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Find minimum in matrice
Let A be your matrix. A(A==0) = NaN ; % replace 0's with NaNs [val,idx] = min(A) Or, use: val = min(A(A>0))

fast 4 Jahre vor | 0

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I want the plot the bar graph touching the y axis
Read about xlim, axis

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i am getting error in the plot function it says array indices must be +ve int or logical value
t= 0:0.1:5; nt = length(t) ; v1 = zeros(size(t)) ; v2 = zeros(size(t)) ; v3 = zeros(size(t)) ; v1(1)=2; v2(1)=4; v3(1)=...

fast 4 Jahre vor | 1

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Why the following code is not generating plot for W?
I remember you asking the similiar question earlier. What have you learned from the previous question? You are keep on asking sa...

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I need output this statement
a1=1:10 % generate numbers between 1 and 10 with increment of 1 a2 = 75:-1:50 ; % generate numbers between 75 and 50 with diff...

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Colour depending on the radius of a cylinder.
Try: pxI = pxS(:,:,i); pyI = pyS(:,:,i); R = sqrt(pxI.^2+pyI.^2) ; surf(pxI,pyI,pz,R);

fast 4 Jahre vor | 1

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Assigning values from one array to string values of another array
ideanumber = ["idea1", "idea2","idea3", "idea4","idea5", "idea6","idea7", "idea8", "idea9"] ; scorevector = [5.7065, 3.2885,...

fast 4 Jahre vor | 0

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How to compose more than 2images in a folder ?
imgFiles = dir('*jpg') ; N = length(imgFiles) ; I1 = imread(imgFiles(1).name) ; I2 = imread(imgFiles(2).name) ; If = imfuse(...

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how to increment an exponential in a diagonal
A = exp(-1./(1:19)) ; iwant = diag(A)

fast 4 Jahre vor | 1

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For loop to save all the files
Thanks is accepting the answer.. :)

fast 4 Jahre vor | 0

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Calculate difference between two columns but skip if column has NaN
You simply subtract the two columns....if any of the column has NaN, your difference will be NaN. A = [NaN 24 ...

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double surface using scatteredInterpolant
T = readtable('https://in.mathworks.com/matlabcentral/answers/uploaded_files/1065115/zoccolo.txt') ; zoccolo = table2array(T) ;...

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creating folder in matlab
Read about mkdir

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For loop to save all the files
for i = 1:10 plot(rand(1,10)) figName = ['plot_',num2str(i),'.png'] ; % you can give path, your desired string here ...

fast 4 Jahre vor | 1

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Getting error while trying to access the data of the following plot.
You are plotting the data using fplot. This will give you the function, which you have used to plot when you try to extract the ...

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Evaluating and plotting a kernel function
% Evaluating kernal functions, kernal 2 Fs = 33600 ; n = 1:1:Fs; a = floor(n-(Fs/2)); c = (1200*pi)/Fs; % c is greek le...

fast 4 Jahre vor | 0

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To find n number of histcounts in a loop
z = cell2mat(N) ; Or z = [N{:}] ;

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I want to give a condition to the values of the x vector , i tried to dosomething but i didnt have teh results i wanted. helpp please
w = 0.1; h = 0.1; L = 8.0; E = 210.0E9; F = 3000.0; a = L/4; x = linspace(0,8,100) ; I = (w*h^3)/12;%Calculate variable I...

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Dimensions of arrays being concatenated are not consistent.
This line: TimeM = [AA(:,1) BB(:,1) CC(:,1) DD(:,1)] ; will throw error. Note that BB, CC and DD are of size 20x2 and AA(:,1)...

fast 4 Jahre vor | 0

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Division of numbers and arrange??
% With loop A=[2 8 14 20 22 26 32 38 44 45] Divisible=[] ; NotDivisible=[] for index=1:length(A) b=A(index) ; if...

fast 4 Jahre vor | 0

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How can i input this on MATLAB?
b = [3, 7, -4]' ; u1=[1, 2, 3]; u2 =[2, 3, 7]; u3 =[3, 5, 6] ; A = [u1' u2' u3'] ; x = A\b ; % check [A*x b]

fast 4 Jahre vor | 0

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I want to use contourf function to plot 2d velocity data
Let u,v be your velcity matrices. w = sqrt(u.^2+v.^2) ; figure(1) pcolor(x,y,w) ; % if throws error, transpose w colorbar...

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How to put different seed in a multidimensional matrix
n = 10; k = 3 ; R = zeros(n,k,n) ; for i = 1:n rng(i) % i can be a positive integer R(:,:,i) = rand(n,k) ; end

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To find histogram of two variables
x = rand(1000,1); y = rand(1500,1); [N{1},edges{1}] = histcounts(x); [N{2},edges{2}] = histcounts(y);

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can you please give me the answers
a)Also, create an empty vector called prime_numbers Read about initializng the arrays. Hint: zeros, ones b)In the while loop,...

fast 4 Jahre vor | 0

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Matlab Plot can't work.
clc clear clc f = @(x,y,z) 1/y*(y+z); %where k = 1 for y'' g = @(x,y,z) z ; %for y' h = 0.1; x= 0; z= 1; y= ...

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How can I extract data from the following Matlab figure, there are multiple lines.
Already you have them in xdata and ydata. They are cell arrays, you can access them by: xdata{1} xdata{2} ydata{1} ydata{2...

fast 4 Jahre vor | 1

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i have an image in double form , i want to read this image of(2918 ,49687,2) dimension rows and columbs like first row ,all colum one by one,
iwant = squeeze(image(row,col,:))

fast 4 Jahre vor | 0

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Error using plot Data
clear clc %%INPUT / DATA %a = input('Value of a:') %b = input('Value of b:') %c = input('Value of c:') a=1; b=1; c=1; ...

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How to convert images folder to .mat
thepath = 'C:\Users\hp\Desktop\testing\abood' ; imgFiles = dir([thepath,'\*jpg']) ; % give your image extension N = length(im...

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