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MINATI


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50 2018 이후 총 참여 횟수

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can it be possible to use odeVectorField
syms f(x) g(x) h(x) Pr Nb Nt Le [V] = odeToVectorField( diff(f,3) - diff(f)^2 + f * diff(f,2) == 0,diff(g,2) + Pr * ( f * diff(...

7일 전 | 답변 수: 1 | 0

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symbolic code ends with an error
Tr = 0.5; M = 1; Kp = 0.1; K = 02; L = 0.5; D = 3; Rd = 0.5; Pr = 2; S1 = 0.01; Nb = 02; Nt = 1; Le = 1; Kc = 1; ...

약 1달 전 | 답변 수: 1 | 0

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My answer is not matching with attached file
syms k r a=sym('a'); b = sym('b');L=sym('L'); M = sym('M'); b1 = sym('b1'); m=7; F = sym(zeros(m,1)); F(1)=0; F(2)=1; ...

5달 전 | 답변 수: 0 | 0

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How to retrieve the successive values from the given code
syms k r a b k=7;F = zeros(k,1);F(1)=0;F(2)=1;F(3)=a/2; for r = 1:k F(k+3)=(symsum((r+1)*F(r+1)*(k-r+1)*F(k-r+1),r,0,k) -...

5달 전 | 답변 수: 0 | 0

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how to extract F(k+3) and G(k+2) from symsum code and applying Initial Condition to find series solution
syms x k r f(x) g(x) a b beta b1 M L syms F(k) G(k) % F(0)=0;F(1)=1;F(2)=a/2;G(0)=0;G(1)=1/2;G(2)=b/2;b1=1/beta; %%%%dnf=dif...

5달 전 | 답변 수: 0 | 0

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Solution of Recurrence relation to find a series expression
syms x k r f(x) g(x) a b beta b1 M L syms F(k) G(k) F(0)=0;F(1)=1;F(2)=a/2;G(0)=0;G(1)=1/2;G(2)=b/2;b1=1/beta; %%%%dnf=diff(...

5달 전 | 답변 수: 0 | 0

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taylor series expansion with initial condition
syms x f(x) p f1=taylor(f(x),x,'order',3) (D(D(f))(0)=p; D(f)(0)=1; f(0)=0; %%% I want to put initial conditios (D(...

5달 전 | 답변 수: 1 | 0

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CONVERSION OF ODE TO RECURRENCE RELATION
syms x k r f(x) g(x) a b beta b1 M L syms F(k) G(k) F(0)=0;F(1)=1;F(2)=a/2;G(0)=0;G(1)=1/2;G(2)=b/2;b1=1/beta; %%%%dnf=diff(...

5달 전 | 답변 수: 0 | 0

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symbolic code with boundary condition
t = sym('t'); x = sym('x'); a=5;a1=2;xa=0;xb=3; g = zeros(1,3,'sym');ga = zeros(1,3,'sym');g(1)=a*x+(5/2)*x.^2; fo...

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symbolic and numerical code merged to solve
function main %%%%%%NUMERICAL CODE A=0.5; pr=1; a=1; phi=0.1;a1=2;a2=1;xa=0;xb=6; solinit=bvpinit(linspace(xa,xb,10),[0 1 ...

5달 전 | 답변 수: 2 | 0

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The symbolic code is not running
syms t x a p q r a1 a2 A pr f(1)=x+p*x^2/2;g(1)=a*x+q*x^2/2;h(1)=1+r*x; for i=1:5 %(Can I take i=0:5) fa(i) = subs(...

7달 전 | 답변 수: 0 | 0

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Need symbolic calculation, but unable to do
Please follow the attached pdf to consider.

7달 전 | 답변 수: 0 | 0

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Figs. 1, 2, 3 are not coming while using the following code
Pr=1;Sc=1; R=0.1; xa=0;xb=6; Lv = [-2.5:0.1:0]; for D=[ 0 0.5 1] for i=1:length(Lv) L = Lv(i); fODE =...

12달 전 | 답변 수: 1 | 0

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How to draw fig.1 with this code
Pr=1;Sc=1; R=0.1; xa=0;xb=6; Lv = [-2.5:0.1:0]; for D=[ 1 1.5 2] for i=1:length(Lv) L = Lv(i); fODE =...

약 1년 전 | 답변 수: 0 | 0

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Subscripted assignment dimension mismatch.
function main D=1; %L=0; Pr=1;R=0.1;Sc=1; xa=0;xb=6; Lv = [-2.5:0.025:0]; p = []; for i=1:length(Lv) L = Lv(i); ...

약 1년 전 | 답변 수: 2 | 0

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What changes should have been made to run the code
%% HERE is the code format long wt=pi/2; t=1; % t=0.01:0.01:5; % w=pi/2; w=wt./t; R=10;H=2;M=5;Kp=0.5;Gr=5;Gc=5;Kc=...

약 1년 전 | 답변 수: 0 | 0

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Needs derivative w.r.t. ' y ' & then graph w.r.t ' t '
y=0:0.01:5; P2=5; %%% t=1; U=exp(y*sqrt(P2)).*(1-erf(y./(2.*sqrt(t))+ sqrt(P2.*t))); S= - diff(U,y); ...

약 1년 전 | 답변 수: 1 | 1

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Graph is not coming with this MATHEMATICA code (new to this)
TypeEQ = 2; NumEQ = 3; f[1, z_, {f_, g_, s_}, sigma_] := D[f, {z, 2}] + Gr*Pr*g - Nr*s + sigma; f[2, z_, {f_, g_, s_}, sigma...

약 1년 전 | 답변 수: 0 | 0

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How to draw Fig. 4
function main Pr=1; L=-1;D=1; R=0.1;Sc=1; % D=input('D='); %%D=0.5, 1, 1.5 xa=0;xb=6; solinit=bvpinit(linspace(xa,xb,10...

약 1년 전 | 답변 수: 1 | 0

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Why this ERROR is coming
M=1;Kp=100; P2=M+(1/Kp);P3=P2+1i*w; U7=exp(y*sqrt(P3)).*(1-erf(y/(2*sqrt(t))+ sqrt(P3*t))); Error using erf (error functi...

약 1년 전 | 답변 수: 0 | 0

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How to draw Fig. 1 from the attached pdf with this code
function main Pr=1; G=0.1; % phi=input('phi='); %%0,.05, .1, .15, .2 phi=0.0; rhof=997.1;Cpf=4179;kf=0.613; %for...

약 1년 전 | 답변 수: 1 | 0

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can matlab find ilaplace
F1=ilaplace(exp(-y*sqrt(s+a))/s); pretty(F1)

약 1년 전 | 답변 수: 2 | 0

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Using LAPLACE TRANSFORM Can it be possible to draw the attached problem
Using LAPLACE TRANSFORM Can it be possible to draw the attached problem.

약 1년 전 | 답변 수: 0 | 0

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Can matlab find the partial fraction with two variables
Partial fraction of (2xy-1) / [(x^3)*(y^2-Ax-B)] where s,p: variables and A,B: constants

약 1년 전 | 답변 수: 0 | 0

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Which code of BVP4C replaces the code xSol(t) = simplify(xSol(t)) OR pretty([xSol(t);ySol(t)]) of DSOLVE
Which code of BVP4C replaces the code xSol(t) = simplify(xSol(t)) OR pretty([xSol(t);ySol(t)]) of DSOLVE

약 1년 전 | 답변 수: 0 | 0

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Is it possible to get the value of 'A' in a table format of 11x4 dimension
function main format long Pr=0.72; xa=0;xb=2; solinit=bvpinit(linspace(xa,xb,11),[0 0 0 1 0]); sol=bvp4c(@ode,@bc,solinit);...

약 1년 전 | 답변 수: 0 | 0

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Error occurs while running the code
function main B=0.3; L=0.3; M=1; Pr=1;Nb=.1; Nt=0.1;R=1;Le=5; xa=0;xb=5; solinit=bvpinit(linspace(xa,xb,101),[0 1 1 0 1 0 0 ...

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What is the matlab definition for varying an unknown parameter in X-axis? Means by which name
From the attached pdf, I need to draw Figs.(1-3), where the f"(0) (differentiated w.r.t 'x' twice at x=0) but then in X-axi...

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질문


What is the matlab definition for varying an unknown parameter in X-axis? Means by which name
What is the matlab definition for varying an unknown parameter in X-axis? Means by which name

약 1년 전 | 답변 수: 1 | 0

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I need curve for f "(0) vs phi with G= 0; 0.1; 0.2; 0.3
function main p1 = 0:0.02:2; for k = 1:length(p1) phi = p1(k); end Pr=6.2; G=input('G='); %...

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