Community Profile # Lev Mihailov

##### Last seen: 1 month ago
103 total contributions since 2019

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Question

Find out how long after division will be an integer?
Hello! Is it possible to know when the condition will be met, what has been divided and the result is an integer? A=[1:100]; f...

2 months ago | 2 answers | 0

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Question

Hello! I have a matrix, in each column I need to add several elements (rows) of different lengths to the end of the column X=ra...

2 months ago | 0 answers | 0

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Question

averaging the matrix and creating an averaged matrix
Hello! I need to simultaneously average a section of the matrix, and I don't quite understand how to do it? Expl=rand(265,1010)...

2 months ago | 1 answer | 0

### 1

Question

Extract vector from math file
Hello! I saved the file in mat format, but it is very large, can I highlight a specific part? load('C:/ABCdepobv.mat');

2 months ago | 2 answers | 0

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Question

Help set up averaging
Hello! I cannot figure out the averaging function B=rand(200,3000); bp=maen(B,5) % need to average 5 values ​​in each column ...

2 months ago | 1 answer | 0

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Question

Is it possible to make a loop to run another loop?
Hello! I have a large matrix that I need to work with. Now I select a separate vector and work with it in a loop Xvector=Xmatri...

2 months ago | 0 answers | 0

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Question

make a vector from one value
hello! I have values ​​0.421, I need to make a vector of 1200 values ​​of the same from it without a loop % I need to do withou...

2 months ago | 1 answer | 0

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Question

cycle for integrating vector sections
Hello! I have a vector that I need to integrate over the sections, the length of the section is 3 % now I use such a loop, bu...

2 months ago | 1 answer | 0

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Question

Matrix integral over layers
Hello! I have a matrix in it the number of steps per time. Is it possible to integrate each column of the matrix layer by layer ...

2 months ago | 1 answer | 0

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Question

slider for march chart
Hello! Help adjust the slider for the chart of the marshout (path) of the machine function SliderValueChanged(app, event) ...

4 months ago | 1 answer | 0

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Question

App Designer button click again
Hello! Do I need the first click of the button to delete the chart and all its contents, and the second click to return everythi...

4 months ago | 1 answer | 0

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Question

App Designer Edit Numeric how to express test
I need to create a graph in App Designer, but the graph is too large and I need to shorten it, I try to do this using Edit Numer...

4 months ago | 1 answer | 0

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Question

Hello! I have m file for reading ape format files and working with it. Can i make a function like this % ReadingApe m-file nam...

6 months ago | 1 answer | 0

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Question

start a while loop on working with a file in gui
Help me please! I need to make a loop that will read information from the file function pushbutton1_Callback(hObject, eventdata...

6 months ago | 0 answers | 0

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Question

Create graphics with different sizes?
Hello! I have a problem, I need to create a graph on the X scale, the size is 1x116 along the Y axis, size is 1x1289. How can I ...

7 months ago | 0 answers | 0

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Question

where to save the function file to work?
Hello! I downloaded the function file that I need, but it doesn’t work for me Undefined function or variable 'xyz2grid'. I dow...

7 months ago | 1 answer | 0

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Question

calculation of coordinates of the sum of values ​​greater than 5
there is a vector of large length, here is a small part of it F1 = [2.5 2.5 3.5 1 1 5.2 11.4 4 4 5.2 2 2 6] I need to get the co...

7 months ago | 1 answer | 0

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Question

Search for an element in an array in reverse order
for i=1:length(X) x=find(Matrix(X(i):1,i)<100,1,'first')'; % X100(i)=x; end Unable to perform assignment because the lef...

8 months ago | 1 answer | 0

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Question

increase value in vector
X=[102 103 116 145 108] % iwant=[102 205 321 466 574] % what i need to get % 102+103=205 ; 205+116=321 ; for i=1:length(n)-1...

8 months ago | 1 answer | 0

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Question

average vector over selected areas
I have two vectors, one working, the second sections that I need to average in vector 1 A = randi([5 10],1,548); B= [102 105...

8 months ago | 1 answer | 0

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Question

Vector averaging with mean command
Hello! I don’t quite understand how to use this command, I need to average a 1x533 vector Averaging1=mean(X,10); Averaging2=me...

8 months ago | 2 answers | 0

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Question

how to take a certain number of characters:
Hello! I have the number 9928900200, I need to do 992890,0200, how can I get this?

8 months ago | 1 answer | 0

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Question

how to write values ​​to a vector and matrix by coordinates?
Hello! With the 'find' command, I found the coordinates of all elements greater than 1, now I need to write them to the matrix a...

8 months ago | 1 answer | 0

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Question

draw a label in the scatter graph
Hello! I have a scatter graph scatter( x, y, [] , z, 's', 'filled') % I have x and y coordinates where should the label be, h...

8 months ago | 1 answer | 0

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Question

the loop does not display results
Hello! There is a matrix and I need to find the first value less than 90 clear all close all X=[ 80 90 100 110 100 95 90 20 ...

8 months ago | 1 answer | 0

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Question

loop to work with the column
Hello! There is a loop, I need to know automatically how many values ​​after the point X=[1 2 3 4 5 6 90 70 60 50 6 5 4 3 2 ...

8 months ago | 1 answer | 0

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Question

Using imagesc and scatter together
Hello! I need to impoverish these two teams and there must be 2 colorbar, how do I do this ??? x=[1:150] y=[1:150] z=rand(1,1...

8 months ago | 1 answer | 0

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Question

Problems exporting from matlab to exel
AV = {'1 nord', '2 ott','3 teta(double)' , '4 gama ','5 val(single)', '6 teta2( uint16 ) '}; AVt=rand(10000, 6) AVtNord=[AV;A...

10 months ago | 1 answer | 0

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Question

signature of values ​​when exporting to excel?
I export a 2x3 matrix to Excel, but I need to sign the values filename = 'L:\DataABC\ABS.xlsx'; A=[2 3] ABC(:,1) = A'; B=[...

10 months ago | 1 answer | 0

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Question

all values ​​on the surf chart
I create a graph of surf (X, Y, Z, C), when I click on the graph, I will get X, Y, Z. Is there any way to get C to display ?

10 months ago | 1 answer | 0