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K Anderson


Last seen: 2 months ago |  Active since 2024

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

3 months ago

Solved


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...

3 months ago

Solved


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...

3 months ago

Solved


Whether the input is vector?
Given the input x, return 1 if x is vector or else 0.

3 months ago

Solved


Find max
Find the maximum value of a given vector or matrix.

3 months ago

Solved


Get the length of a given vector
Given a vector x, the output y should equal the length of x.

3 months ago

Solved


Inner product of two vectors
Find the inner product of two vectors.

3 months ago

Solved


Arrange Vector in descending order
If x=[0,3,4,2,1] then y=[4,3,2,1,0]

3 months ago

Solved


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 months ago

Solved


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 ...

3 months ago

Answered
How do I skip items in a legend?
If you plot multiple lines with the same plot command like this h(1,:) = plot(rand(4,11),'r') hold on h(2,:) = plot(rand(4,11...

3 months ago | 0