Community Profile

photo

Sindar


University of Colorado Boulder

Last seen: mehr als ein Jahr vor Aktiv seit 2018

Statistics

All
  • 12 Month Streak
  • Knowledgeable Level 5
  • Pro
  • Revival Level 2
  • Introduction to MATLAB Master
  • Community Group Solver
  • Solver
  • First Answer

Abzeichen anzeigen

Content Feed

Anzeigen nach

Gelöst


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.

fast 3 Jahre vor

Gelöst


Magic is simple (for beginners)
Determine for a magic square of order n, the magic sum m. For example m=15 for a magic square of order 3.

fast 3 Jahre vor

Gelöst


Make a random, non-repeating vector.
This is a basic MATLAB operation. It is for instructional purposes. --- If you want to get a random permutation of integer...

fast 3 Jahre vor

Gelöst


Roll the Dice!
*Description* Return two random integers between 1 and 6, inclusive, to simulate rolling 2 dice. *Example* [x1,x2] =...

fast 3 Jahre vor

Gelöst


Number of 1s in a binary string
Find the number of 1s in the given binary string. Example. If the input string is '1100101', the output is 4. If the input stri...

fast 3 Jahre vor

Gelöst


Return the first and last character of a string
Return the first and last character of a string, concatenated together. If there is only one character in the string, the functi...

fast 3 Jahre vor

Gelöst


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...

fast 3 Jahre vor

Gelöst


Getting the indices from a vector
This is a basic MATLAB operation. It is for instructional purposes. --- You may already know how to <http://www.mathworks....

fast 3 Jahre vor

Gelöst


Determine whether a vector is monotonically increasing
Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...

fast 3 Jahre vor

Gelöst


Check if number exists in vector
Return 1 if number _a_ exists in vector _b_ otherwise return 0. a = 3; b = [1,2,4]; Returns 0. a = 3; b = [1,...

fast 3 Jahre vor

Gelöst


Swap the first and last columns
Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...

fast 3 Jahre vor

Gelöst


Swap the input arguments
Write a two-input, two-output function that swaps its two input arguments. For example: [q,r] = swap(5,10) returns q = ...

fast 3 Jahre vor

Gelöst


Column Removal
Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; ...

fast 3 Jahre vor

Gelöst


Reverse the vector
Reverse the vector elements. Example: Input x = [1,2,3,4,5,6,7,8,9] Output y = [9,8,7,6,5,4,3,2,1]

fast 3 Jahre vor

Gelöst


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...

fast 3 Jahre vor

Gelöst


Length of the hypotenuse
Given short sides of lengths a and b, calculate the length c of the hypotenuse of the right-angled triangle. <<http://upload....

fast 3 Jahre vor

Gelöst


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...

fast 3 Jahre vor

Gelöst


Generate a vector like 1,2,2,3,3,3,4,4,4,4
Generate a vector like 1,2,2,3,3,3,4,4,4,4 So if n = 3, then return [1 2 2 3 3 3] And if n = 5, then return [1 2 2...

fast 3 Jahre vor

Gelöst


Return area of square
Side of square=input=a Area=output=b

fast 3 Jahre vor

Gelöst


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.

fast 3 Jahre vor

Gelöst


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 ...

fast 3 Jahre vor

Gelöst


Add two numbers
Given a and b, return the sum a+b in c.

fast 3 Jahre vor

Gelöst


Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

fast 3 Jahre vor

Gelöst


Longest run of consecutive numbers
Given a vector a, find the number(s) that is/are repeated consecutively most often. For example, if you have a = [1 2 2 2 1 ...

fast 3 Jahre vor

Gelöst


Rescale Scores
Each column (except last) of matrix |X| contains students' scores in a course assignment or a test. The last column has a weight...

fast 3 Jahre vor

Gelöst


Calculate Inner Product
Given two input matrices, |x| and |y|, check if their inner dimensions match. * If they match, create an output variable |z|...

fast 3 Jahre vor

Gelöst


Find MPG of Lightest Cars
The file |cars.mat| contains a table named |cars| with variables |Model|, |MPG|, |Horsepower|, |Weight|, and |Acceleration| for ...

fast 3 Jahre vor

Gelöst


Find the Best Hotels
Given three input variables: * |hotels| - a list of hotel names * |ratings| - their ratings in a city * |cutoff| - the rat...

fast 3 Jahre vor

Gelöst


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...

fast 3 Jahre vor

Gelöst


Calculate BMI
Given a matrix |hw| (height and weight) with two columns, calculate BMI using these formulas: * 1 kilogram = 2.2 pounds * 1 ...

fast 3 Jahre vor

Mehr laden