Bathala Teja
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Accept 5 answers given by other contributors
Awarded to Bathala Teja on 08 Sep 2021
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Frage
FFT analysis using powergui in simulink
I have done 3 set of ode calculation in matlab and got result of 3 waveforms. I used ode45 for calculation so the time step is ...
etwa 3 Jahre vor | 0 Antworten | 0
0
AntwortenFrage
Forming function handles in matrix
I want to form array of function handles first. After that i need to form 20*20 matrix by involving integration of these functi...
mehr als 3 Jahre vor | 0 Antworten | 0
0
AntwortenFrage
Replacing sym with function handle
I gave my script below. In order to get my result i used 'sym' function. But i want to implement without symbolic math toolbox,...
mehr als 3 Jahre vor | 1 Antwort | 0
1
AntwortFrage
forming a function handles in matrix
I want to form a set of function handles in a row matrix. i wrote script like below. w = 2; Nr = 20 nr = @(phi)zeros(1, Nr...
mehr als 3 Jahre vor | 1 Antwort | 0
1
AntwortFrage
issue in solving set of ode's
Here i gave my script with dummy R, G, L, g matrices(because of confidentiality). Here iam forming the matrices G, L and g int...
mehr als 3 Jahre vor | 0 Antworten | 0
0
AntwortenFrage
Issue with numerical integration of two variable function
I want to do integration of two variable function w.r.t one variable. A = @(x, y)cos(x)+sin(y) B = @(x, y)(A-integral(@(x)A, 0...
mehr als 3 Jahre vor | 3 Antworten | 0
3
AntwortenFrage
vpaintegral() not showing output
I want to integrate my two variable function w.r.t one variable. And i used vpaintegral() for that, But it is not showing expec...
mehr als 3 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Issue with int() function
I gave my script below. In that I am supposed to get Lrr in terms of theta but I am getting it in terms of values. How is this ...
mehr als 3 Jahre vor | 1 Antwort | 0
1
AntwortFrage
substituting function variable in function handle
i want to substitute y(5) in place of theta and poceed for the ode calculations. Here is my script syms theta A0 = cos(thet...
mehr als 3 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Implementing Runge kutta method in place of ode45
I want to solve set of 1st order odes, for that i used ode45 function. But with ode45, it is taking hours and hours of time to ...
mehr als 3 Jahre vor | 1 Antwort | 0
1
AntwortFrage
ODE45 is taking hours and hours to compute
I want to solve 27 odes, for that i formed equations with matrices. First i formed A(27*27 matrix), B(27*27 matrix) and C(25*25...
mehr als 3 Jahre vor | 2 Antworten | 0
2
AntwortenFrage
Unable to meet integration tolerances without reducing the step size below the smallest value allowed (1.776357e-15) at time t
My script consists of 4 ode eq's. Iam solving those using ode45 function. syms theta A = cos(theta).*[1 5 6 1 7; 5 0 2 9 3; ...
mehr als 3 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Arranging of variable submatrices into main matrix results in forming cos(conj(theta))
In my script, i formed matrices G_ss, G_sr, Grs, Grr(all are 3*3) in terms of theta. i am doing differentiation operation w.r.t...
mehr als 3 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Issue in plotting of output after function
Unable to plot output after function. I gave my script below syms theta A = cos(theta).*[1 5 6; 2 9 3; 5 1 0]; B = tan(2*the...
mehr als 3 Jahre vor | 1 Antwort | 0
1
AntwortFrage
How to call a variable matrix from one script to another script
I have two scripts. In first one i will get A and B matrices which are interms of theta as shown below. sym theta A = cos(thet...
mehr als 3 Jahre vor | 2 Antworten | 0
2
AntwortenFrage
How to form a function using 'for loop' without 'sym' command
i tried like this m = 150; Aos = 40; nAi = 0; for i=1:2:m nAi = @(phi)nAi+cos(i*phi); end nA = vpa((nAi+Aos), 4) Iam...
mehr als 3 Jahre vor | 2 Antworten | 0
2
AntwortenFrage
Compiling issue in doing integration of large function containing two variables
My script consists of two varible(theta and phi) functions. While doing integration w.r.t 'phi' it is not giving result, taking...
mehr als 3 Jahre vor | 1 Antwort | 0
1
AntwortFrage
How to use sym and function handle(@) in same code
I have a typical problem. I want to write a script which contains both syms and @() for initializing variables. First i used sy...
mehr als 3 Jahre vor | 2 Antworten | 0
2
AntwortenFrage
Solving system of ODE's contains complex equations
Iam forming system of 3 ODE's(dy1/dt, dy2/dt, dy3/dt) using matrices A, B and V. A and B matrices(both 3*3) are interms of some...
mehr als 3 Jahre vor | 1 Antwort | 0
1
AntwortHow to solve system of first order ODE's by forming matrix
Firstly iam very happy for your suggestion, thank you very much. First solution is fine. But i have some complexity in my mai...
mehr als 3 Jahre vor | 0
Frage
How to solve system of first order ODE's by forming matrix
Q: dy1/dt = 2*y1+5*y2+y3 dy2/dt = 7*y1+9*y2 dy3/dt = 4*y1+y2+3*y3 y1(0) = 0, y2(0)= 0, y3(0) = 0; i want to plot y1(t), y2...
mehr als 3 Jahre vor | 2 Antworten | 0
2
Antworten
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