Resuelto


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.

más de 6 años hace

Resuelto


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...

más de 6 años hace

Respondida
Index exceeds the number of array elements (1)
While I don't speak that language, I believe your problem is with having defaultinput as a different size to prompt. Note the f...

más de 6 años hace | 0

| aceptada

Resuelto


Weighted average
Given two lists of numbers, determine the weighted average. Example [1 2 3] and [10 15 20] should result in 33.333...

más de 6 años hace

Resuelto


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...

más de 6 años hace

Resuelto


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...

más de 6 años hace

Resuelto


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...

más de 6 años hace

Resuelto


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...

más de 6 años hace

Resuelto


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...

más de 6 años hace

Resuelto


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...

más de 6 años hace

Respondida
How to combine all columns of an array into one column?
EDIT - More appropriate solution: A = [6 5 3]; A_new = str2double(sprintf('%d',A)) Original answer (don't do this): There'...

más de 6 años hace | 1

| aceptada

Respondida
How to know the size of pixel in mm/cm/m if i create randomly distributed circles or rectangulars ?
As mentioned above, you need a reference for your pixels. This could be for example PPI (pixels per inch) for your monitor, or p...

más de 6 años hace | 1

| aceptada

Respondida
creating graphs from loops
Hi Georgia, You actually dont need a loop at all. You can get the answer easily using piecewise multiplication and division ins...

más de 6 años hace | 1

Respondida
Max or Min values of multidimensional array with variable number of arrays (3rd dimension)
Hi Jason, The correct syntax is M = max(A,[],dim) and similar for min(). out1=max(CombinedArray,[],3) out2=min(CombinedArray...

más de 6 años hace | 0

| aceptada

Respondida
Reading/Extracting data from a text file in a certain format using Matlab
Hi Shuvashish, If i'm correct in my understanding of your data, it looks like you want to take the first and fifth line of da...

más de 6 años hace | 1

| aceptada

Resuelto


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 ...

más de 6 años hace

Resuelto


Is my wife right?
Regardless of input, output the string 'yes'.

más de 6 años hace

Resuelto


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...

más de 6 años hace

Resuelto


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]; ...

más de 6 años hace

Resuelto


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...

más de 6 años hace

Resuelto


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

más de 6 años hace

Resuelto


Alphabetize by last name
Given a list of names in a cell array, sort the list by the last name. So if list = {'Barney Google','Snuffy Smith','Dagwood ...

más de 6 años hace

Resuelto


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

más de 6 años hace

Resuelto


Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

más de 6 años hace

Resuelto


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 ...

más de 6 años hace

Resuelto


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...

más de 6 años hace

Resuelto


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:...

más de 6 años hace

Resuelto


Read a column of numbers and interpolate missing data
Given an input cell array of strings s, pick out the second column and turn it into a row vector of data. Missing data will be i...

más de 6 años hace

Respondida
how do I count the upper and lowercase letters in a string
str='UlUlUlUl' newStr = upper(str) % make a second string converting the original too all uppercase % then use strcmp compar...

más de 6 años hace | 0