Calculate a Damped Sinusoid
The equation of a damped sinusoid can be written as
|y = A.ⅇ^(-λt)*cos(2πft)|
where |A|, |λ|, and |f| ...
2日 前
解決済み
Solve a System of Linear Equations
*Example*:
If a system of linear equations in _x₁_ and _x₂_ is:
2 _x₁_ + _x₂_ = 2
_x₁...
2日 前
解決済み
The 5th Root
Write a function to find the 5th root of a number.
It sounds easy, but the typical functions are not allowed (see the test su...
3日 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.
3日 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 ...
3日 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 ...
Sum all integers from 1 to 2^n
Given the number x, y must be the summation of all integers from 1 to 2^x.
For instance if x=2 then y must be 1+2+3+4=10.
3日 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...
3日 前
解決済み
Length of the hypotenuse
Given short sides of lengths a and b, calculate the length c of the hypotenuse of the right-angled triangle.
<<https://i.imgu...
3日 前
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Triangle Numbers
Triangle numbers are the sums of successive integers. So 6 is a triangle number because
6 = 1 + 2 + 3
which can be displa...
3日 前
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Finding Perfect Squares
Given a vector of numbers, return true if one of the numbers is a square of one of the other numbers. Otherwise return false.
E...
3日 前
解決済み
Maximum value in a matrix
Find the maximum value in the given matrix.
For example, if
A = [1 2 3; 4 7 8; 0 9 1];
then the answer is 9.
3日 前
解決済み
Calculate area of sector
A=function(r,seta)
r is radius of sector, seta is angle of sector, and A is its area. Area of sector A is defined as 0.5*(r^2...
Area of an equilateral triangle
Calculate the area of an equilateral triangle of side x.
<<https://i.imgur.com/jlZDHhq.png>>
Image courtesy of <http://up...
Calculate Amount of Cake Frosting
Given two input variables |r| and |h|, which stand for the radius and height of a cake, calculate the surface area of the cake y...
3ヶ月 前
解決済み
Create times-tables
At one time or another, we all had to memorize boring times tables. 5 times 5 is 25. 5 times 6 is 30. 12 times 12 is way more th...
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