyboard and it...
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Sum of big primes without primes
Inspired by Project Euler n°10 (I am quite obviously a fan). With problem n°250 by Doug, you can find some global methods to co...
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Convert Volume Mixing Ratio to Density
The partial pressure of a constituent gas species of the atmosphere can be expressed in parts per million by volume. For exampl...
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Return a list sorted by number of consecutive occurrences
Inspired by Problem 38 by Cody Team. Given a vector x, return a vector y of the values in x sorted by the number of CONSECUTIVE ...
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Find the biggest empty box
You are given a matrix that contains only ones and zeros. Think of the ones as columns in an otherwise empty floor plan. You wan...
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Enviada
Convert Continued Fraction
Convert any continued fraction (non-repeating front portion and repeating portion) to (p + sqrt(d))/q representation.
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Easy Sequences 106: Counting Pythagorean Triangles inside a Circle
Pythagorean Triangle is a right triangle all sides of which are represented by integers. Examples are triangles with sides and ...
alrededor de 3 años hace
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Calculate the volume of the intersection of two balls
Consider two balls (solid spheres) in , with radius and respectively. Suppose that the distance between the centers of the two...
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Mantissa of IEEE Single
Output the mantissa bits as a uint32 of the IEEE representation of the single-typed 32-bit float input. Store these bits in the ...
alrededor de 3 años hace
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Sign of IEEE Single
Output the sign bit of the IEEE representation of the single-typed 32-bit float input as the uint8 "1" or the uint8 "0".
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Calculate the square root
Given an input integer x, calculate the square root without using the sqrt function.
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Easy Sequences 108: Enclosing a Circle with Primitive Pythagorean Triangles
Pythagorean Triangle is a right triangle all sides of which are represented by integers. Examples are triangles with sides and ...
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Integrate a product of gamma functions
Write a function to compute the following integral: where and is the gamma function, the subject of Cody Problem 46025.
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Easy Sequences 109: Summation of Derivatives of a Trigonometric Function
A trigonometric function, , is defined as follows: where: ; and ...
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Easy Sequences 110: Integration of the Sum of a Recursive Trigonometric Function
A trigonometric function, , is defined as follows: , in radians Applying recursively we define another funct...
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Evaluate the gamma function
The gamma function is a generalization of the factorial, and it appears in many applications such as evaluating certain integral...
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Minimum number of crossings in a complete bipartite graph
This problem is related to problem 58389. A complete bipartite graph may be drawn in different ways, such that the number of li...
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Minimum number of crossings in a complete graph
This problem is related to problem 58384. A complete graph may be drawn in different ways, such that the number of line crossin...
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Easy Sequences 112: Almost Golden Integer Rectangles 1
A golden rectangle is a rectangle whose side lengths are in the golden ratio, , where: . ...
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Easy Sequences 66: Fractional Part of Sum of Consecutive Powers over a Prime
Given three postive integers, , and , create the function , defined as follows: Where is the th prime and the s...
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Determine whether a number is prome
In discussing the unique factorization of numbers in Elementary Number Theory, Underwood Dudley devised a new number system: “C...
alrededor de 3 años hace