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Md Muzakkir Quamar


Last seen: 3 mois il y a |  Actif depuis 2019

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Genetic algorithm for FOPID in simulink
cam anyone please help me tune the gai paramters of fractional order PID controller in simulink.

environ un an il y a | 1 réponse | 0

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réponse

Question


how to save data into same excel sheet after each iteration
HI i want to store data (matrix form, X_dim = 1200x49 and Y_dim = 1200x49) from my current MATLAB program into an excel sheet....

plus de 3 ans il y a | 1 réponse | 0

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Réponse apportée
How do you code this set of discrete difference equations using for loop?
you need to create an array for x(n), y(n), z(n) to store the values

plus de 3 ans il y a | 0

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can anyone please explain X0(1:2) where X0=[0,0,0]' , i wrote X0(2:2) and gave answer 0 i tht it shoudl give error . what i understand is X0(1:2) is 1 row 2 element. please correct me
can anyone please explain X0(1:2) where X0=[0,0,0]' , i wrote X0(2:2) and gave answer 0 i tht it shoudl give error . what i unde...

plus de 3 ans il y a | 2 réponses | 0

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optimization with multivariable and constraint
Hi, I have a similar problem. i want to minimize a function with multi variable and constraint. i used fmin function but i think...

plus de 3 ans il y a | 1 réponse | 0

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how to use Reinforcement learning toolbox
i am new to ML and i need to implement R-learning (qlearning ) in my project. i need to submit any basic example in my first p...

presque 4 ans il y a | 1 réponse | 0

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Réponse apportée
Differential equations using ODE45
tspan = [0 20]; Y_int=[0 1]; [t,x] = ode45(@odefcn,tspan,Y_int,[],a, b, c, u); figure(1) plot(t,y(:,1),'r',t,y(:,2),'b') ...

presque 4 ans il y a | 0

Question


Error in ODE45 when using ...................... >> [t,x] = ode45(@odefcn,tspan,[0 0]);
function dxdt = odefcn(t,x,a,b,c,u) dxdt = zeros(2,1); dxdt(1) = a*x(1)+2*x(2)+u; dxdt(2) = c*x(1)+ b*x(2)-2*u; end c...

presque 4 ans il y a | 2 réponses | 0

2

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Question


how to plot quadratic equation with 2 variable
f(x,y)= 1/2*x^2 + x*y + y^2 + y i tried plotting using Fimplicit function but i am getting some error. copied below _______...

presque 4 ans il y a | 2 réponses | 0

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Réponse apportée
How can i correct the error in the code?
n=100; lamda=0.1; e=randn(n,1); U12=[Sin(0.1*(1:n)') Sin((0.1+lamda)*(1:n)')] Y=(Sin(0.1*(1:n)')+e; R=U12'*U12; r=U12'*Y; ...

plus de 5 ans il y a | 0