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Thayumanavan


Active since 2013

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symbolic solve not giving solution
clc; syms Iqs Ids Vqr Vdr Idr Iqr wr Eqp Edp syms x4 x5 x6 x7 Vd Td VL Tl Pgen Qgen Ia Ib Eq1=(13229684*Vdr)/35...

9 years ago | 0 answers | 0

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symbolic solving Is there any limitations for maximum unknown for solve command
clc; clear all; format long; Xm=3.5092; Xr=3.5859; Lm=Xm; Lrr=Xr; Rr=0.0088; Rs=0.01015; Xs=3.5547; ...

9 years ago | 0 answers | 0

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Question


symbolic equation solving a a Unknown variable
Te=0.528104000000000;wr=0.955; Pmpu=Te*wr; Pmactual=Pmpu*5*1000000; Beta=0.0; gb=121.2; speedact=wr*1500; omegarm=(2*p...

9 years ago | 0 answers | 0

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Trim command to get equlibrium point of SIMILINK model
I Have a 11 set of differential equations implemented in SIMLINK using intergrator blocks.I want the steady state equlibrium ...

9 years ago | 0 answers | 0

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Two simulation outputs in single scope in simulink
Hi, I have a SIMULINK Model.I am using a timer block to change values at some time instants:For example between 15 t0 15.1 i...

10 years ago | 1 answer | 0

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Question


Error in jacobian formed in matcont
Hi I have formed a system in matcont ,but when i run the continuation i am getting the the difference order must be a positive...

10 years ago | 0 answers | 0

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How to handle symbolic object in If loop to avoid 'ge' is not implemented for MuPAD symbolic objects."error
syms x4 x6 x8 Lm=1; Ls=2; Pref=1.0; Isd=-(x6/Ls)+((Lm/Ls)*x8); Pmeas=x4*Isd % if (Pmeas>=Pref) Kp=300; %...

10 years ago | 0 answers | 0

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plotting marker at partcular index
I have set of eigen values in array format 19 column 8 eigen values real and imaginary part along with 1 parameter.6000*19 array...

10 years ago | 1 answer | 0

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Operands to the || and && operators must be convertible to logical scalar values.
%Code x=[1.01 ;2.23; 3.456 ;4.11; 5.897 ;6.234; 7.456; 8.567; 9.110; 10.333]; a=0; if((x>=5.2)&&(x<=8.50)) di...

10 years ago | 4 answers | 0

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CAT arguments dimensions are not consistent while using eval command of symbolic jacobian
syms x1 x2 %The Diffenrential Equation f1= (x1)+(x2*x2);%x1dot Equation f2=x1-x2...

10 years ago | 1 answer | 0

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eigen values for all sol of ode45 ouput after finding the jacobian using symbolic syms command
Hello everyone, I am having a system with 2 differentail equations .I am using ode45 to get x ie i have t and x as column vec...

10 years ago | 0 answers | 1

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Question


ode 45 plot of intermediate vraibles of differential equations
clear all clc; Tspan =[0 1]; X0=[1.0; 1]; % Initial condition %solving the differential Equation [t,x]=ode45(...

10 years ago | 1 answer | 0

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compute eigen values of a matrix with symbolic variable
%The code is : syms A ; matrix = [A, (2*A)-1; 4*A, 2*A]; A = 1.0; matrix subs(matrix, A...

10 years ago | 1 answer | 0

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Eigen values of Power system Simulink Model
I have created a Power system model in Simulink .I need to do Stability study for which i am in need to calculate THE EIGEN VA...

10 years ago | 1 answer | 0

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Question


How to plot the intermediat varaible Te,VPCC from a function called by ODE45 solver
clear all clc; % Time Tspan =[0 10]; X0=[0.7; 1.0151; 157 ]; options=odeset('RelTol',1e-3,'AbsTol',1e-6); %solving the di...

10 years ago | 0 answers | 0

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How to plot intermediate variables of a function used by ode45 solver:
Sir, I want to plot the intermediate variables say Te from a function that was used by ode45 solver .But i am not getting the ...

10 years ago | 2 answers | 0

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Question


How to plot intermediate variables of a function used by ode45 solver
Sir, I am calling ode45 for integrating a diff equation say x'=(1/(H))*(2x) Main Program: x0=0.1; final_time=1; [t,x]=ode...

10 years ago | 2 answers | 1

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