Answered
How to find the y from given x on fit line?
Yes very much it is possible. Read about interp1. Also have a look on polyfit and polyval.

23 dagar ago | 0

Answered
Area plot matlab colors
figure hold on area(array1,'EdgeColor','none','FaceColor','r'); area(array2,'EdgeColor','none','FaceColor','b'); area(arra...

23 dagar ago | 0

Answered
For loop get an error of "size of the right side is 0-by-1"
peak = B for i = 1:length(B) c = A(B(i,1):C(1,1)) ; if ~isempty(c) peak(i,1) = max(c); end end

24 dagar ago | 0

| accepted

Answered
I want to plot selected data from rows and columns
T = readtable('https://in.mathworks.com/matlabcentral/answers/uploaded_files/1186758/SN_m_tot_V2.0.txt') ; scatter3(T.(1),T.(2)...

26 dagar ago | 0

Answered
how to import data from csv and plot?
T=readtable('https://in.mathworks.com/matlabcentral/answers/uploaded_files/1186578/baseline.csv'); X=T.(1); Y=T.(2); plot(Y)

27 dagar ago | 1

Answered
I am trying to open multiple folders which have about 500 files under them and then use function vtkread to read the files in those folders. I am not sure how to set that up.
thepath = ' '; % give your path thedirs = dir(thepath) ; thedirs(1:2) = [] ; % remove . and .. Z = cell([],1) ; % initaal...

27 dagar ago | 0

| accepted

Answered
How can i plot the projection of 3d on 2d?
X=1:1:100; Y=1:1:100; Z=1:1:100; figure hold on scatter3(X,Y,Z,[],Z,'filled') scatter(X,Y,[],Z,'filled') view(3)

27 dagar ago | 0

Answered
How do I replace -1.0000e+30 with NaN?
Let T be your array. tol = -10^10 ; % fix this to satisfied value T(T<tol) = NaN ;

27 dagar ago | 0

| accepted

Answered
Replacing part of an array with another
A = rand(4) ; B = rand(4) ; n = size(A,1); A(1:(n+1):end) = diag(B) ; % repalce diagonal elements of A with diagonal elemen...

27 dagar ago | 1

| accepted

Answered
Getting following error while making Contourf plot [ Error using contourf Z must be at least a 2x2 matrix]
T = readtable('https://in.mathworks.com/matlabcentral/answers/uploaded_files/1185378/Book1.xlsx') ; x = T.(1) ; y = T.(2) ; z...

27 dagar ago | 0

| accepted

Answered
Plotting simple functions bounded by inequalities
m=-0.08; j=linspace(min(Ts_),max(Ts_),100); alpha_variable = m*j ; alpha_variable(j<-10) = 0.7 ; alpha_variable(j>10) = 0....

28 dagar ago | 0

Answered
Plotting complementary error function with 2 variables
T0 = 100; T1 = 70; c = 1; x = linspace(-1,1) ; % define your range t = linspace(0,10) ; % define your range [x,t] = m...

29 dagar ago | 0

Answered
Somebody help me for my exercise please.
This is how you have to proceed. U=200; %velocity gamma=1000; %circulation Q=14; ...

29 dagar ago | 0

| accepted

Answered
Finding the gradient and the hessian of the same function
Read about gradient, hessian.

29 dagar ago | 0

| accepted

Answered
How can I get the 3 minimum values of this plot?
REad about min. You have saved rmse of train, validatioon and testing. Use the function min and get the index. I would say check...

29 dagar ago | 0

| accepted

Answered
DIFFERENCE BETWEEN SIGNALS AND PARAMETERS
Signals would be t vs amplitude plots. Parameters are charactersitics of signals such as amplitude, frequency, phase etc.

29 dagar ago | 0

| accepted

Answered
a 3d plot but in a specific range
You pick your x,y to the given range. x = linspace(0,1) ; y = linspace(2,3) ; [X,Y] = meshgrid(x,y); psi_19 = (2*X) + Y ...

29 dagar ago | 0

| accepted

Answered
Image processing code debugging
This line: P = regionprops(Iin, 'Perimeter'); Check the class of P class(P) It seems it is a structure and you can use it in...

29 dagar ago | 0

| accepted

Answered
How to use interpolation?
Let lon,lat,U be your 2D data, and x,y,u be your buoy data. Ui = interp2(lon,lat,U,x,y) ; If your data is #d (I hope it is),...

29 dagar ago | 0

Answered
How to replace the zero with NaN in the specific column of cell arrays?
Let A be your m*3 array. A(A(:,2)==0,2)=NaN ; % repalce second column with NaN's A(A(:,3)==0,3)=NaN ; % replace third column ...

ungefär en månad ago | 1

Answered
Find x and y cordinates and t for z=0
Let x,y,z,t be yout required arrays. GEt the index of z where it is z = 0. Using this index, you can get what you want. tol = ...

ungefär en månad ago | 0

Answered
how do i plot this?
x=linspace(-2,6) ; f=(2*x./x.^2+1)-(x./sqrt(3*x+6)); %<--- element by element division plot(x,f)

ungefär en månad ago | 1

Answered
How to crop the image within certain limits?
Read about imfreehand, Freehand. If you know thoese certain values. Use contour to get the closed region of the required region...

ungefär en månad ago | 1

Answered
Inverse of a matrix in MATLAB and Python
You are to trying to fid the inverse of a singular matrix. A singular matrix is the one which doesn't have inverse. So different...

ungefär en månad ago | 1

Answered
How to write code for moments matrix?
https://in.mathworks.com/matlabcentral/answers/71678-how-to-write-matlab-code-for-moments https://in.mathworks.com/help/stats/...

ungefär en månad ago | 1

Answered
Problem reading double array from excel
REad about readtable

ungefär en månad ago | 1

Answered
Same code in a loop but different plots
area also supports linestyle, none. load('sample.mat') thr = [0.0057 0.0401 0.0090 0.0216]; t = (0:length(sample)-1)/2000;...

ungefär en månad ago | 1

Answered
Extracting text from a video
v = VideoReader('Large_Patron_Trim\Large_Patron_Trim.mp4'); N = v.NumFrames ; % Total number of rames ROI = [1008 215 50 3...

ungefär en månad ago | 1

Answered
BAR GRAPH plot - grouped legend
Refer this: https://in.mathworks.com/matlabcentral/answers/1670649-bar-plot-with-a-hatched-fill-pattern?s_tid=srchtitle https...

ungefär en månad ago | 1

Load more