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...
4 years 前
已解决
Distance walked 1D
Suppose you go from position 7 to 10 to 6 to 4. Then you have walked 9 units of distance, since 7 to 10 is 3 units, 10 to 6 is 4...
4 years 前
已解决
Simple Matrix
Make the following matrix without typing it in one by one.
[1 2 3;
2 4 6;
4 8 12]
x=[1 2 3].
4 years 前
已解决
Crop an Image
A grayscale image is represented as a matrix in MATLAB. Each matrix element represents a pixel in the image. An element value re...
4 years 前
已解决
Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.]
Non-scor...
5 years 前
已解决
Sums of cubes and squares of sums
Given the positive integers 1:n, can you:
1. Compute twice the sum of the cubes of those numbers.
2. Subtract the square...
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.
5 years 前
已解决
Sum the 'edge' values of a matrix
Sum the 'edge' values of an input matrix (the values along the perimeter).
Example
[1 2 3
4 5 6
7 8 9]
Output = ...
5 years 前
已解决
Find the Oldest Person in a Room
Given two input vectors:
* |name| - user last names
* |age| - corresponding age of the person
Return the name of the ol...