Question


Partition Domain Given Data of the Form w = f(x,y,z)
I have 4 vectors of size 1 x 15e8. The data is of the form w = f(x,y,z) I want to break the domain of x,y,z into cells or...

environ 12 ans il y a | 1 réponse | 0

1

réponse

Question


Finding Consecutive True Values in a Vector
I want to sum consecutive 1 values given a logical input vector. An example of input and output is below. Notice that the outp...

plus de 12 ans il y a | 4 réponses | 0

4

réponses

Question


Why does MATLAB add the MATLABROOT\bin directory to my path?
When MATLAB installs, it always add its "bin" directory to my path. Why? Example: The end of my path has "C:\MathWorks\MAT...

plus de 12 ans il y a | 1 réponse | 0

1

réponse

Question


How do I plot one timeseries vs another from the command line?
I have two timeseries. I want to plot them vs each other in an XY plot. Is this possible to do this like in the tstool "XY Plo...

plus de 12 ans il y a | 2 réponses | 0

2

réponses

Question


Why does tab complete not work for user written functions that except filenames?
Why does tab complete not work for user written functions that except filenames? function testFunction(file) di...

presque 13 ans il y a | 2 réponses | 0

2

réponses

Réponse apportée
While loop for the elements of an array
See the lines below. This will work. a=[1 1 1 1 1 1 1 10 1 1 1 1 1 1 12 1 1 1 1 3]; i = 1; enas=0; while a(i)==1 % ...

environ 13 ans il y a | 0

Réponse apportée
detecting Excel files without Excel extension
I wrote a function that uses the Excel ActiveX server. It is still slow like MATLAB's xlsfinfo. However, it gains a little spe...

environ 13 ans il y a | 0

Question


detecting Excel files without Excel extension
I need to be able to identify an Excel file without using xlsfinfo. It is a VERY slow function. Without it, my algorithm runs ...

environ 13 ans il y a | 3 réponses | 1

3

réponses

A résolu


Interpolator
You have a two vectors, a and b. They are monotonic and the same length. Given a value, va, where va is between a(1) and a(end...

plus de 13 ans il y a

A résolu


The Goldbach Conjecture, Part 2
The <http://en.wikipedia.org/wiki/Goldbach's_conjecture Goldbach conjecture> asserts that every even integer greater than 2 can ...

plus de 13 ans il y a

A résolu


Right and wrong
Given a vector of lengths [a b c], determines whether a triangle with those sides lengths is a right triangle: <http://en.wikipe...

plus de 13 ans il y a

A résolu


Program an exclusive OR operation with logical operators
Program an exclusive or operation *without* using the MATLAB function xor. Use logical operators like |, &, ~, ... instead. ...

plus de 13 ans il y a

A résolu


Omit columns averages from a matrix
Omit columns averages from a matrix. For example: A = 16 2 3 13 5 11 10 8 9 7 ...

plus de 13 ans il y a

A résolu


given 3 sides, find area of this triangle
1:3 -> 0; 3:5 -> 6

plus de 13 ans il y a

A résolu


Tell me the slope
Tell me the slope, given a vector with horizontal run first and vertical rise next. Example input: x = [10 2];

plus de 13 ans il y a

A résolu


Given an unsigned integer x, find the largest y by rearranging the bits in x
Given an unsigned integer x, find the largest y by rearranging the bits in x. Example: Input x = 10 Output y is 12 ...

plus de 13 ans il y a

A résolu


Back to basics 6 - Column Vector
Covering some basic topics I haven't seen elsewhere on Cody. Given an input vector, output true or false whether it is a colu...

plus de 13 ans il y a

A résolu


Love triangles
Given a vector of lengths [a b c], determines whether a triangle with non-zero area (in two-dimensional Euclidean space, smarty!...

plus de 13 ans il y a

A résolu


All capital?
Are all the letters in the input string capital letters? Examples: 'MNOP' -> 1 'MN0P' -> 0

plus de 13 ans il y a

A résolu


surface of a spherical planet
you just discovered its circumference, that is the input.

plus de 13 ans il y a

A résolu


Find the sum of the elements in the "second" diagonal
Find the sum of the elements in the diagonal that starts at the top-right corner and ends at the bottom-left corner.

plus de 13 ans il y a

A résolu


Make one big string out of two smaller strings
If you have two small strings, like 'a' and 'b', return them put together like 'ab'. 'a' and 'b' => 'ab' For extra ...

plus de 13 ans il y a

A résolu


Factorize THIS, buddy
List the prime factors for the input number, in decreasing order. List each factor only once, even if the factorization includes...

plus de 13 ans il y a

A résolu


Arrange Vector in descending order
If x=[0,3,4,2,1] then y=[4,3,2,1,0]

plus de 13 ans il y a

A résolu


Bottles of beer
Given an input number representing the number of bottles of beer on the wall, output how many are left if you take one down and ...

plus de 13 ans il y a

A résolu


Project Euler: Problem 1, Multiples of 3 and 5
If we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3, 5, 6 and 9. The sum of these multiples is 23...

plus de 13 ans il y a

A résolu


Is my wife right? Now with even more wrong husband
Again, as in "Is my wife right?" ( <http://www.mathworks.com/matlabcentral/cody/problems/149-is-my-wife-right> ), answer 'yes' r...

plus de 13 ans il y a

A résolu


inner product of two vectors
inner product of two vectors

plus de 13 ans il y a

A résolu


Sorted highest to lowest?
Return 1 if the input is sorted from highest to lowest, 0 if not. Example: 1:7 -> 0 [7 5 2] -> 1

plus de 13 ans il y a

A résolu


Swap the input arguments
Write a two-input, two-output function that swaps its two input arguments. For example: [q,r] = swap(5,10) returns q = ...

plus de 13 ans il y a

Charger plus