Element-wise Multiplication, Transformation matrix.

Hello!

I have a transformation matrix like this.

Angles are changing depending on time. I have a series of pitch, yaw and roll angle. I created 3 arrays and calculated all the angles in a loop with 54000 iteration. Namely, I have all the angle values in my hand. Right now, I want to insert these angle values to my transformation matrix and calculate trasformation matrix for 54000 iteration.

I tried to solve the problem. First I reshaped all 3 angle arrays, then I tried to calculate the transformation matrix using pointwise operator. My first question is that how can I use pointwise operator when my values are in cos and sin functions. Should I calculate all the cosine and sine values of these values by creating another array? And the other question is that how can I use pointwise operator when I have multiplication of three values?

The solution does not have to be that way. If you have other solution ideas you can write.

[Bruno Luong]

Pretty much the same method in this thread can be transposed here

[hknatas]

Actually I tried this first but I encountered a few problems. Such as

cos(x).*sin(y) Is this notation is true?

cos(x).*sin(y).*cos(z) And is this notation is true?

[James Tursa]

Yes, that is the correct notation. The issue you are going to have after doing this is permuting and reshaping the elements to get your individual 3x3 rotation matrices contiguous.

[hknatas]

Thanks! It worked.