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Clean the List of Names
Given a list of names in a cell array, remove any duplications that result from different capitalizations of the same string. So...

19 jours ago

Solved

Indexed Probability Table
This question was inspired by a Stack Overflow question forwarded to me by Matt Simoneau. Given a vector x, make an indexed pro...

19 jours ago

Why does my ticks/ticks label not match the colour in my colour bar?
Not sure how to do it programatically but in the figure window you can go to "Edit -> Colormap..." and then move the little arro...

19 jours ago | 0

Adding RAM would it speed up the computations done by Matlab?
Increasing your RAM will only really be beneficial for operations on large matrices. If you are struggling with the speed of a s...

22 jours ago | 0

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Find element index of one array which is equal to the values from another array
A = [1,1,1,1,1,1,2,2,2,2,3,3,3,3,4,4,4,4,4]; B = [1,1,1,1,1,1,3,3,3,3]; u=unique(B); C=[]; for i=1:numel(u) C=[C find(A...

22 jours ago | 1

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What timestep does my ode15s solver use?
Assuming you call ode15s with [t,y]=ode15s... then you can just use diff(t) which will show you the difference between each of...

23 jours ago | 0

Solving a cubic function to get one numeric result?
You aren't going to solve this properly by getting an output of one numerical solution because a cubic equation does actually ha...

25 jours ago | 0

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How to find the position of an element in a vector without using the find function
Write a function posX=findPosition(x,y) where x is a vector and y is the number that you are searching for.

26 jours ago

How can I change the title of variables ?
Output=yhat; Unemployment=URhat; Consumption=chat; wage=what; You can always also use: clear vars yhat URhat chat what if ...

29 jours ago | 0

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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 ...

29 jours ago

Solved

Sums with Excluded Digits
Add all the integers from 1 to n in which the digit m does not appear. m will always be a single digit integer from 0 to 9. no...

29 jours ago

overly convoluted elseif condition
function y=gain(x) for jj=1:4 p(jj)=1-jj/128; end if x<=4 y=p(x); else y=1; end end I have assum...

29 jours ago | 0

Can I run the same Simulink model in different Matlab sessions at the same time? Or would they get mixed up?
I can't specifically answer for Simulink because I've never used it but standard Matlab scripts would be fine with this. I imagi...

29 jours ago | 0

I have an array for y-values and one for x-values, the x-values don't stat from 0, How to plot this?
Assuming that you want these x values to be the ones displayed on the x-axis then it's as simple as: plot(x,y)

29 jours ago | 0

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Making my function run for multiple input values
You could call the function inside a ‘for’ loop. That would enable you to feed in the different input values. For example: ...

30 jours ago | 1

Count how many numbers are above -1 in matrix
To find the locations of your values you can use idx = find(x>-1); And to get the values you can use val = x(idx);

30 jours ago | 0

Solved

Encode Roman Numerals
Create a function taking a non-negative integer as its parameter and returning a string containing the Roman Numeral representat...

30 jours ago

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Duplicates
Write a function that accepts a cell array of strings and returns another cell array of strings *with only the duplicates* retai...

30 jours ago

Solved

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

30 jours ago

Solved

Counting Sequence
Given a vector x, find the "counting sequence" y. A counting sequence is formed by "counting" the entries in a given sequence...

environ un mois ago

How can i generate 3 random points within a 2x2m grid?
I think you were on the right lines but you need to subtract one from your x and y: x=rand(1,3)*2-1; y=rand(1,3)*2-1; That'll...

environ un mois ago | 0

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Remove the polynomials that have positive real elements of their roots.
The characteristic equation for a dynamic system is a polynomial whose roots indicate its behavior. If any of the <http://www.ma...

environ un mois ago

Solved

Renaming a field in a structure array
MATLAB has a <http://www.mathworks.com/help/techdoc/ref/setfield.html setfield> and a <http://www.mathworks.com/help/techdoc/ref...

environ un mois ago

Solved

DNA N-Gram Distribution
Given a string s and a number n, find the most frequently occurring n-gram in the string, where the n-grams can begin at any poi...

environ un mois ago

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Pattern matching
Given a matrix, m-by-n, find all the rows that have the same "increase, decrease, or stay same" pattern going across the columns...

environ un mois ago

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It dseon't mettar waht oedrr the lrettes in a wrod are.
An internet meme from 2003 (read more <http://www.snopes.com/language/apocryph/cambridge.asp here>) asserted that readers are re...

environ un mois ago

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What is the next step in Conway's Life?
Given a matrix A that represents the state of <http://en.wikipedia.org/wiki/Conway's_Game_of_Life Conway's game of Life> at one ...

environ un mois ago

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Word Counting and Indexing
You are given a list of strings, each being a list of words divided by spaces. Break the strings into words, then return a maste...

environ un mois ago

Solved

Find state names that end with the letter A
Given a list of US states, remove all the states that end with the letter A. Example: Input s1 = 'Alabama Montana Nebras...

environ un mois ago

Solved

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...

environ un mois ago