Risposto
dB scale (log scale) of a polar plot graph
You can try this: <http://www.mathworks.com/matlabcentral/fileexchange/26476-a-basic-polar-plot-tool-in-db-linear-scale Polar P...

circa 12 anni fa | 0

Risposto
color map and color data
Unless you give the modified color data to colormap() it would not be updated. For example: load flujet; image(X); ...

circa 12 anni fa | 0

Risposto
Saving for loop output in an array
Terry, this implementation has a different final value. a(m+1) = a(m) + a(m)*k + n; Do you want the same final value? ...

circa 12 anni fa | 1

Risposto
error !! horzcat CAT arguments dimensions are not consistent.
Vidya, you can solve your padding problem by # switching |vertcat| and |horzcat| (reasoning in the comment below) # image is...

circa 12 anni fa | 2

| accettato

Risposto
How do I join a single string with multiple strings?
Here you go, Tom. basepath = '/data/'; filebase = 'video_'; fileext = '.avi'; files = ['00a'; '00b'; '00c']; ...

circa 12 anni fa | 0

Risposto
Undefined function or variable 'map' Error. How to fix?
Michael, you need to change line 9 from img = imread(Proj2Image); to [img,map] = imread(Proj2Image);

circa 12 anni fa | 0

| accettato

Risolto

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...

circa 12 anni fa

Risolto

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...

circa 12 anni fa

Risolto

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...

circa 12 anni fa

Risolto

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...

circa 12 anni fa

Risolto

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...

circa 12 anni fa

Risolto

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...

circa 12 anni fa

Risolto

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...

circa 12 anni fa

Risolto

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...

circa 12 anni fa

Risolto

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...

circa 12 anni fa

Risolto

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. Example...

circa 12 anni fa

Risolto

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 ...

circa 12 anni fa

Risolto

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...

circa 12 anni fa

Risolto

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...

circa 12 anni fa

Risolto

The Goldbach Conjecture
The <http://en.wikipedia.org/wiki/Goldbach's_conjecture Goldbach conjecture> asserts that every even integer greater than 2 can ...

circa 12 anni fa

Risolto

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

circa 12 anni fa

Risolto

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...

circa 12 anni fa

Risolto

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 ...

circa 12 anni fa

Risolto

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...

circa 12 anni fa

Risolto

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...

circa 12 anni fa

Risolto

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 ...

circa 12 anni fa

Risolto

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

circa 12 anni fa

Risolto

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:...

circa 12 anni fa

Risposto
error reported using find function in legend
You had added an extra set of parenthesis: hst((...),'string') --> hst(...),'string' Here is the fixed line: lh = ...

circa 12 anni fa | 0

| accettato

Risposto
A question regarding matrices
Using |dlmread()|: function G = adjacencyMatrix() filename = 'myFile.txt'; delimiterIn = ' '; s...

circa 12 anni fa | 0