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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 前 | 1

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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 前 | 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 前 | 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 前 | 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 前 | 0

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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 前 | 2

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

4 years 前 | 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 前 | 1

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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 前 | 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 前 | 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 前 | 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 前 | 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 前 | 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 前 | 0

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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 前 | 0

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

4 years 前 | 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 前 | 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 前 | 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 前 | 0

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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 前 | 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 前 | 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 前 | 0

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why is the c of scatter function scaled automatically?
figure() yyaxis left x = linspace(0,3*pi,200); y = cos(x) + rand(1,200); c = linspace(1,10,length(x)); scatter(x,y,[],c) c...

4 years 前 | 0

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Convolute ramp signal and step signal
x = 1:1:10 ; p = linspace(0.1,1,length(x)); u = ones(1 , length(x)); r = p.*u; y = conv(r,u,'same'); plot(x,y); Try us...

4 years 前 | 1

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hello i want to create a table by using the value i obtained from a for loop, how can i get it
x=5 y=30 I = 1 for z=[1 2 4 8] a(I)=x*y*z; xx(I) = x;yy(I) = y; I = I+1; end iwant = table(xx.',yy.',a.','VariableName...

4 years 前 | 0

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How to arrange with the graph
clc; clear; K_t=750; K_r=250; b=5; f_z=0.1; theta=0:360 ; for i = 1: length(theta) if (theta(i) >= 60 & theta(i...

4 years 前 | 0

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I can't find the error in this code. Please help with the dimension. Error in line 42
clc clear all close all %% Initial and Boundary conditions %% g = 9.81; J = 1.2./1000; h = 0.075; lambda = 0.075; u_st...

4 years 前 | 0

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For loop in for loop
k11=28.21; k21=-4.23; k12=-18.133; k22=2.59; k13=20.815; k23=-2.97; t=0:0.1:3; num_t=length(t); t4=0; t3=-0.3588; t2=...

4 years 前 | 0

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Operator '+' is not supported for operands of type struct
glucose1_5.date = [glucose1_5.date glucose1_5.time]; Try using the above when adding two different formats

4 years 前 | 0

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pmake engineering stress and strain diagram
F=[0;13345;26689;40479;42703;43592;44482;44927;45372;46276;47908;49035;50265;53213;56161]; L=[25;25.037;25.073;25.113;25.122;25...

4 years 前 | 0