Answered
Vectorization: incompatible sizes of arrays
n_p = 3; n_o = 3; P = rand(n_p,2); R = randi(n_p,n_p*n_o,1) IP = (cell2mat(arrayfun(@(i)vertcat(repmat(i,1,n_o)),1:n_p,'Unif...

7 dagar ago | 0

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Answered
how to remove error in the code?
And where is the fiunction "star4" ? Your call should be [t,C] = ode45(@star4, t, C0); % Solve the system according to the tim...

8 dagar ago | 0

Answered
How can I segment a matrix based on the difference between a column's elements of the matrix?
X=[ 8.3700 -53.3090 11.4000 -116.6670 13.0000 -117.8350 26.7000 -105.8580 36.4000 -121.5060 39.40...

8 dagar ago | 0

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Answered
Plot the Planck's Radiation curves Below
x-axis and y-axis for the two plots have very different scales. So there must be an error in your formulae if we compare it to t...

8 dagar ago | 0

Answered
Why is MatLab outputting 0s instead of the value?
E2 = (-1./(1+sec(x)))' instead of E2 = (-1/(1+sec(x)))'

8 dagar ago | 0

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Answered
Any comment to speed up the sum calculation of a function which includes legendre polynomials?
M = 1000; x = linspace(-1,1,M).'; y = x.'; for i = 1:11 Lpix(:,i) = legendreP(i,x); Lpjy(i,:) = legendreP(i,y); en...

8 dagar ago | 0

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Answered
matrix simultaneous equations returning 0s
Ax = 0; Ay = 0.25; Bx = 0; By = 3.25; Py = 30 + 3.5118*7; x=0.5:0.5:4; nx=length(x); y=-1:0.5:5; ny=length(y); xM=zeros(2...

9 dagar ago | 0

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Answered
how to store every value that i get from each iteration of for loop ?
k=1 f=2 t=rand(100); an = sin(2*pi*(2*k-1)*f*t)/(2*k-1);

9 dagar ago | 0

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Answered
How to find second intersection point?
x1 = 0:0.0001:1.5; f1 = 1./x1; f2 = sqrt(5./2 - (x1.^2)); Intersections = find(abs(f1-f2)<0.00005); xvalues=x1(Intersections...

9 dagar ago | 0

Answered
Heat transient equation not executing
The terms in your series do not agree with the formula you posted. You must decide which one is correct and which one is wrong...

9 dagar ago | 0

Answered
How to keep a specific value in binary matrix with column constraint?
@Maria Your last question was quite interesting - so I invested some time ... If A becomes larger, you will have to work with ...

9 dagar ago | 0

Answered
How to solve a large symbolic system of equations with boundary conditions
Don't solve symbolically, but numerically if you plan to work with so many equations. clearvars; clc %--- Cantidad de elemento...

10 dagar ago | 1

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Answered
Why are the output variables, that I expect to be real, complex?
%Constant parameters% a = 0.005; %sheet half thickness% eps0 = 8.9*10^-12; %vacuum dielectric constant% eps_2 = 80; %water ...

10 dagar ago | 0

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Answered
Euler method table problem.Why my fprintf(y(i+1)) only has the last ans, my y1-y(i+1) is incorrect and how to let the table be tidy?
h=0.002; x=0:h:1; y=zeros(size(x)); y(1)=0; n=numel(y); y1=exp(x)-x-1; for i=1:n-1 f = x(i)+y(i); y(i+1) = y(i) ...

10 dagar ago | 1

Answered
Parameter adjust for complex functions
fminsearch also works with functions, not only function handles. fun = @(f)FUN(f(1),f(2),f(3),f(4)); f10 = ...; f20 = ...; f...

10 dagar ago | 0

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Answered
Solving constrained differential equations
Solving the above system is only possible in the form M = [1 0 0 0 0; ... 0 m1 0 0 0; ... 0 0 1 0 0; ... 0 0 ...

10 dagar ago | 0

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Answered
Please how do I get rid of local variables may have been changed to match the globals error?
Can you take it from here for your case ? f = @(x,a) x.^2 + a.^2; x = -2:0.01:2; a = 0:0.1:1; array = zeros(numel(a),numel(x...

10 dagar ago | 0

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Answered
How do I add "internal" upper and lower bounds to the function lsqcurvefit?
The condition lambda_1 <= lambda_2 has to be set in A,b of the mimimizer "fmincon". "lsqcurvefit" is not suited in this case.

10 dagar ago | 0

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Answered
What is the pdf of Jakes' Model
You mean the equation of the pdf in the histogram ? theta = rand(1000000,1); v_max = 1.0; v = v_max*cos(theta); histogram(v,...

10 dagar ago | 0

Answered
lsqcurvefit with custom equation
The saturation concentration for your model is 9.35e-4. So you will never reach 5.6e-3 as in your data. Note that the infinite ...

10 dagar ago | 0

Answered
how to plot this equation
syms x y k f = y^3 + k^2*y^2 + k*y + 3; s = solve(f==0,y,'Maxdegree',3); s1 = sqrt(s); s2 = -sqrt(s); k = 0:0.1:10; s11 = ...

11 dagar ago | 0

Answered
How to convert this equation to a matlab code?
It's written as it stands: a = 0.5*[1-zeta.^2,2-zeta.^2,1-alpha,2-alpha,1-beta,2-beta]; b = [1]; c = 0.5*[0,1]; d = 0.5*[-ze...

11 dagar ago | 0

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Answered
Solving a system of equations symbolically
Better ? syms F0 R1 R2 d1 d2 d12 thta thta12 m1 m2 assume(thta12,'real') assume(thta, 'real') assume(thta~=0) eq1=((F0/R1...

11 dagar ago | 0

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Answered
Unable to integrate a function using integral and vpaintegral
syms x theta = 6.3*pi/180; f = (1+cosh(2*theta*x))/sinh(2*pi*x)*tanh((pi-theta)*x); vpaintegral(f,x,0,Inf)

11 dagar ago | 0

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Answered
Changing for loop to backslash
A = [6 -1 0 0 0; -3 3 0 0 0; 0 -1 9 0 0; 0 -1 -8 11 -2; -3 -1 0 0 4]; b = [10:10:100;repmat([0; 160; 0; 0],1,10)]; dA = decomp...

11 dagar ago | 0

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Answered
Fitting a hyperbola through a set of points
Remove the NaN value in the last position of data.P2 and data.I2: clear all; data=readtable("https://de.mathworks.com/matlabce...

12 dagar ago | 1

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Answered
How to segregate data according to its temperature value?
Use MATLAB's "discretize" for the temperature array and use the so received vector Y of bins to split the vector of water levels...

12 dagar ago | 0

Answered
Options for solving a system of non-linear equations
"fsolve" is the only MATLAB tool to be used for this purpose.

12 dagar ago | 0

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