Answered
How to combine multiple curve fits in one plot
Use hold on after plotting the first figure

meer dan een jaar ago | 0

Answered
How to represent [airfoil] coordinates as a polynomial
How about using a spline fit? After loading your data and calling the first column x and the second column y try xfit = linspa...

meer dan een jaar ago | 0

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1D melting problem with Neumann's analytical solution
eps is a built-in constant so better not to use it as a variable. Your png files show it is xi not epsilon. Try the following ...

meer dan een jaar ago | 0

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Answered
Overlay plots of different angles of incidence.
Remove the word figure and add hold on after the plot grid on [Fr,In] = meshgrid(Frequency,Incident); plot3(Fr,In,Reflectivit...

meer dan een jaar ago | 0

Answered
How can write in MATLAB the following expression?
Try ket0 = [1; 0; 0] ket1 = [0; 1; 0]

meer dan een jaar ago | 0

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Answered
I don't understand why does it give error?
Put the functions at the end. Tidy up one or two minor errors to get: %########### BF-PSO.m file ############# %####### Butter...

meer dan een jaar ago | 0

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How to count steps represented by the acceleration data given in text file?
Like this (you can plot the other two - look up help on subplot): M = csvread('walking.txt'); x = M(:,1); y = M(:,2); z = M(:,...

meer dan een jaar ago | 0

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Answered
Bisection method add iteration table into my code
Something like this? my_fun = @(x) exp(x) - 3*x; low = 0; high = 1; tolerance = .00001; [x, x0] = bisection(my_fun, low, hi...

bijna 2 jaar ago | 0

Answered
I'm trying to solve this code for internal ballistic using ode45.This is my first time using ode
This works (note that Matlab doesn't accept implied multiplication), but doesn't look sensible - what about deriv(2)? y_initial...

bijna 2 jaar ago | 0

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Answered
Error with brackets symsum
Do you mean something more like this? N = 100; % Total number of particles one = 1; alpha = 1; K = 7; % 7 states n0 = 4*o...

bijna 2 jaar ago | 0

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How to plot the figure in LT?
Use the mod function help mod

bijna 2 jaar ago | 0

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How to deal with rounding error in this example?
How about i = 1:20001; A = -2000 + (i-1)*0.2;

bijna 2 jaar ago | 1

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Get back variables out of function inside a for loop
Here's one way J = [2.5 27 56]; WZ = [12.2 23.2 33]; M1 = 22; I1 = 2600; for ii = 1:numel(WZ) slope(ii) = (J(ii)-M1)...

bijna 2 jaar ago | 1

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Answered
Plot dispersion curves using Bloch theorem
Like this? OmegaR = 1; mR = 0.125; Omega = 0:0.01:2.5; mu = acos(1 - Omega.^2.*(1+mR./(1-Omega.^2/OmegaR^2))/2); plot(i...

bijna 2 jaar ago | 0

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Answered
how to do sensitivity analysis of three variables using MATLAB
Depends what your measure of sensitivity is. One possibility is to do a Monte-Carlo simulation and use the standard error on th...

bijna 2 jaar ago | 0

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Answered
MATLAB doesn't plot my function
Try fplot(test1)

bijna 2 jaar ago | 0

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Answered
I am trying to plot the each value of C at different theta values, but I found an error. Error: Invalid expression. When calling a function or indexing a variable, use parenth
Do you want something more along the following lines? c=[0.5,0.75,1,1.1]; theta=-pi:0.01:pi; %a=zeros(1,629); for k=1:numel(...

bijna 2 jaar ago | 0

Answered
Trying to make euler's method program work
Like this: % Arbitrary values here - insert your own x0 = 0; x_end = 10; h = 0.1; y0 = 1; n = fix((x_end-x0)/h)+1; ...

bijna 2 jaar ago | 0

Answered
Getting inaccurate eigenvalue with eig command. Please suggest me some other command or small series of steps to find accurate eigen value for Generalized Eigenvalue Problem.
Like this: A =[ -11.0913 0 0 0 0 0 0 0 0 0 0 ...

bijna 2 jaar ago | 0

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Answered
Why does integration of an exponential function generate noisy results as opposed to its analytical solution?
You have a singularity when t = x(ii). Here's a rough and ready way to do the numerical integral (hmm! not sure the result is c...

bijna 2 jaar ago | 0

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Answered
Index exceeds the number of array elements. Index must not exceed 1
What are yoy trying to do with x_iEm(i) - h*x_iEm(i) == x_past + h*2*y; when i = 2, there is, as yet, no value assigned to x_...

bijna 2 jaar ago | 1

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Answered
Inconsistent results from "int" function
You can express '(y*(2*x + y)^2)/192 as (x*y*(x + y))/48+y^3/198 As far as the integral is concerned y is a constant, so the t...

bijna 2 jaar ago | 2

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Answered
Boole's Approximation
You are using Boole from -1 to 1, but the "exact" from 0 to pi. (You should plot G against x to see why your "exact" integral w...

bijna 2 jaar ago | 1

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I'm trying to solve a system of differential equations using Euler's method, but I don't know what the problem is with my code. If you can correct me the problem
Don't confuse the number 1 with lower case l a= 0; b= 2; delta_x =0.5; y1(1) = 4; y2(1) = 6; n= (b-a)/delta_x + 1 ; x(1)...

bijna 2 jaar ago | 0

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Answered
How to vertically concatenate a 2x1 table output in a loop, to form a 2x(i) table of outputs.
Try help stack

bijna 2 jaar ago | 0

Answered
How to add one sgtitle per row of suplots
Try subplot(2,3,1) scatter(62,VWE3a_diff,50,'MarkerEdgeColor','[0 0 0]','MarkerFaceColor','[0 0.5 1]','Marker','o') title('DM...

bijna 2 jaar ago | 0

Answered
How to add one sgtitle per row of suplots
Here's a quick and dirty way: x = 0:0.01:2*pi; for i=1:6 y = sin(x+i*pi/4); subplot(2,3,i) plot(x,y) ...

bijna 2 jaar ago | 1

Answered
How do you solve a System of 11 Non-Linear Equations Inter-linked to one another?
Here's a possible logic (though I seem to find negative values for U): U1 = 500; U2 = 500; % Initial guesses U0 = [U1 U2]; ...

bijna 2 jaar ago | 0

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Answered
Title in maths symbol and title as legend on each plot on different locations.
More like this? %% Set up the data (just enough to need a large legend and to show variety) t = linspace(0, 1, 11); x = linsp...

bijna 2 jaar ago | 0

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Answered
How to show Kinetic energy,potential energy at given ditance
Do you mean something like this: Tf=20; theta=60; height=5000; angle = 45; g=9.81; velocity=(g*Tf)/(2*sind(theta)); figur...

bijna 2 jaar ago | 0