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safi58


Last seen: 9 mois il y a Actif depuis 2016

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why if elseif statement is not working
Hi, I have this following code and attached data. only if statement is working but not the rest. can any please help? clc c...

environ 3 ans il y a | 2 réponses | 0

2

réponses

Question


How to get symmetrical phasor using Symmetrical-Components Transform block?
Hi, I can see I can get Va symmetrical components using simulink symmetrical component transfer block. how can I get remaining ...

plus de 3 ans il y a | 1 réponse | 0

0

réponse

Question


GA Optimization terminated without converging
Hi, I am using GA toolbox for an optimization problem. but it is showing following message even before converging.. "Optimizat...

plus de 3 ans il y a | 1 réponse | 0

1

réponse

Question


Optimize two objective functions using fmincon
I have two objective functions which would optimize same variables. I have done the optimization individually and they are worki...

plus de 7 ans il y a | 1 réponse | 1

1

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Question


numerical solution of equations
% clc clear all L_r=2.4e-6; L_m=11e-6; C_r=1.3e-6; R_L=533.33; f_s=95e+3; n=0.067; V_in=20; R_ac=n^2*R_L*8/pi^2; f...

plus de 7 ans il y a | 1 réponse | 0

1

réponse

Question


How to find symbolic solution for theta1?
clc clear all syms m_c_theta1 m_c0 M theta1 j_L0 j_L_theta1 l j_Lm_gama syms m_c_theta2 theta2 j_L_theta2 m_c_gama k1...

plus de 7 ans il y a | 1 réponse | 0

1

réponse

Question


error message in solving symbolic equation???
syms m_c0 j_L0 theta1 M m_c_gama j_L_gama j_L_theta1 m_c_theta2 _L_theta2 syms m_c_theta1 gama l theta2 k1 eqn1=m_c_th...

plus de 7 ans il y a | 1 réponse | 0

1

réponse

Question


How to find the expression for theta1?
theta1=2*atan((2*tan(theta2/2)*tan(gama/2 - theta2/2) + (4*tan(theta2/2)^2 - 4*M^2*tan(theta2/2)^2 - 4*M^2*tan(gama/2 - ...

plus de 7 ans il y a | 2 réponses | 0

2

réponses

Question


How to Simplify an symbolic expression
Hi all, I want to simplify this equation a= 2 atan((-2+Sqrt(4-gama^2 *l^2* M^2-4* gama *l* M^2 *tan(gama/2)+4* tan(gama/...

plus de 7 ans il y a | 2 réponses | 0

2

réponses

Question


How to add symbolic variables like alpha, theta in Figure axis?
Hi all, How to add symbolic variables like alpha, theta in Figure axis? Can anyone help?

plus de 7 ans il y a | 1 réponse | 0

1

réponse

Question


why am I getting imaginary values?
Hi all, I have tried this one but I am not quite sure why I am getting imaginary values? The values should be approximately j_L0...

plus de 7 ans il y a | 1 réponse | 0

1

réponse

Question


Fundamental component of waveforms
<</matlabcentral/answers/uploaded_files/70512/waveform.jpg>> Hi all, I need to find the fundamentals of these two waveform...

plus de 7 ans il y a | 1 réponse | 0

0

réponse

Question


numerical solution of equation
syms m_c_theta1 m_c0 M theta1 j_L0 j_L_theta1 l syms m_c_gama k1 gama j_L_gama j_L_theta1=1.5; theta1=120; k1=0.423;...

presque 8 ans il y a | 2 réponses | 0

2

réponses

Question


Error in solving equation
syms m_c0 j_L0 theta1 M m_c_gama j_L_gama j_L_theta1 m_c_theta2 _L_theta2 syms m_c_theta1 gama l theta2 k1 eqn1=m_c_...

presque 8 ans il y a | 1 réponse | 0

0

réponse

Question


How to solve equation
m_c_theta1=(m_c0-1/M-1)*cos(theta1)+j_L0*sin(theta1)+1/M+1; j_L_theta1=(-m_c0+1/M+1)*sin(theta1)+j_L0*cos(theta1); m_c_g...

presque 8 ans il y a | 1 réponse | 0

1

réponse

Question


Phase shifted Full bridge converter
Hi , I want to develop a phase shifted Full bridge simulink model in open loop control where I can change the phase manually....

presque 8 ans il y a | 2 réponses | 0

2

réponses

Question


how to plot a surface in MATLAB?
lamda=0.218; rl=2.2; N=20 [fi, fn] = meshgrid(linspace(10,180,N),linspace(1,2,N)); gamma=pi./fn; x=1-cosd(fi);...

presque 8 ans il y a | 1 réponse | 0

1

réponse

Question


How to do Surf plot
Q=0.25; L=5; a=1-cos(2*pi*D1/fn); x=(pi*D1)/(fn*L)*sin(2*pi*D1/fn); y=cos(2*pi*D1/fn)*((4*Q/pi*fn)+((pi^2*D1/f...

presque 8 ans il y a | 1 réponse | 0

1

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Question


sample the waveform with nsample points for fft
mc0 = -0.5; jlr0 = -0.8; M = 0.99; alpharange = 6.5; %// degrees alpharange2 = 180; %// degrees mcalpha = (mc0 - (1 / M) ...

presque 8 ans il y a | 1 réponse | 0

0

réponse

Question


How to plot two equation consequetively
Hi, I have written this code and need to plot jlralph and jlrgamma in a continuous way from 0 to alpharange and alpharange to a...

presque 8 ans il y a | 1 réponse | 0

1

réponse

Réponse apportée
How to use Fsolve with multiple variables
Hi Walter, after solving these equations i have found the initial condition. Can you please tell me how to draw these waveforms?...

presque 8 ans il y a | 0

Réponse apportée
How to use Fsolve with multiple variables
in this paper on page 3284, they have used fsolve to solve those equations. see upper right side.

environ 8 ans il y a | 0