1.0Department of Mathematics and Data Analytics/mathscizjerniga/mathsci/author/zjerniga/rich600338<blockquote class="wp-embedded-content" data-secret="cvgiO3onnx"><a href="/mathsci/faculty-research/">Faculty Research</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="/mathsci/faculty-research/embed/#?secret=cvgiO3onnx" width="600" height="338" title="“Faculty Research” — Department of Mathematics and Data Analytics" data-secret="cvgiO3onnx" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript"> /* <![CDATA[ */ /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); //# sourceURL=/mathsci/wp-includes/js/wp-embed.min.js /* ]]> */ </script> /mathsci/wp-content/uploads/sites/50/dan-cristian-padure-h3kuhYUCE9A-unsplash-scaled.jpg25601707Mei Chen, Ph. D. My research areas are matrix theory and numerical methods in linear algebra and optimization.  I am currently working on mathematical modeling with large data sets using regression methods. Approximation errors are analyzed to improve the models.  The developed methods have been implemented in MatLab for some real-world applications in COVID-19 and climate change.  I am also working on mathematical modeling using systems of linear and nonlinear differential equations for ecosystem changes and pandemic.  […]