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How do I link an image and a histogram of that image so the histogram only represents what is shown in the image, i.e. if I zoom in on the image, the histogram updates?
I was able to get this to work by setting the ActionPostCallback for the zoom function to call a custom function. set(zoom(...
meer dan 8 jaar ago | 0
| accepted
Question
How do I link an image and a histogram of that image so the histogram only represents what is shown in the image, i.e. if I zoom in on the image, the histogram updates?
I have a gui with two axes, an image (created using imagesc) and a histogram of that image. I want to add a menu item that will...
meer dan 8 jaar ago | 2 answers | 0
2
answersQuestion
I'm using imagesc to display data in grayscale. I want to be able to set the color for one particular value to red. How do I accomplish this?
I have a 2-d matrix of type double. I want to display the data while retaining the values in the image. The image is to be dis...
ongeveer 9 jaar ago | 1 answer | 0
1
answerSolved
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...
ongeveer 9 jaar ago
Question
how do I plot a table to a figure?
I'm playing with tables because I liked how it's displayed and I'd like to display the table in a figure. Is there a simple way...
bijna 10 jaar ago | 1 answer | 0
1
answerQuestion
Assistance trying to load 3rd party dll/headers into Matlab
Greetings, I'm not a programmer so please be gentle :) I have a program that was written in C# (I think) that creates a gui ...
ongeveer 10 jaar ago | 1 answer | 0
1
answerhow to subtract and insert a data into a matrix
Perhaps something like the following? % Subtracting and replacing even rows Data = *original data*; UpdatedData = zer...
meer dan 10 jaar ago | 0
Solved
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...
ongeveer 11 jaar ago
Solved
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...
ongeveer 11 jaar ago
Solved
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...
ongeveer 11 jaar ago
Solved
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...
ongeveer 11 jaar ago
Solved
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...
ongeveer 11 jaar ago
Solved
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...
ongeveer 11 jaar ago
Solved
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...
ongeveer 11 jaar ago
Solved
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...
ongeveer 11 jaar ago
Solved
Cull vector elements that contain a specified digit
Given inputs of (1) a row vector and (2) a digit, identify the elements of that vector that contain the digit, remove them, and ...
ongeveer 11 jaar ago
Solved
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...
ongeveer 11 jaar ago
Solved
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]
ongeveer 11 jaar ago
Solved
Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...
ongeveer 11 jaar ago
Solved
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...
ongeveer 11 jaar ago
Solved
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 ...
ongeveer 11 jaar ago
Solved
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 ...
ongeveer 11 jaar ago
Solved
Determine if input is odd
Given the input n, return true if n is odd or false if n is even.
ongeveer 11 jaar ago
Solved
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...
ongeveer 11 jaar ago
Solved
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 ...
ongeveer 11 jaar ago
Solved
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:...
ongeveer 11 jaar ago
Question
Bug, feature, or misuse? Issue with map container
I'm using Matlab 2012a and I'm trying out map containers and I came across what I think is a bug. I have a variable which is a ...
meer dan 12 jaar ago | 1 answer | 2
1
answerQuestion
Hopefully simple UIButtonGroup question
I created a UIButtonGroup and instantiated several radiobuttons. I'm using the SelectionChangeFcn callback properly for the rad...
bijna 13 jaar ago | 2 answers | 0
