# Nonlinear curve fitting with weights with LsqFit

**URL:** <https://discourse.julialang.org/t/nonlinear-curve-fitting-with-weights-with-lsqfit/78478>\
**Category:** General Usage\
**Tags:** question, package, curve-fitting, lsqfit\
**Created:** [March 25, 2022, 5:31pm UTC](https://discourse.julialang.org/t/nonlinear-curve-fitting-with-weights-with-lsqfit/78478 "2022-03-25T17:31:08Z")\
**Posts on this page:** 1\
**Showing post:** 11

<div class="post-metadata">

**Author:** ![rafael.guerra](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/rafael.guerra/32/216610_2.png) [@rafael.guerra](https://discourse.julialang.org/u/rafael.guerra)\
**Post date:** [March 26, 2022, 12:05pm UTC](https://discourse.julialang.org/t/nonlinear-curve-fitting-with-weights-with-lsqfit/78478/11 "2022-03-26T12:05:25Z")

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It is much more clear to write:

```julia
σy = [109., 102., 96., 89., 71.] # standard deviations of y
w = 1 ./ σy.^2 # weights for LsqFit

```

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