MATLAB: How to solve two non-linear equations simultaneously

itirationnon-linear

I have two non-linear equations, which are having two unknowns. It is not possible to make it one equation with one variable. now I want the solution of these two equations. please help me to solve this by iteration methods, I want that how to code for iterations. I write for solve command with syms, but I got empty solution. i think it can be solved by iteration methods. Hence please tell me how to write a code…

Best Answer

See FSOLVE if you have the Optimization Toolbox.

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MATLAB: Help with Understanding and Fixing Contour Plot

I am not certain what you’re doing, or the result you want.

This sets the elements of ‘T2d’ that are equal to 1, to NaN, since NaN values do not plot, and that appears to be outside the area you want to plot.

See if that change, and figure(2) (the surf plot, rotated to match your ‘T2d’ matrix) do what you want. These lines replace your code after the ‘X’ and ‘Y’ assignments:

T2d(T2d == 1) = NaN;
figure(1)
contourf(x,y,T2d,10)
figure(2)
surf(T2d)
grid on
view(0, -90)
shading interp

MATLAB: How to create a vector with a sequence 1, u, u(u-1), u(u-1)(u-2)….

syms u
n = 7;
A = [1,cumprod(u - (0:n))];
A =
[ 1, u, u*(u - 1), u*(u - 1)*(u - 2), u*(u - 1)*(u - 2)*(u - 3), u*(u - 1)*(u - 2)*(u - 3)*(u - 4), u*(u - 1)*(u - 2)*(u - 3)*(u - 4)*(u - 5), u*(u - 1)*(u - 2)*(u - 3)*(u - 4)*(u - 5)*(u - 6), u*(u - 1)*(u - 2)*(u - 3)*(u - 4)*(u - 5)*(u - 6)*(u - 7)]

Best Answer

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MATLAB: Help with Understanding and Fixing Contour Plot

MATLAB: How to create a vector with a sequence 1, u, u(u-1), u(u-1)(u-2)….

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