Gelöst


Sort a list of complex numbers based on far they are from the origin.
Given a list of complex numbers z, return a list zSorted such that the numbers that are farthest from the origin (0+0i) appear f...

etwa 10 Jahre vor

Gelöst


Summing digits
Given n, find the sum of the digits that make up 2^n. Example: Input n = 7 Output b = 11 since 2^7 = 128, and 1 + ...

etwa 10 Jahre vor

Gelöst


Who Has the Most Change?
You have a matrix for which each row is a person and the columns represent the number of quarters, nickels, dimes, and pennies t...

etwa 10 Jahre vor

Gelöst


Return the 3n+1 sequence for n
A Collatz sequence is the sequence where, for a given number n, the next number in the sequence is either n/2 if the number is e...

etwa 10 Jahre vor

Gelöst


Back and Forth Rows
Given a number n, create an n-by-n matrix in which the integers from 1 to n^2 wind back and forth along the rows as shown in the...

etwa 10 Jahre vor

Gelöst


Most nonzero elements in row
Given the matrix a, return the index r of the row with the most nonzero elements. Assume there will always be exactly one row th...

etwa 10 Jahre vor

Gelöst


Find the numeric mean of the prime numbers in a matrix.
There will always be at least one prime in the matrix. Example: Input in = [ 8 3 5 9 ] Output out is 4...

etwa 10 Jahre vor

Gelöst


Remove any row in which a NaN appears
Given the matrix A, return B in which all the rows that have one or more <http://www.mathworks.com/help/techdoc/ref/nan.html NaN...

etwa 10 Jahre vor

Gelöst


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...

etwa 10 Jahre vor

Gelöst


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: Inpu...

etwa 10 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...

etwa 10 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...

etwa 10 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...

etwa 10 Jahre vor

Gelöst


Make a checkerboard matrix
Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1,1) should be 1. Examp...

etwa 10 Jahre vor

Gelöst


Find all elements less than 0 or greater than 10 and replace them with NaN
Given an input vector x, find all elements of x less than 0 or greater than 10 and replace them with NaN. Example: Input ...

etwa 10 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...

etwa 10 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]; and ...

etwa 10 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...

etwa 10 Jahre vor

Gelöst


Determine if input is odd
Given the input n, return true if n is odd or false if n is even.

etwa 10 Jahre vor

Gelöst


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

etwa 10 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 ...

etwa 10 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...

etwa 10 Jahre vor

Gelöst


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:...

etwa 10 Jahre vor

Beantwortet
Plotting vectors that connect
Brennan, Have you tried using <http://www.mathworks.com/help/matlab/ref/quiver.html quiver>? V = [0 2.0840 -8.6160 -0.58...

etwa 10 Jahre vor | 0

Beantwortet
I cannot get my code to output the letter grade as an array. Please help?
You can use a character array to store the letter grades for each score in order. % Here are some grades scores = [82,...

etwa 10 Jahre vor | 0

Beantwortet
I want to make several matrices from variables taken from user in a loop while performing some operation on them. I have attached a simplified code for my problem. So I want matrices from 1 to k but it is not working. Guide plz
Try this out. maxLoops = 10; % set this value matrixCollection = cell(maxLoops,1); % Initialize matrix collection for...

etwa 10 Jahre vor | 0

| akzeptiert

Beantwortet
How to write in a file, a random string from a cell ?
Joel, As the error indicates, fprintf() does not accept cell inputs. The conn variable is a 1x1 cell while the other inputs a...

etwa 10 Jahre vor | 1

| akzeptiert

Beantwortet
removing rows containing certain values
Seth, You can create logical indexes with conditional statements, and use the *&* for "and" as well as *|* for "or" to combin...

etwa 10 Jahre vor | 2

Beantwortet
writing each line of a text file in a cell array
Hi Shima, From context clues, I'm guessing "myfile.txt" is a space-delimited table of data. Your approach is useful if you do...

etwa 10 Jahre vor | 2

| akzeptiert

Beantwortet
How can I add XML attributes and corresponding values in line to RootNode
Hi Mateusz, You can add attributes directly to element nodes as well. I am providing code to create the < Attribute/ > node w...

etwa 10 Jahre vor | 3

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