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Using a for loop to subplot graph parabolas?
figure x=-5:.1:5; a=[1.50000000000000,2,-2,2,0.500000000000000,-2,-1,1.50000000000000,2.50000000000000,2.50000000000000,-1.500...

4 years ago | 0

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How can I show a graph from the function?
G=[x(2);(-c*x(2)-k*x(1)+F0*cos(omega*t)/J]; % seems you have used // erroneously end it is a division operator unlike a c...

4 years ago | 0

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expected value of matrix
alpha = [0.0994 0.3661 -0.2125 0.2839] alpha.' E = alpha.*alpha.' Exp = mean(E) % expected value Use me...

4 years ago | 0

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Issue with Fourier Series Stair Step Function
n_count = 400; t_count = [0:1:24]; y_count = Fourier_Function(n_count, t_count); figure; plot(t_count, abs(y_count),'-.');...

4 years ago | 0

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How can I get values in table?
k=0.0001:1:10; U=1;a=1;Zeta=0.1; alpha1=real(sqrt(Zeta.^2./2+Zeta.*sqrt(Zeta.^2-4.*k.^2)./2)); alpha2=real(sqrt(Zeta.^2./2-Ze...

4 years ago | 1

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Coding in m-file, for a func defined in an interval [x0, xn] like Fi(x)(=(c1(i)+c2(i)*sin(w1*(x-x(i)))+c3(i)*cos(w2*(x-x(i)))+c4(i)*sin(w2*(x-x(i)))+c5(i)*cos(w1*(x-x(i))))?
% define c1, c2, c2, c4, c5 and W1, W2 etc c1 =1; c2 = 1.5; c3 = 4; c4 = 4.75; c5 =5; w1 = 2.3; w2 = 5; n = 100 ; x0 =...

4 years ago | 0

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How to plot a function dependent on no. of iterations, provided it plots till nth iteration where n is the number where the function is converged?
n= 10; e = 0; for m=1:n pu(m)=(-1)^m/((2*m)+1)*(exp(-((2*m)+1))) e = e+pu(m); if (abs(pu(m))/e)>(10^(-6)) %converg...

4 years ago | 0

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Code-m file for Sampling
clear all close all % Creating modulating signal fm=2; % message signal frequency (Hz) n=50; % factor of sampling frequenc...

4 years ago | 0

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How do I obtain the amplitude of a PSD in dBm/kHz?
psdn = [-45.3953261464647;-46.3405836328469;-47.2863894168202;-48.2323917870060;-49.1782390282922;-50.1235796989143;-51.06806290...

4 years ago | 1

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Answered
trying to use heun's method to solve an ode
a = 0; b = 10; n = 100; h = (b-a)/n; % T = a:h:b; F0 = 0; w = 0; m = 4; k = 10; c = 0.2; y0 = 4; h=(b-a)/n; ...

4 years ago | 0

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Code not working?
clear; clc; % Given data E_f = 228000; % Elastic modulus of the fiber E_m = 1325; % Elastic modulus of the matrix G_f = 15...

4 years ago | 1

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I have written the code for three differential equations for plotting the graph . I am not able to get the graph .
clc; clear all; close all; F = @(Z,X,Y) (1.07*Z*Z-Z*Z*Z-0.17*Z-(0.36*Z*X)-(0.0001*sqrt(Z*Y))/(1+0.2*sqrt(Z))) A = @(X,Y,Z)...

4 years ago | 0

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Ode45 not working in matlab 2021b
zdot=inline('[z(2);-0.2*z(2)-sin(z(1))]','t','z') Check your zdot function. There is no variable with _t_ defined in it...

4 years ago | 0

Answered
How can I remove some specific lines from this contour plot
Easy way is that you can select "Edit" option from the figure window after plotting and click on figure properties. Then click o...

4 years ago | 2

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TASK 5 PROBLEM SIMULINK ONRAMP
Set the initial condition source to external and try

4 years ago | 0

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How Do I Properly Format my Bar Graph?
x = [379.5 , 1138.3 , 1897.2 , 2656]; % your values y = rand(size(x)); bar(x, y) xlabel('Number in the Thousands (ie 4,000)'...

4 years ago | 1

Answered
why do I keep getting this error message
t = 0:1/320:0.5; x = @(t) 6*cos(4*pi*t)+2*sin(16*pi*t) -4*sin(32*pi*t);% define anonymous function x(t) plot(x(t))

4 years ago | 0

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Hi COMM, How can I hold only one plot while updating the rest in a figure ? E.g. I want to keep (x,f) plot fixed , while keeping the current value for the animated plot
for k=1:length(x) plot(x(1:k),f(1:k),'or') axis([SSmin SSmax 0 30]) pause(2) end Check with this

4 years ago | 0

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How ro divide a scalar by a excel data and plot the result?
X= 51./data(:,4); Use the element wise division operator

4 years ago | 0

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How can ı solve invalid indexing or function
clc; clear all; syms nw W x Q(x) Y Qo ode1=diff(Q,x)== -nw*W*Y; cond1 = Q(0)== 0; cozum1(x)=dsolve(ode1,cond1); cozum1=s...

4 years ago | 0

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Need a help to design a block.
If there is no standard block for flow rate in (Smmulink or Simscape)library, then you can define 2 variables as signals. One fo...

4 years ago | 0

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Matlab code - can anyone guide me how to sort this kind of error, I am new to MATLAB and trying to create an interface for a audio listening experiment
function varargout = TEST(varargin) % TEST MATLAB code for TEST.fig % TEST, by itself, creates a new TEST or raises the e...

4 years ago | 0

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Answered
How to plot subset of X-axis names on bar plot?
plotNamesD = plotNames(1:kId);% use the for loop index plotDataD = plotData(1:kId); bar(plotNamesD,plotDataD); hold ...

4 years ago | 0

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reading and interpreting statistical chart
<https://in.mathworks.com/help/matlab/ref/pie.html> Check this link

4 years ago | 0

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Plotting a Piecewise Function
syms x z(x) y=piecewise(x<0,0, x>0,1); z(x)=(1+(x-1).*exp(-x)).*y; fplot(z,[-3 3]) Best wishes

4 years ago | 0

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data is getting plot on 4 different graphs while I would like to see all the data on one graph!
figure(1) If you use loop index for figure, then it will plot as many figures as number of files

4 years ago | 0

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Incrementing a loop for the next set of values
poweredbypv=(zeros(size(8760,24))); for j = 1: length(poweredbypv) for i=1:24 if Egenpv(i) > Eelectrolyzer poweredbypv(j,i...

4 years ago | 0

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Answered
How can I plot f(x,y)= x(1-x)*y in matlab
f = @(x,y) x.*(1-x).*y; Y = f(linspace(0,1,50),linspace(0,10,50)); plot(Y) You can use this as another way to plot your funct...

4 years ago | 0

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Plotting a Continuous Spectrum
Try changing the values for T ,time period from 0.2 to 1. You can notice the difference whether it's continuous or appears as di...

4 years ago | 1

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Trapezoidal numerical integration without use of function?
a=0; b=1; f=@(x)x.*sin(x); n=100; x=linspace(a,b,n+1); h=(b-a)/n; qt=sum(h*(f(x(1:n))+f(x(2:n+1)))/2) You did not use the...

4 years ago | 0