Answered
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))

4 years ago | 0

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

4 years ago | 0

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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)=...

4 years ago | 1

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Answered
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...

4 years ago | 0

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Answered
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...

4 years ago | 0

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Answered
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);

4 years ago | 1

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Answered
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,...

4 years ago | 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(...

4 years ago | 0

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

4 years ago | 1

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

4 years ago | 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 ...

4 years ago | 0

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

4 years ago | 0

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Answered
creating folder in matlab
Read about mkdir

4 years ago | 0

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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 ...

4 years ago | 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 ...

4 years ago | 0

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Answered
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...

4 years ago | 0

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

4 years ago | 0

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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...

4 years ago | 0

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Answered
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)...

4 years ago | 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...

4 years ago | 0

Answered
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]

4 years ago | 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...

4 years ago | 0

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Answered
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

4 years ago | 0

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Answered
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);

4 years ago | 0

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Answered
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,...

4 years ago | 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= ...

4 years ago | 0

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Answered
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...

4 years ago | 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,:))

4 years ago | 0

Answered
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; ...

4 years ago | 1

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Answered
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...

4 years ago | 0