Risposto
Coloring scatterplots based on frequency of point occurrence in input
*EDIT: |unique| instead of |sort|* You should be able to do it with: |unique| (use the 'rows' parameter) |hist| (use th...
Coloring scatterplots based on frequency of point occurrence in input
*EDIT: |unique| instead of |sort|* You should be able to do it with: |unique| (use the 'rows' parameter) |hist| (use th...
oltre 14 anni fa | 4
| accettato
Pubblicato
Finding the best distribution that fits the data
Jiro's pick this week is allfitdist by Mike Sheppard. As an application engineer, I go out and deliver...
oltre 14 anni fa
Risposto
Plot using scatter3 function.
Is this what you're looking for? x = rand(1,24); y = rand(1,24); z = rand(1,24); sz = 40; colors = jet(24); ...
Plot using scatter3 function.
Is this what you're looking for? x = rand(1,24); y = rand(1,24); z = rand(1,24); sz = 40; colors = jet(24); ...
oltre 14 anni fa | 1
Risolto
Return the 'Size' of a String of Code
One of the most 'mysterious' parts of playing Cody is the sizing system. Given a string of commands, return the size that Cody w...
oltre 14 anni fa
Pubblicato
Units Conversion Toolbox
Brett's Pick this week is Units Conversion Toolbox, by John McDermid. Once, a long time ago, I was a real...
oltre 14 anni fa
Risolto
wait for me
wait exactly x seconds please, need not be more than 2 seconds but must be accurate within say 50 milliseconds, your function mu...
oltre 14 anni fa
Pubblicato
A non-engineer tinkers with Simulink
Greg's pick this week is A non-engineer tinkers with Simulink by Dimitri Shvorob. Contents ...
oltre 14 anni fa
Risolto
Target sorting
Sort the given list of numbers |a| according to how far away each element is from the target value |t|. The result should return...
oltre 14 anni fa
Risolto
Counting in Finnish
Sort a vector of single digit whole numbers alphabetically by their name, in Finnish. See the Wikipedia page for <http://en.wik...
oltre 14 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...
oltre 14 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...
oltre 14 anni fa
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...
oltre 14 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 ...
oltre 14 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...
oltre 14 anni fa
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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 ...
oltre 14 anni fa
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Return a list sorted by number of occurrences
Given a vector x, return a vector y of the unique values in x sorted by the number of occurrences in x. Ties are resolved by a ...
oltre 14 anni fa
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Binary numbers
Given a positive, scalar integer n, create a (2^n)-by-n double-precision matrix containing the binary numbers from 0 through 2^n...
oltre 14 anni fa
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Nearest Numbers
Given a row vector of numbers, find the indices of the two nearest numbers. Examples: [index1 index2] = nearestNumbers([2 5 3...
oltre 14 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 ...
oltre 14 anni fa
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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...
oltre 14 anni fa
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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...
oltre 14 anni fa
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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...
oltre 14 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 ...
oltre 14 anni fa
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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 + ...
oltre 14 anni fa
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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...
oltre 14 anni fa
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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...
oltre 14 anni fa
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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...
oltre 14 anni fa
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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.
oltre 14 anni fa
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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:...
oltre 14 anni fa