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A résolu
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...
plus de 9 ans il y a
A résolu
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...
plus de 9 ans il y a
A résolu
The Hitchhiker's Guide to MATLAB
Output logical "true" if the input is the answer to life, the universe and everything. Otherwise, output logical "false".
plus de 9 ans il y a
A résolu
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...
plus de 9 ans il y a
A résolu
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 ...
plus de 9 ans il y a
A résolu
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.
plus de 9 ans il y a
A résolu
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...
plus de 9 ans il y a
A résolu
Which values occur exactly three times?
Return a list of all values (sorted smallest to largest) that appear exactly three times in the input vector x. So if x = [1 2...
plus de 9 ans il y a
A résolu
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 ...
plus de 9 ans il y a
A résolu
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...
plus de 9 ans il y a
A résolu
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...
plus de 9 ans il y a
A résolu
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...
plus de 9 ans il y a
A résolu
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...
plus de 9 ans il y a
A résolu
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...
plus de 9 ans il y a
A résolu
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...
plus de 9 ans il y a
A résolu
Determine if input is odd
Given the input n, return true if n is odd or false if n is even.
plus de 9 ans il y a
A résolu
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...
plus de 9 ans il y a
A résolu
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:...
plus de 9 ans il y a
A soumis
Oscillator and Signal Generator
A simple command-line function for generating standard waveforms, click trains and noise bursts.
environ 10 ans il y a | 3 téléchargements |
A soumis
Round to X
Rounds the supplied N-D matrix to the values in a supplied array.
presque 11 ans il y a | 1 téléchargement |
Column vector with interval
There are two ways to approach this and I think you're conflating the two: Here's one option colvec = [2:-.1:0]'; He...
presque 11 ans il y a | 3
| A accepté
Simple operation with vectors
Location of the max y values as the index into x: x(y==max(y))
presque 11 ans il y a | 0
| A accepté
A soumis
Time Series Indexing and Averaging
Outputs windowed means of a continuous set of data given a vector of labels and time stamps
presque 11 ans il y a | 1 téléchargement |
how can i get the average of group of rows in time series?
I might suggest a function I have <http://www.mathworks.com/matlabcentral/fileexchange/47142-timeseries-indexer-labels-timestamp...
presque 11 ans il y a | 0
How do I fix this uigetfile multiselect error?
Don't know if this is the cause of your problem, but I can say that uigetfile in 'MultiSelect' mode has the bothersome behavior ...
presque 11 ans il y a | 0
| A accepté
how to mix two audio signals
Simple mixing is just adding. y3 = y1 + y2; If you want to control the level of each within the mix, then you need to ad...
presque 11 ans il y a | 2
| A accepté
how to calculate element distance in a vector?
Try this: answer = sum((abs(diff(M,1,2))),2)
environ 11 ans il y a | 2
how to calculate element distance in a vector?
It looks like you want the sum of the absolute value of the differential of those numbers? You get your first answer like this: ...
environ 11 ans il y a | 1
| A accepté
How to put wav file as input argument of a function ?
You need to load the signal that's in the file 'Songbird.wav' into the Matlab workspace first: stimulus = audioread('Songbi...
plus de 11 ans il y a | 0
generating aperodic impulse train or triangular pulse or rectangular pulse
It's a bit hard to know exactly what parameters you are after, but if all you are doing is making a click train with randomly ch...
plus de 11 ans il y a | 0
