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Solved
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...
meer dan 11 jaar ago
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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...
meer dan 11 jaar ago
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Weighted average
Given two lists of numbers, determine the weighted average. Example [1 2 3] and [10 15 20] should result in 33.333...
meer dan 11 jaar ago
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Elapsed Time
Given two date strings d1 and d2 of the form yyyy/mm/dd HH:MM:SS (assume hours HH is in 24 hour mode), determine how much time, ...
meer dan 11 jaar ago
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Check if sorted
Check if sorted. Example: Input x = [1 2 0] Output y is 0
meer dan 11 jaar ago
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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...
meer dan 11 jaar ago
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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...
meer dan 11 jaar ago
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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...
meer dan 11 jaar ago
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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...
meer dan 11 jaar ago
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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...
meer dan 11 jaar ago
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Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...
meer dan 11 jaar ago
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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...
meer dan 11 jaar ago
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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...
meer dan 11 jaar ago
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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...
meer dan 11 jaar ago
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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 ...
meer dan 11 jaar ago
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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...
meer dan 11 jaar ago
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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...
meer dan 11 jaar ago
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Determine if input is odd
Given the input n, return true if n is odd or false if n is even.
meer dan 11 jaar ago
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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 ...
meer dan 11 jaar ago
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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...
meer dan 11 jaar ago
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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 ...
meer dan 11 jaar ago
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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:...
meer dan 11 jaar ago
Remove or replace trees from a TreeBagger ensemble
I figured that the solution is quite simple. TreeBagger ensemble is actually a collection of regular trees, so I went to a Tre...
ongeveer 12 jaar ago | 0
Question
Remove or replace trees from a TreeBagger ensemble
Hello, There is this method TreeBagger.combine that can combine two independently trained TreeBagger classifiers. The prob...
ongeveer 12 jaar ago | 2 answers | 0
2
answersDetecting particular Line(EDGE) in the total image
Try hough transform as in this example: <http://www.mathworks.com/help/toolbox/images/ref/hough.html>
meer dan 12 jaar ago | 0
Best way to build a database-like variable?
Hi, I find a dataset array to be quite useful in such tasks. It can be used as matrix and as a structure in the same time, and ...
meer dan 12 jaar ago | 0
Question
Reading data from a UCAC star catalogue
Hello, I wonder if someone already tried to get data from UCAC3 catalogue from within Matlab and has may be some scripts he/she...
meer dan 12 jaar ago | 0 answers | 0
0
answersHelp using getmcruserdata and setmcruserdata with JAVA
Hi, Try to create two functions in Matlab that contain getmcruserdata and setmcruserdata: function SetMCRUserData (Valu...
meer dan 12 jaar ago | 0
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