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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...

mer än 4 år ago

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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:...

mer än 4 år ago

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

mer än 4 år ago

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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...

mer än 5 år ago

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

nästan 6 år ago

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

nästan 6 år 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 ...

nästan 6 år ago

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Remove the Zero
Given an array n, remove all zeros

ungefär 6 år ago

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

mer än 6 år ago

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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...

mer än 6 år ago

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

mer än 6 år 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 +...

mer än 6 år ago

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

mer än 6 år 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...

mer än 6 år ago

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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...

mer än 6 år 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 =...

mer än 6 år 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 ...

mer än 6 år ago

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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...

mer än 6 år ago

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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...

mer än 6 år 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]; ...

nästan 7 år 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 =...

nästan 7 år ago

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

nästan 7 år ago

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

nästan 7 år ago

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

nästan 7 år ago

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

nästan 7 år ago

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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...

nästan 7 år ago

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

nästan 7 år ago

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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...

nästan 7 år ago

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

nästan 7 år 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 ...

nästan 7 år ago