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# Md Muzakkir Quamar

Last seen: plus d'un an ago Active since 2019

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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 d'un an ago | 1 answer | 0

### 1

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 d'un an 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...

plus d'un an ago | 2 answers | 0

### 2

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...

plus d'un an ago | 1 answer | 0

### 1

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...

plus d'un an ago | 0 answers | 0

### 0

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') ...

plus d'un an 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...

plus d'un an ago | 2 answers | 0

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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 _______...

plus d'un an ago | 2 answers | 0