MATLAB: Combining multiple vectors into 1

combining vectors

if I had 3 vectors

x_lower = 1×100;

x_mid = 1×1;

x_upper = 1×100;

and I want to combine the 3 vectors into 1 vector, say,

x_final = 1×201;

Best Answer

I'd recommend you follow the introductory tutorials in the doc, as it's a very basic operation:

x_final = [x_lower, x_mid, x_upper]

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MATLAB: Trying to solve an integration with several functions, each of which is dependent upon a single variable

CForcef(x) returns a vector if x is a vector. (h/2-x) returns a vector if x is a vector. You ask for matrix multiplication, "*" between the two vectors. That could only work if one of the vectors is a row vector and the other is a column vector, because interior dimensions must be the same for matrix multipication. (A x B) * (C x D) is only allowed if B = C, so in the case of (1xN) * (1xN), that would require N = 1.

Perhaps you want .* instead of *

MATLAB: What does the following code do

Here myFunction evaluates the value based on x

myFunction=@(x)x^2-6;

Say

myFunction(2), here x=2 passes to function arguments, so the result will

ans =
    -2

Then

Assigned

x_lower=0;
x_upper=5;
x_mid=(x_lower+x_upper)/2;

While loop continue till Absolute(myFunction(x_mid)) is greater than 0.01

{

Then replace the value of x_mid, x_lower, x_upper based on if condition

If true

x_lower change to x_mid

otherwise

x_upper=x_mid;
x_mid=(x_lower+x_upper)/2;

end if

Re-evaluate x_mid again based on present x_lower and x_upper value

Then print the x_mid value

Note: Text the code with some example, change the my function expression and see the results

Hope it helps!

Best Answer

Related Solutions

MATLAB: Trying to solve an integration with several functions, each of which is dependent upon a single variable

MATLAB: What does the following code do

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