I have to multiply 3*3 and 3*1 array. i am getting error using "curvature​qi=bsxfun(​@times,q,c​urvature);​" this is giving 3*3 matrix but i need 3*1 matrix in every layer or loop. please help

 q = [3*3] Matrix where q = q(:,:,1:20)
 curvature = [3*1] Matrix where curvature is single matrix.

[Triveni]

I am multiplying curvature and q

Answer 1

[Walter Roberson]

T = arrayfun(@(pane) q(:,:,pane) * curvature, 1 : size(q,3), 'Uniform', 0);
curvatureqi = cell2mat( reshape(T,1,1,size(q,3)) );

[Triveni]

curvatureqi = cell2mat( reshape(T,1,1,size(q,3)) );

is not running. i am poor in Matlab please correct it.

[Walter Roberson]

I do not know how, but somehow what I posted had an invisible character before the 'qi' so if you copied and pasted it before you would have had output for curvature and no assignment to the variable. I have corrected it so you can copy and paste it.

I tested with

q = rand(3,3,20);
curvature = rand(3,1);

The result will be curvatureqi being 3 x 1 x 20 -- that is, you will have your 3 x 1 output for every layer, like you had asked.

[Triveni]

curvatureqi = cell2mat( reshape(T,1, 1, size(q,3)));
          |
Error: The input character is
not valid in MATLAB statements
or expressions.

Values of T is perfect. by the way Lot of thanks...problem with reshape fuction.

[Walter Roberson]

You are getting stuck by the invisible character that I have since corrected. You can copy and paste the code as it is now. Or you can type in the statement by hand instead of copying and pasting it.

[Triveni]

Thanks