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Feeds
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 ...
presque 12 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...
presque 12 ans il y a
A résolu
radius of a spherical planet
you just measured its surface area, that is the input.
presque 14 ans il y a
A résolu
Remove all the consonants
Remove all the consonants in the given phrase. Example: Input s1 = 'Jack and Jill went up the hill'; Output s2 is 'a ...
presque 14 ans il y a
A résolu
Find the alphabetic word product
If the input string s is a word like 'hello', then the output word product p is a number based on the correspondence a=1, b=2, ....
presque 14 ans il y a
A résolu
Quote Doubler
Given a string s1, find all occurrences of the single quote character and replace them with two occurrences of the single quote ...
presque 14 ans il y a
A résolu
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...
presque 14 ans il y a
A résolu
Cell joiner
You are given a cell array of strings and a string delimiter. You need to produce one string which is composed of each string fr...
presque 14 ans il y a
A résolu
The Goldbach Conjecture
The <http://en.wikipedia.org/wiki/Goldbach's_conjecture Goldbach conjecture> asserts that every even integer greater than 2 can ...
presque 14 ans il y a
A résolu
Create a cell array out of a struct
Create a cell array out of a (single) struct with the fieldname in the first column and the value in the second column: in: ...
presque 14 ans il y a
A résolu
Sort a list of complex numbers based on far they are from the origin.
Given a list of complex numbers z, return a list zSorted such that the numbers that are farthest from the origin (0+0i) appear f...
presque 14 ans il y a
A résolu
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...
presque 14 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...
presque 14 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...
presque 14 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 ...
presque 14 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.
presque 14 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:...
presque 14 ans il y a
How can I remove all the paths for Toolboxes in MATLAB?
There is no supported way of undoing the path setting in MATLAB. The safest way to avoid name collisions is to rename all user f...
presque 15 ans il y a | 2
| A accepté
Second order homogeneous differential equation
You can use the DSOLVE command in the Symbolic Math Toolbox: >> dsolve('D2y - Dy - 6*y = 0') ans = C4*exp(3*t) +...
presque 15 ans il y a | 1
How do I dynamically generate a file name for save in MATLAB
You can use the function form of the SAVE command: i = 10; fname = sprintf('myfile%d.mat', i); save(fname) For m...
environ 15 ans il y a | 12
Why do I get false results when using equal relational operation for the logical operation?
If you look carefully at the definition of fundamental arithmetic operations like addition and multiplication, you soon encounte...
environ 15 ans il y a | 0
How does logical indexing work?
Assume A is a MxN matrix. Let "tf" be a MxN logical matrix. Then A(tf) extracts all elements of A corresponding to all tru...
environ 15 ans il y a | 1
Why is 6*i not a complex number in my program?
Looks like you might have a variable defined named "i" which is a real. If this is the case, then the "definition" of "i" as ima...
environ 15 ans il y a | 0
Does absolute intensity in an image matter when computing the normalized cross correlation with NORMXCORR2?
The normalized cross correlation computed in normxcorr2 is robust to differences in illumination between the template and input ...
environ 15 ans il y a | 1
| A accepté
How is the winning neuron selected by the NEWSOM function within Neural Network Toolbox?
The NEWSOM function is used to obtain a self-organizing network. The syntax for this function is as follows: net = newsom(P...
environ 15 ans il y a | 1
| A accepté
Question
Is there a function which calculates a POLYFIT and MEAN of vectors in MATLAB 7.11 (R2010b)?
I am working with MATLAB 7.11 (R2010b). In my project I need to linear fit multiple vectors and calculate the mean of them. I wo...
environ 15 ans il y a | 1 réponse | 0
1
réponseQuestion
How is the winning neuron selected by the NEWSOM function within Neural Network Toolbox?
I would like to know how the winning neuron is selected by the NEWSOM function within Neural Network Toolbox.
environ 15 ans il y a | 1 réponse | 0
