I want to convert a 1-dimension 3-plane matrix with RGB values to a 1-dimension 1-plane matrix, which I will eventually unroll as a list and send over a serial connection. So principle is:

1-plane matrix: r1, b1, g1, r2, b2, g2,...

I came up with a jit.expr that works. A bit. 'Cause from cell 65 on it glitches. Then the R value of a cell ends up in the next cell, not the right one. It seems like some kind of rounding error.

Any thoughts on getting this right? Not necessarily using jit.expr.

3-plane matrix : r1 b1 g1, r2 b2 g2, ...
to
1-plane matrix: r1, b1, g1, r2, b2, g2,...

I came up with a jit.expr that works. A bit. 'Cause from cell 65 on it glitches. Then the R value of a cell ends up in the next cell, not the right one. It seems like some kind of rounding error. 

Hi there,
I want to convert a 1-dimension 3-plane matrix with RGB values to a 1-dimension 1-plane matrix, which I will eventually unroll as 

converting-3-plane-matrix-to-1-plane-strange-jit·expr-behavior

Interestingly this jit.gen alternative displays a similar glitch from cell 50 on:

I'm sure I'm missing something simple here... but what?

Still interested to learn why my previous alternatives didn't work though.

Converting 3-plane matrix to 1-plane, strange jit.expr behavior