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Last seen: Today 2011 以来アクティブ

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Split a vector into 2 vector before and after a value is found
a=[0.1,0.2,0.3,0.4,0.5,0.6,0.7,0.8] ; val = 0.5 ; idx = find(a==val) ; a1 = a(1:idx-1) a2 = a(idx:end)

33分 前 | 0

How to add two different vectors?
x = 0:1:10000; y = 2*x; z = linspace(0.1,1,length(x)); % make z same size as x, so use linspace x_n = x + z; y_n = 2*...

What is wrong in my coding?
clc; clear all ; %%Q1a clear;clc; % Get the span of the beam along with positions of supports l = input('Enter the span ...

How to concatenate selected data of two .mat files
Let A, B be your tables. C = A ; C.last = B.(10) ; % instead of last you give your required name

Coin toss simulation test
n = 1000 ; % number of tosses H = 0 ; % initialize Head count T = 0 ; % initialize Tails count % loop of toss for i ...

data of corresponding column
idx = columnA > 600 ; iwant = sum(columnB(idx)) ;

How to sort and save the sorted table in app designer?
idx = randperm(10)' ; x = rand(10,1) ; T = table(idx,x) [val,idx] = sort(T.(1)) ; T = T(idx,:)

Animation using multiple frames/figures in for loop
frame = 20; % Load density data n = load([Dir '/ne' num2str(frame) '.txt']); %this is my total denisty % Load X and Y data ...

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Calculate the velocity for each time increment using displacement and time using a for loop?

replace values in a matrix by their histogram bin numbers
[N,E,bins] = histcounts(A) ;

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Where does matrix B fits best in Matrix A
A = 5*ones(8) ; A(4:6,4:6) = [3 4 2; 1 1 1; 2 3 3] ; B = ones(3) ; [m,n] = size(A) ; count = 0 ; v = zeros(3,3,[]) ; R...

1日 前 | 0

graph with 2 axes
https://in.mathworks.com/help/matlab/creating_plots/graph-with-multiple-x-axes-and-y-axes.html

1日 前 | 0

Heat plot in Matlab
doc heatmap https://in.mathworks.com/help/matlab/ref/heatmap.html

1日 前 | 0

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How does I extract data from netcdf on given lat lon?
You have multiple ways to do it. Load all the data into work space using ncread. And use slice. Read about slice function. F...

1日 前 | 0

Y data on the bar plot
n = 5 ; x = (1:n) ; y = randi(n,n,1) ; bar(x,y) hold on text(x,y+0.1,num2str(y)) ylim([0 6])

1日 前 | 0

Creating a transparent closed 3D surface plot from (x,y,z) scatter data points
d1=load('Scatter_data_x_y_z.txt'); shp = alphaShape(d1) ; plot(shp)

1日 前 | 0

Histogram fraction of total observations and fraction per unit width
You can get the wanted information from histogram. Example: x = randn(1,100) ; % random data for demo h = histogram(x) % ...

1日 前 | 1

Index in position 2 exceeds array bounds. Index must not exceed 27.
Error is clear and simple. You are trying to extract more number of elements than present in the array. A = rand(1,27) ; A(1)...

1日 前 | 0

Fix NaN error when n>300
If you have symbolic toolbox use vpa. REad about it. n=701; numerator=vpa(1); for i=n:-2:2 numerator=numerator*i; en...

1日 前 | 0

Elementwise indexing of a vector by a multidimentional array
n = 10 ; A = randi(n,2,2,10) ; B = rand(1,n) ; iwant = B(A)

2日 前 | 0

For loop overriding pervious data
If all the files have same dimensions, better save them into a matrix and then write into a file. filenames={'file1.mat,file2....

2日 前 | 1

For loop overriding pervious data
filenames={'file1.mat,file2.mat,file3.mat'} for i = 1:nume1(filenames) load(filenames{i}) THC1= THC_sim_cum ; [f...

2日 前 | 1

add new row to table with missing values
V.name = "Ann"; V.city = "Berlin"; V.age = 24; V.height = 172; T1 = struct2table(V); V2.name = "Luka"; V2.city = "Toky...

2日 前 | 0

I have an array of 6,76,000 as txt file, how can I convert that into 52x13x1000.
iwant = reshape(a,1000,13,52);

2日 前 | 1

How to obtain the value of the matrix X in equation AXA' = B?
For the give dimensions and given equation it cannot be solved. But for given dimensions the following equation can be solved. ...

2日 前 | 1

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Arguments of Reshape function with example
A = [1 2; 3 4; 5 6] ; % this is a 3*2 matrix reshape(A, [1,6]) reshape(A, [1 6]) % Both the above commands are same....

2日 前 | 0

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Rdata converting to mat file

2日 前 | 1

How do I use the find function to track every last point that is black, so as to create a matrix of that border between white a black image. See Below
I = imread(myimage) ; I1 = imbinarize(rgb2gray(I)) ; [y,x] = find(I1) ; idx = boundary(I1) ; plot(x(idx),y(idx)) You can a...

2日 前 | 0

Concatenate elements of cell arrays vertically
A = {[8 9 0 0 1 0 1 0; 5 3 0 0 1 1 1 1]; [2 4 0 0 0 0 1 0; 3 9 0 1 0 0 0 1]; [6 2 1 1 1 0 1 1; 9 7 1 1 0 0 0 0]}; iwa...

3日 前 | 0

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