Fixed BXNL doc

Author: Brunochris13

BXNL/Readme.md

@@ -20,8 +20,8 @@ and is also part of the [NAG Optimization Modelling Suite](https://www.nag.co.uk
 Figure 1 shows an illustrative simple problem of data fitting ([more details](./orbit_ex/Readme.md)). The task is to find the optimal orbit path given a variety of measurements for which the orbit has to approximatly pass-by.
 
 <figure style="display:flex;">
-  <img src="./images/est_orbit.png" alt="Optimal orbit from data orbit measurements."/>
-  <img src="./images/estw_orbit.png" alt="Weighted optimal orbit from data orbit measurements."/>
+  <img src="./images/est_orbit.png" width="50%" alt="Optimal orbit from data orbit measurements."/>
+  <img src="./images/estw_orbit.png" width="50%" alt="Weighted optimal orbit from data orbit measurements."/>
 </figure>
 
 **Figure 1.** Example of a NLLS orbital data fitting.
@@ -51,8 +51,8 @@ parameters for the two distributions (red and blue curves in right plot in Figur
 Adding these together produces the green curve which is the one used to perform the fitting with.
 
 <figure style="display:flex;">
-  <img src="./images/tracks.png" alt="PADC etch track diameter histogram unfolding"/>
-  <img src="./images/fig-unfolding.png" alt="Experimental histogram of track diameter"/>
+  <img src="./images/tracks.png" width="50%" alt="PADC etch track diameter histogram unfolding"/>
+  <img src="./images/fig-unfolding.png" width="50%" alt="Experimental histogram of track diameter"/>
 </figure>
 
 **Figure 2.** Left: example of a PADC target with alpha 
@@ -79,8 +79,8 @@ are highly encourage to try out the new solver.
 
 <figure style="display:flex;">
   <img src="./images/b-ral_sif-e04gg-e04gb-NT.png" width="33%" alt="Performance Profile (time:seconds)"/>
-  <img src="./images/b-ral_sif-e04gg-e04gb-NF.png" alt="Performance Profile (number of function calls)"/>
-  <img src="./images/b-ral_sif-e04gg-e04gb-NG.png" alt="Performance Profile (number of gradient calls)"/>
+  <img src="./images/b-ral_sif-e04gg-e04gb-NF.png" width="33%" alt="Performance Profile (number of function calls)"/>
+  <img src="./images/b-ral_sif-e04gg-e04gb-NG.png" width="33%" alt="Performance Profile (number of gradient calls)"/>
 </figure>
 
 **Figure 3.** Performance profiles comparing solvers e04gg and e04gb over 68 CUTEst unconstrained nonlinear least-squares problems.