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Md Muzakkir Quamar


Last seen: 2 months ago |  Active since 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.

1 year ago | 1 answer | 0

1

answer

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....

4 years ago | 1 answer | 0

1

answer

Answered
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

4 years ago | 0

Question


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...

4 years ago | 2 answers | 0

2

answers

Question


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...

4 years ago | 1 answer | 0

1

answer

Question


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...

4 years ago | 0 answers | 0

0

answers

Answered
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') ...

4 years ago | 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...

4 years ago | 2 answers | 0

2

answers

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 _______...

4 years ago | 2 answers | 0

2

answers

Answered
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; ...

6 years ago | 0