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Celestino


U. Sevilla

153 total contributions since 2012

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Lightning strike distance: Writing a function
Write a function named LightningDistance that outputs "distance" given input "seconds". Seconds is the time from seeing lightnin...

etwa 3 Jahre ago

Solved


Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

etwa 3 Jahre ago

Solved


Linear system of equations
Solve the system of equations in three variables.

etwa 3 Jahre ago

Solved


Sum my indices
Given inputs M and N (in that order), output an MxN matrix whose entries are equal to the sum of their indices. Example input...

mehr als 4 Jahre ago

Solved


Legendre polynomials
Given an integer _n_ &ge; 0, generate the _n_-th <http://en.wikipedia.org/wiki/Legendre_polynomials Legendre polynomial>. *Ex...

mehr als 4 Jahre ago

Solved


generate a matrix of Legendre polynomials
input = x - the degree of the polynomial output = matrix of Legendre polynomials

mehr als 4 Jahre ago

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Make one big string out of two smaller strings
If you have two small strings, like 'a' and 'b', return them put together like 'ab'. 'a' and 'b' => 'ab' For extra ...

mehr als 4 Jahre ago

Solved


Remove the Zero
Given an array n, remove all zeros

fast 5 Jahre ago

Solved


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

etwa 5 Jahre ago

Solved


Flipping
Write code that can reverse the vector without using any sort of loop. Example Given the input vector A = [ 1 2 3 4 5...

etwa 5 Jahre ago

Solved


length of a vector
Find twice the length of a given vector.

mehr als 5 Jahre ago

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Evaluating a polynomial
Given the following polynomial and the value for x, determine y. y = 3x^5 – x^3 + 8x – 3 Example x = 1 y = 3 - 1 +...

mehr als 5 Jahre ago

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Remainder
Make 'y' equal to the remainder of 27 divided by 5. When x=27 and t=5

mehr als 5 Jahre ago

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Find maximum value of a curve
Two vectors shall be already defined: - Input vector x (e.g. x = 0:1:10) - Result vector y (e.g. y = sin(x)) Create a n...

mehr als 5 Jahre ago

Solved


Back to basics 6 - Column Vector
Covering some basic topics I haven't seen elsewhere on Cody. Given an input vector, output true or false whether it is a colu...

mehr als 5 Jahre ago

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De-dupe
Remove all the redundant elements in a vector, but keep the first occurrence of each value in its original location. So if a =...

mehr als 5 Jahre ago

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Test within tolerance
Given a vector of experimental data, D, and a vector of truth data, T, return FALSE if any +/- errors (D-T) are outside a given ...

mehr als 5 Jahre ago

Solved


Balanced number
Given a positive integer find whether it is a balanced number. For a balanced number the sum of first half of digits is equal to...

mehr als 5 Jahre ago

Solved


Newton Interpolation
Given a set of measurements of dependent variables in a vector, Y, that vary with one independent variable in a vector, X, calcu...

mehr als 5 Jahre 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]; ...

mehr als 5 Jahre ago

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Local Minima
Given a vector of data x, find the values of local minimum that is smaller than its neighbor elements. For example, if x =...

mehr als 5 Jahre ago

Solved


Read a Soroban Abacus
*Description* The Soroban is the name of the modern Japanese abacus. Information on reading a Soroban can be found <http://we...

mehr als 5 Jahre ago

Solved


Is the input divisible by 3?
Return true if the input is divisible by 3 and false if not.

mehr als 5 Jahre ago

Solved


First N Perfect Squares
*Description* Return the first N perfect squares *Example* input = 4; output = [ 1 4 9 16 ];

mehr als 5 Jahre ago

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Add two numbers
Calculate the sum of two numbers. Example input = [2 3] output = 5

mehr als 5 Jahre ago

Solved


Generate N equally spaced intervals between -L and L
Given N and L, return a list of numbers (in ascending order) that divides the interval [-L L] into N equal-length segments. F...

mehr als 5 Jahre ago

Solved


Do Fast Fourier Transformation
Example Fast Fourier Transformation from vector [2,1]) ans = 3 1

mehr als 5 Jahre ago

Solved


Project Euler: Problem 1, Multiples of 3 and 5
If we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3, 5, 6 and 9. The sum of these multiples is 23...

mehr als 5 Jahre ago

Solved


Create a row array using double colon operator
Create a row array from 9 to 1, using the double colon operator.

mehr als 5 Jahre ago

Solved


Bottles of beer
Given an input number representing the number of bottles of beer on the wall, output how many are left if you take one down and ...

mehr als 5 Jahre ago

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