Answered
storing function outputs from a nested for loop
maxDisp_x=cell(Nrt,lhsN,NGM); for scenario=1:Nsnro for i=1:Nrt ....... for j=1:lhsN ......

3 meses ago | 0

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Answered
find t and Use a graphical method to locate the initial estimate
syms t ; v = 4.8626; w = 4.4721; x=0.17; f = x - t*v*exp(-w*t)==0 ; s = double(solve(f)) ;

3 meses ago | 0

Answered
Bug in matrix indexing?
USe this: test = 1.0e+03 *[1.1506 -0.0094 -0.0043 -0.0012 -0.0001 -0.0007 0.0003 0.0004 -0.0082 0.0...

3 meses ago | 0

Answered
Difference and probability in plot
thedifference=-5:1:5 ; N = length(thedifference) ; probability=zeros(N,1) ; for i = 1:N thediff = thedifference(i) ;...

3 meses ago | 0

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Answered
A statement under "for" gets skipped during the last loop
YOu are changing the loop index ii inside the if...else statements.......that is now allowed... function coded = caesar (v,s) ...

3 meses ago | 0

Answered
I want to load multiple text files into variable cell array
files = dir('*.txt') ; N = length(files) ; iwant = cell(N,1) ; for i = 1:N filename = files(i).name ; startRow ...

3 meses ago | 1

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Answered
How can we make a rhombus in the middle?
Play with the points in R....you give the vertices of vertices..you will get it. fr=zeros(512,512); % Rhombus points R = ...

3 meses ago | 0

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Answered
linear interpolation without meshgrid
Read this: https://in.mathworks.com/help/matlab/ref/scatteredinterpolant.html

3 meses ago | 0

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Answered
How can I put two noises in an image?
How about imshow((tp+k)/2)

3 meses ago | 0

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Answered
How can I place a quiver plot on top of a triangular surface (trisurf) plot?
USe 2D plot: patch('faces',tri(:,2:4),'vertices',[Xp' Yp'],'facevertexcdata',z','facecolor','interp','edgecolor','none') ; ...

3 meses ago | 1

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Answered
how to get variable value in plot automatically
x = 0:10 ; figure hold on for i = 1:3 y = i*x ; plot(x,y) end legend OR x = 0:10 ; figure hold on for i =...

3 meses ago | 0

Answered
How can I compare a set of variables?
x1= 1; x2= 3; x3= 4; x4= 3; x5= 3; x6= 1; x7=2; x = [x1 x2 x3 x4 x5 x6 x7] ; [c,ia,ib] = unique(x) ; iwant = cell(le...

3 meses ago | 0

Answered
location of logical matrix
Read about ismember idx = round(rand(10,2)) ; vec = [1 1] ; [c,ia] = ismember(idx,vec,'rows') ; iwant = find(c) ; idx(...

3 meses ago | 0

Answered
comparing two data sets and extract specific data from one of them
YOu can make your blue lines a closed polygon.......and use inpolygon to get the points lying inside and on the blue lines. Read...

3 meses ago | 0

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Answered
symbolic derivative with respect to time
syms x(t) f = sin(x(t)) diff(f,t)

3 meses ago | 1

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Answered
How to change non zero value into 0?
If A is your matrix. To get non-zero indices use: idx = A>0 ; To replace them to zero use: A(idx) = 0 ;

3 meses ago | 0

Answered
can we use Xlswrite in symbolic variables?
syms x_1 y_1 A_sym = sym(zeros(2,2)); A_sym(1,1) = x_1; A_sym(2,1) = x_1 * y_1 ; A_sym(2,2) = y_1; sym_cell = arrayfun...

3 meses ago | 1

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Answered
make the image to smallest 8*8 blocks
Refer here: https://in.mathworks.com/matlabcentral/answers/362262-i-have-a-32-32-matrix-i-want-to-take-mean-of-each-4-4-so-tha...

3 meses ago | 0

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Answered
How to create multiple .dat files using matlab?
for i = 1:10 filename = strcat(num2str(i),'.dat') end

3 meses ago | 0

Answered
How to find avergae of thresholded elements only from a matrix?
Let A be your matrix......say you want values below a threshold val. idx = A<val ; themean = mean(A(idx)) ;

3 meses ago | 2

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Answered
How can I interpolate with a Matrix and a Vector to another vector?
YOu see, you cannot use Enthalpy as you have used, because it is not a valid meshgrid. Reather, you can treat the data as scatte...

3 meses ago | 0

Answered
Surface plots inside loop
YOu can follow a samll demo code given here: [X,Y,Z] = peaks(100) ; surf(X,Y,Z) %% Make surface discontinuous for demo id...

3 meses ago | 0

Answered
find slope sign change of emg signal
If (t,x) is your time and signal. dt = diff(t) ; dx = diff(x) ; slope = dx./dt ; slope_sign = sign(slop) ;

3 meses ago | 0

Answered
maximum value of matrix
[val,idx] = max(A(:)) ; A(idx,:)

3 meses ago | 0

Answered
Find datetime in a vector
Use ismember Or idx = knnsearch(datenum(t_ref),datenum(t1)) ; t_ref(idx) t1 Or dt = abs((datenum(t_ref)-datenum(t1))) ;...

3 meses ago | 0

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Answered
convert block cell to image
Let I be your 8*8 cell block .. iwant = cell2mat(I) ;

3 meses ago | 0

Answered
Moving a Polygon on a Polygon
pgon = polyshape([440 0 0 440], [0 0 5.1 5.1]); path = [1:5:100 100:-5:1] ; for i = path pgon2 = polyshape([18 0 0 18]+i...

3 meses ago | 1

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Answered
How do I solve backslash issue in this case?
Replace this line: filename = strcat(selpath,imageFolder(i).name); with: filename = fullfile(selpath,imageFolder(i).name); I...

3 meses ago | 2

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Answered
"Warning: Name is nonexistent or not a directory: " Error Message if I enter the path of a file I want to import
thepath = '' ; % copy your path here in quotations filename = '' ; % give your file name in quotations with extension the...

3 meses ago | 0

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Answered
Finding location of minimum in 3d array
It is asked multiple times..you may search in the forum. For EXample: https://in.mathworks.com/matlabcentral/answers/52341-min...

3 meses ago | 0

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