A résolu


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

plus de 6 ans il y a

A résolu


Read a column of numbers and interpolate missing data
Given an input cell array of strings s, pick out the second column and turn it into a row vector of data. Missing data will be i...

plus de 6 ans il y a

A résolu


Alphabetize by last name
Given a list of names in a cell array, sort the list by the last name. So if list = {'Barney Google','Snuffy Smith','Dagwood ...

plus de 6 ans il y a

Réponse apportée
Compare results of different step size using Euler's method
I have made a few tweaks to your code and it will now allow you to alter one parameter value (the time step size) and produce a ...

plus de 6 ans il y a | 0

| A accepté

Réponse apportée
finding the position of elements in a matrix if the elements are repeated
You could use pos = find(ismember(Z, M, 'rows') == 1); instead, although as I have commented above, I don’t think your ...

plus de 6 ans il y a | 0

Réponse apportée
position of values in a matrix
If I understand what you are asking then you could use: Z=[23 24; 35 2; 12 19; 24 23; 12 15; 26 17]; M=[35 2; 12 15]; pos = f...

plus de 6 ans il y a | 1

A résolu


Multiply a column by a row
* Given a column vector C and and a row vector R. * Output a matrix M. * Every column of M equals to C multiplied by correspon...

plus de 6 ans il y a

A résolu


Find common elements in matrix rows
Given a matrix, find all elements that exist in every row. For example, given A = 1 2 3 5 9 2 5 9 3 2 5 9 ...

plus de 6 ans il y a

Réponse apportée
trouble with loops need help
As in your previous question, you can use the following bit of code. I have also updated the error in my answer to your previous...

plus de 6 ans il y a | 0

Réponse apportée
assigning values to an array that already has values
Totally not an elegant answer but you could use something like: for i=1:numel(s) if(s(i)==1) s(i)==20; ...

plus de 6 ans il y a | 0

| A accepté

Réponse apportée
How to exclude some additional points from plot legend?
An alternative to the answer of Shubham Gupta if you already have the figure plotted and you want to keep all of the points but ...

plus de 6 ans il y a | 0

Réponse apportée
Time-dependent immunity and drug resistant SIR model
Assuming you have your BetaL and re functions setup correctly then there are the errors listed in the comment from Aquatris but ...

plus de 6 ans il y a | 0

| A accepté

Réponse apportée
Remove one data-value from data set?
It is quite difficult to help without knowing the format in which you have your data stored. But, assuming that you have an arra...

plus de 6 ans il y a | 0

Réponse apportée
remove occurrences of given characters in a string using find and []
If you absolutely have to use find then you could use function f=test(s,c) idx=find(s==c); s(idx)=[]; f=s; ...

plus de 6 ans il y a | 0

| A accepté

Réponse apportée
how can I count up the number from a specific interval?
Assuming you want the number of elements greater than 8 rather than the sum of the elements greater than 8 then you can simply u...

plus de 6 ans il y a | 0

Réponse apportée
Error Code Implicit Euler Method
The problem in the code itself is that in l(x+1)=l(x)-(((c*h)/3)*l(x+1))-16*m(x+1)*h; the l(x+1) term exceeds your matrix dime...

plus de 6 ans il y a | 2

| A accepté

Réponse apportée
How can I arrange the y-values in xyz-data in ascending order?
You can use sortrows(A, column) where A is your array and column is the column you wish to sort.

plus de 6 ans il y a | 1

| A accepté

A résolu


Plot Damped Sinusoid
Given two vectors |t| and |y|, make a plot containing a blue ( |b| ) dashed ( |--| ) line of |y| versus |t|. Mark the minimum...

plus de 6 ans il y a

A résolu


Verify Law of Large Numbers
If a large number of fair N-sided dice are rolled, the average of the simulated rolls is likely to be close to the mean of 1,2,....

plus de 6 ans il y a

A résolu


Crop an Image
A grayscale image is represented as a matrix in MATLAB. Each matrix element represents a pixel in the image. The element values ...

plus de 6 ans il y a

A résolu


Find the Best Hotels
Given three input variables: * |hotels| - a list of hotel names * |ratings| - their ratings in a city * |cutoff| - the rat...

plus de 6 ans il y a

A résolu


Calculate Inner Product
Given two input matrices, |x| and |y|, check if their inner dimensions match. * If they match, create an output variable |z|...

plus de 6 ans il y a

A résolu


Find MPG of Lightest Cars
The file |cars.mat| contains a table named |cars| with variables |Model|, |MPG|, |Horsepower|, |Weight|, and |Acceleration| for ...

plus de 6 ans il y a

A résolu


Rescale Scores
Each column (except last) of matrix |X| contains students' scores in a course assignment or a test. The last column has a weight...

plus de 6 ans il y a

A résolu


Calculate a Damped Sinusoid
The equation of a damped sinusoid can be written as |y = A.ⅇ^(-λt)*cos(2πft)| where |A|, |λ|, and |f| ...

plus de 6 ans il y a

A résolu


Solve a System of Linear Equations
*Example*: If a system of of linear equations in _x&#8321_ and _x&#8322_ is: 2 _x₁_ + _x₂_ = 2 _x&#83...

plus de 6 ans il y a

A résolu


Calculate BMI
Given a matrix |hw| (height and weight) with two columns, calculate BMI using these formulas: * 1 kilogram = 2.2 pounds * 1 ...

plus de 6 ans il y a

A résolu


Find the Oldest Person in a Room
Given two input vectors: * |name| - user last names * |age| - corresponding age of the person Return the name of the ol...

plus de 6 ans il y a

A résolu


Convert from Fahrenheit to Celsius
Given an input vector |F| containing temperature values in Fahrenheit, return an output vector |C| that contains the values in C...

plus de 6 ans il y a

A résolu


Calculate Amount of Cake Frosting
Given two input variables |r| and |h|, which stand for the radius and height of a cake, calculate the surface area of the cake y...

plus de 6 ans il y a

Charger plus