Answered
Plot the graph using non linear equation
It seems that you are solve equations of h for different parameters theta. You can solve the equation one by one. Don't add sp...

16 days ago | 0

| accepted

Answered
Runga-Kutta Method for system of first order differential equations
Looks like you need to choose a much smaller step size for the problem. %% Initialization tspan = 100; h = 0.125/50; fact = ...

16 days ago | 0

Answered
Extract data above threshold from groups
load('xydata.mat') edges = (min(pp):20:max(pp)); [N, edges, bin] = histcounts(pp, edges); figure gscatter(pp,cc,bin) ...

16 days ago | 0

| accepted

Answered
subplot with for loop after 10 new figure
for i=1:100 % any number if rem(i-1, 10) == 0 figure; end sgtitle('WSPL zeitlicher Verlauf Modell D Te...

17 days ago | 0

| accepted

Answered
How to check if my array is square with if and else loops?
A = [1 -2 1; 0 2 -8; -4 5 9] if ndims(A)==2 && (size(A,1)==size(A,2)) disp("A is Square") end

17 days ago | 0

| accepted

Answered
Showing legend even if data is not there
a=(1:1:9)'; a=reshape(a,3,[]); b=sin(a); c=cos(a); scatter(a,b,'.','DisplayName', 'sin') hold on scatter(a,c,'.','Displa...

17 days ago | 0

| accepted

Answered
Cell in table data type conversion
a = (1:3)'; b = {'yes', 'no', 'yes'}'; t = table(a,b) t.b = categorical(t.b)=='yes'

17 days ago | 0

| accepted

Answered
How can I create a new matrix which stores the diagonals, but it first starts with a matrix full of zeros?
% start with zero matrix n=3; a = zeros(3) % random entries along diagonal a(1:n+1:n*n) = randi(100, [n 1]) % alternative...

17 days ago | 0

| accepted

Answered
Which is my mistake?
N = 60; n = 0:N-1; b = [0.18 0.1 0.3 0.1 0.18]; a = [1 -1.15 1.5 -0.7 0.25]; %d = delta(n(19n), 0 , n(end)); d = zeros(size...

23 days ago | 0

| accepted

Answered
How can I display text on pcolor map like in the image below?
L = membrane(1, 100); s=pcolor(L); s.EdgeColor='none'; set(gca, 'YDir', 'reverse') xl = xlim; yl = ylim; n = 1; xy =[]; ...

23 days ago | 0

| accepted

Answered
How to change the values of the corners in a matrix
a= zeros(10, 10); % smaller matrix for easy display % for corners a([1 end], [1 end]) = 1; a

23 days ago | 0

| accepted

Answered
Why does my code slow down around the 20th iteration?
The recursive function is the culprit of the speed. Simply replace them with mean and var. A_set = []; n=1; while 1==1 %eval...

23 days ago | 0

| accepted

Answered
Plotting with bisection method
Bisection method tries to find solution in a given interval. Generally, you don't know how many roots a non-linear equation has...

24 days ago | 0

| accepted

Answered
Name table columns with variable index
tab = readtable('https://www.mathworks.com/matlabcentral/answers/uploaded_files/980210/MATWORKS.csv'); head(tab) varnames = ta...

24 days ago | 0

| accepted

Answered
How to save results in a file without overwritting previous results????
Use append option when you save the data to files. [You can also use low-level fopen with option 'a+' for appending] % create ...

24 days ago | 0

Answered
Output argument's name same as input argument's
Functionally, they are same. However, some differences may exist: The obvious one is the program style (using input as output ...

24 days ago | 0

Answered
How to output a cell array using fprintf?
% cell array a = {'# To Select', 'Names', 'Barcodes', 'Prices'; 1, 'ABC', 1234, 4.5} fprintf("%s\n", formattedDisplayText(a))

25 days ago | 0

| accepted

Answered
showing empty plot in nexttile or subplot
a = "r"; b="g"; c="b"; d="m"; x{1}=[0.1 0.2 0.3 0.6 0.24 0.67]; y{1}=[2 1 4 7 4 5]; t{1}=[a b a c d b] x{2} = []; y{2} ...

25 days ago | 0

| accepted

Answered
Can writetable delimit strings using single-quotes?
You may not change the quote string with writetable directly. However, you can add a single quote to your string before writing...

25 days ago | 0

| accepted

Answered
When i run the code, i dont see any plot, and i'm not sure why?
syms x; increment = 0.0; m=0.5+increment; %Units are in SI Pr=0.718; %Prandtl number rho=1.204...

25 days ago | 0

Answered
automatically scale display range to eliminate outliers
y = randn(50, 50); y (20, 20) = 1e8; % outlier subplot(121) imagesc(y); % outlier removed colorbar subplot(122) imagesc...

25 days ago | 1

| accepted

Answered
Edit legend description and make a dot in on of the character
Try to modify the following: % generate some data data = (1:10)' + randi([3 20], [1 4]); plot(data) legend(["1 $s=u$" "2 $s=...

25 days ago | 0

Answered
plotting nonlinear equation along real and imaginary axis
Try the following: Re-arrange the equation so that it is polynomial of complex variable z with coefficients being function of r...

25 days ago | 0

| accepted

Answered
sum of dirac delta function
syms x t y(x) = dirac(x-1); for i=4:3:200 y(x) = y(x) + dirac(x-i); end z = y(x)* exp(-4*(t-x)); y z

26 days ago | 0

Answered
how to divide the Dataset into xtrain xtest ytrain ytest
% doc cvpartition data = randn(2310, 25); %cv = cvpartition(2310, 'Holdout', 0.3); %idxTrain = training(cv); %idxTest = te...

26 days ago | 1

Answered
need to skip iterations in a for loop
L=zeros(1024,1024); % for n=(2:1022:3) % L(1024,n)=1 % end % Set the last row (first end), column 2 to last column wi...

26 days ago | 1

| accepted

Answered
How to calculate the width that contains 60% of the total area of peaks?
load position load Intensity whos plot(x2, Int); hold on % find the max [maxI, idx] = max(Int); maxX = x2(idx) n = length...

26 days ago | 0

| accepted

Answered
I need help with plotting
syms t Zc=300; R=100; s=100; v=300/(1*10^-6) tpulssi=s/v k=-1000/tpulssi p=(R-Zc)/(R+Zc) s2=25 tpr=s2/v %heijastuva t...

27 days ago | 1

| accepted

Answered
Assigning same color for same value at different plots
x{1}=[0.1 0.4 0.6 0.8]; y{1}=[0.2 0.3 0.7 0.9]; name{1}=["A" "B" "C" "A"]; x{2}=[0.1 0.2 0.4 0.6 0.5 0.8]; y{2}=[0.2 0.5 ...

27 days ago | 0

| accepted

Answered
How do I plot a graph for ϴ for a given range of independent variables?
Assume that r, theta, phi are 3d spherical coordinates. theta is elevation and phi is azimuth. The following is the code to pl...

29 days ago | 0

| accepted