統計
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Feeds
解決済み
Fibonacci sequence
Calculate the nth Fibonacci number. Given n, return f where f = fib(n) and f(1) = 1, f(2) = 1, f(3) = 2, ... Examples: Input...
4ヶ月 前
解決済み
Doubling elements in a vector
Given the vector A, return B in which all numbers in A are doubling. So for: A = [ 1 5 8 ] then B = [ 1 1 5 ...
4ヶ月 前
解決済み
Flip the vector from right to left
Flip the vector from right to left. Examples x=[1:5], then y=[5 4 3 2 1] x=[1 4 6], then y=[6 4 1]; Request not to use d...
4ヶ月 前
解決済み
Get the length of a given vector
Given a vector x, the output y should equal the length of x.
4ヶ月 前
解決済み
Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...
4ヶ月 前
質問
キーボードショートカットをEmacs規定の設定にしたとき、元に戻すの「Ctrl+アンダースコア」が動作しない
キーボードショートカットをEmacs規定の設定にすると、「元に戻す」には「Ctrl+Shift+マイナス」「Ctrl+アンダースコア」「Ctrl+X, U」の3つが指定されています。これらのうち、「Ctrl+アンダースコア」が動作しません。他の二つは動作し...
約4年 前 | 0 件の回答 | 0
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回答解決済み
Remove the polynomials that have positive real elements of their roots.
The characteristic equation for a dynamic system is a polynomial whose roots indicate its behavior. If any of the roots of the p...
約5年 前
解決済み
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...
約5年 前
解決済み
Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...
約5年 前
解決済み
Find state names that start with the letter N
Given a list of US states, remove all the states that start with the letter N. If s1 = 'Alabama Montana Nebraska Vermont Ne...
約5年 前
解決済み
Interpolator
You have a two vectors, a and b. They are monotonic and the same length. Given a value, va, where va is between a(1) and a(end...
約5年 前
解決済み
Set the array elements whose value is 13 to 0
Input A either an array or a vector (which can be empty) Output B will be the same size as A . All elements of A equal to 13...
約5年 前
解決済み
Return unique values without sorting
If the input vector A is [42 1 1], the output value B must be the unique values [42 1] The *values of B are in the s...
約5年 前
解決済み
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]...
約5年 前
解決済み
Vector creation
Create a vector using square brackets going from 1 to the given value x in steps on 1. Hint: use increment.
約5年 前
解決済み
Return a list sorted by number of occurrences
Given a vector x, return a vector y of the unique values in x sorted by the number of occurrences in x. Ties are resolved by a ...
約5年 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:...
約5年 前
