# Revision history [back]

### Can I estimate Non-Negative Least Squares (NNLS) in SHAZAM?

A SHAZAM User asked:

Is it possible to solve a nonnegative least-squares constraints problem of the form shown below in SHAZAM?

${\min_{x}\left \| C.x-d \right \|^2_2},\quad where\quad x\geq 0$

### Can I estimate Non-Negative Least Squares (NNLS) in SHAZAM?

A SHAZAM User asked:

Is it possible to solve a nonnegative least-squares constraints problem of the form shown below in SHAZAM?

${\min_{x}\left \| C.x-d \right \|^2_2},\quad where\quad x\geq 0$

Could this be done with the NL command?

### Can I estimate Non-Negative Least Squares (NNLS) in SHAZAM?

A SHAZAM User asked:

Is it possible to solve a nonnegative least-squares constraints problem of the form shown below in SHAZAM?

${\min_{x}\left \| C.x-d B.x-a \right \|^2_2},\quad where\quad x\geq 0$

Could this be done with the NL command?

 4 No.4 Revision David 5219 ●1 ●3 ●10

### Can I estimate Non-Negative Least Squares (NNLS) in SHAZAM?

A SHAZAM User asked:

Is it possible to solve a nonnegative non-negative least-squares constraints problem of the form shown below in SHAZAM?

${\min_{x}\left \| B.x-a \right \|^2_2},\quad where\quad x\geq 0$

Could this be done with the NL command?