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Domanda
find the minimum of polynomial.
To find the minimum of polynomial a*R^2+b*R+c=0. I want to minimize the f(R,a)=0. Give the command for minimizing f(R,a)=0. ...
3 mesi fa | 2 risposte | 0
2
risposteDomanda
The problem is to calculate unknowns and plot graph for Nu vs time.
Matlab code is giving error on odearguments and ode45. % Main script xi = 0.1; Ra = 100; R = Ra * xi; epsilon = 0.1; i...
8 mesi fa | 2 risposte | 0
2
risposteDomanda
finding non zero solution for homogeneous system of equations
The following code is giving constant values of Nusselt number. The solutions are approximately close to zero. D = 0.1; L...
11 mesi fa | 1 risposta | 0
1
rispostaDomanda
solving nonlinear homogeneous system of equations with suitable initial guess
Can anyone suggest intial guess(the value of A0) for the system of homogeneous nonlinear equations or any other method to solve ...
12 mesi fa | 1 risposta | 0
1
rispostaDomanda
Plot between Nu vs Ra
I need to plot for Nu vs Ra. The given code is giving multiple plots. I need a single plot for Nu vs Ra. Please check the co...
12 mesi fa | 1 risposta | 0
1
rispostaDomanda
the contours are not coming in the plot
In this code, the contourslice line is not running. It's showing index in position 1 is invalid. Array indices must be positive ...
circa un anno fa | 0 risposte | 0
0
risposteDomanda
plot the function which is dependent on x, y and z with x, y and z on three axis.
D_value = 0.1; L_value = 0.1; B_value = 0.1; x = 0:0.01:L_value/D_value; y = 0:0.01:B_value/D_value; z = 0:0.01:0.25; [Y...
circa un anno fa | 2 risposte | 0
2
risposteDomanda
I need a plot between positive minima of given Ra_ and given xi in matlab.
xi = 0.1:0.01:0.5; Ra_ = 1.0e+06 * Columns 1 through 15 -9.0002 -5.0872 -1.4181 -1.3406 -1.1055 -0...
oltre un anno fa | 1 risposta | 0
1
rispostaDomanda
forming a matrix with given entries
correct the use of if condition in the following code: function [A,B] = fdm1(H,xi,a,b,N) H = 1; xi = 0.1; a= -1; b = 1; N=5...
oltre un anno fa | 1 risposta | 0
1
rispostaDomanda
write a matrix in the form AX=RBX
% Write matrix of form AX=R*B*X with X contains A(k) and B(k) are eigenvectors % conditions k = 1 to 10; n = 1 to k and n ...
oltre un anno fa | 0 risposte | 0
0
risposteDomanda
calculate integration of function
clc clear syms x y z D L B A(m, n, j, t) R nfin = 1; nffin = 3; % length of summation of n jfin = 1; jffin = 3; % le...
oltre un anno fa | 1 risposta | 0
1
rispostaDomanda
Plotting in 3D using dashed and solid lines for a given range of R2
I need to plot for R2 using dashed line in [-5 0) and solid line in [0 5] in the same figure. Thanks in advance. hold on ...
quasi 2 anni fa | 1 risposta | 0
1
rispostaDomanda
3D plot Between one known and two unknown parameter.
For a given equation, A.^2+B.^2=R I need to plot between A,B and R where R is known(R lies between 1 to 10 for 100 resolutions)...
quasi 2 anni fa | 1 risposta | 0
