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JESUS DAVID ARIZA ROYETH


Last seen: 4 days ago
269 total contributions since 2015

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Answered
Checking invertiblity of a symbolic matrix (small size N=12)
remember that a matrix has an inverse if and only if its determinant is different from 0, therefore you must calculate for which...

6 months ago | 0

Answered
Writing a frame to a video error
you need to rearrange some things: clear all;clc; filename1='x_recall_safeaudio_shockvideo.csv'; filename2='y_recall_safeau...

6 months ago | 0

| accepted

Answered
How do I get specific rows from a matrices where a<= x<= b
newmatrix=data1(and(and(data1(:,1)<=10,data1(:,2)<=150),data1(:,2)>=75),:)

6 months ago | 0

| accepted

Answered
Add value in a matrix
ZORD=sortrows(Z',4)'; [~,~,C]=unique(ZORD(end,:)); ZFIN=[ZORD; C']

11 months ago | 1

| accepted

Answered
how to know if a char vector contains unwanted characters?
y=["5","6","10"];%y example condition=all(ismember(y,x))

11 months ago | 0

Answered
How to eliminate duplicate rows in an array without changing their orders?
D=unique(DOM,'rows','stable')

11 months ago | 1

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Answered
Convert Matlab CNN to c# to be used in .net desktop app.
yes you can Generate a .NET Assembly and Build a .NET Application with Matlab Compiler you can use the exportONNXNetwork funct...

11 months ago | 0

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Answered
How to extract some rows from a matrix and put them in another matrix?
setdiff(Q,N,'rows')

11 months ago | 0

Answered
Deleting a row y from a matrix
A(all(A==y,2),:)=[] edit previous versions: A(all(A==repmat(y,size(A,1),1),2),:)=[]

11 months ago | 0

Answered
Filtrar datos cada n pasos en el tiempo de una matriz
matrizoriginal=0:0.0001:49 ; nuevamatriz=matrizoriginal(1:1000:end)

11 months ago | 0

Answered
buenas alguien sabe como puedo poner en una formula numeros aleatorios normalmente distribuidos?
mira la documentación : https://la.mathworks.com/help/matlab/ref/randn.html números aleatorios normalmente distribuidos : n=...

11 months ago | 0

Answered
Alguien me puede ayudar excel y matlab
para el que le sirva aquí está la documentación oficial para plotear funciones de transferencia y las respuestas del sistema : h...

11 months ago | 0

Answered
Sum of integers up to n using a while loop
try it yourself with a for (see documentation) https://www.mathworks.com/help/matlab/ref/for.html You can be guided by this ex...

11 months ago | 1

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Answered
Octave--compare two matrix
M=A(ismember(A,B,"rows"),:)

11 months ago | 0

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Answered
Why sometimes we place an empty brackets inside function inputs?
means that the second value the function receives is empty, in both cases if you give a value to that second parameter to "min"...

11 months ago | 0

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Answered
how to fix this upper directory link?
File_W = fullfile(app.Path, '..', 'MyFolder', [fileName, '_myFormat_.xlsx']); writetable(T1, File_W); a=dir(File_W); namefold...

11 months ago | 0

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Answered
Datetime problem of converting string
hh is uppercase D=datetime('2019/09/05 19:02:11', 'InputFormat','yyyy/MM/dd HH:mm:ss')

11 months ago | 0

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Answered
question on indexing: How to extract rows from a matrix that crossponds to certain values in another vector?
FF=unique(Ro(ranks==3,:),'rows')

11 months ago | 0

Answered
Error : Subscript indices must either be real positive integers or logicals.
you missed a "*" here : 2*g1*(2*..... and many "." ./ g1 = 1.4; R1 = 287; T = 283.15; g4 = 1.667; R2 = 2077; a1 = sqr...

11 months ago | 0

Answered
How to find the position of a row in an array
rows=find(all(R==S,2))

11 months ago | 0

Answered
Matrix Input Layer for Deep Neural Networks
The wonderful thing about Matlab is that almost everything is seen as matrices or vectors, in fact this is not a disadvantage bu...

11 months ago | 0

Solved


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.

11 months ago

Solved


Magic is simple (for beginners)
Determine for a magic square of order n, the magic sum m. For example m=15 for a magic square of order 3.

11 months ago

Solved


Make a random, non-repeating vector.
This is a basic MATLAB operation. It is for instructional purposes. --- If you want to get a random permutation of integer...

11 months ago

Solved


Roll the Dice!
*Description* Return two random integers between 1 and 6, inclusive, to simulate rolling 2 dice. *Example* [x1,x2] =...

11 months ago

Solved


Number of 1s in a binary string
Find the number of 1s in the given binary string. Example. If the input string is '1100101', the output is 4. If the input stri...

11 months ago

Solved


Return the first and last character of a string
Return the first and last character of a string, concatenated together. If there is only one character in the string, the functi...

11 months ago

Solved


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...

11 months ago

Solved


Getting the indices from a vector
This is a basic MATLAB operation. It is for instructional purposes. --- You may already know how to <http://www.mathworks....

11 months ago

Solved


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...

11 months ago

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