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Feeds
解決済み
Lightning strike distance: Writing a function
Write a function named LightningDistance that outputs "distance" given input "seconds". Seconds is the time from seeing lightnin...
10年弱 前
解決済み
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:...
10年弱 前
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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...
11年弱 前
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Legendre polynomials
Given an integer _n_ ≥ 0, generate the _n_-th <http://en.wikipedia.org/wiki/Legendre_polynomials Legendre polynomial>. *Ex...
11年以上 前
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generate a matrix of Legendre polynomials
input = x - the degree of the polynomial output = matrix of Legendre polynomials
11年以上 前
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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 ...
11年以上 前
解決済み
Sum of series I
What is the sum of the following sequence: Σ(2k-1) for k=1...n for different n?
12年弱 前
解決済み
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...
12年弱 前
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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 +...
12年弱 前
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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...
約12年 前
解決済み
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...
12年以上 前
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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 =...
12年以上 前
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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 ...
12年以上 前
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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...
12年以上 前
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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...
12年以上 前
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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]; ...
12年以上 前
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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 =...
12年以上 前
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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...
12年以上 前
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Is the input divisible by 3?
Return true if the input is divisible by 3 and false if not.
12年以上 前
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First N Perfect Squares
*Description* Return the first N perfect squares *Example* input = 4; output = [ 1 4 9 16 ];
12年以上 前
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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...
12年以上 前
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Do Fast Fourier Transformation
Example Fast Fourier Transformation from vector [2,1]) ans = 3 1
12年以上 前
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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...
12年以上 前
解決済み
Create a row array using double colon operator
Create a row array from 9 to 1, using the double colon operator.
12年以上 前
解決済み
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 ...
12年以上 前
