junfengzhang.com valuation and analysis

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# If you are regularly crawling WordPress.com sites, please use our firehose to receive real-time push updates instead. # Please see https://developer.wordpress.com/docs/firehose/ for more details. Sitemap: https://junfengzhang.com/sitemap.xml Sitemap: https://junfengzhang.com/news-sitemap.xml User-agent: * Disallow: /wp-admin/ Allow: /wp-admin/admin-ajax.php Disallow: /wp-login.php Disallow: /wp-signup.php Disallow: /press-this.php Disallow: /remote-login.php Disallow: /activate/ Disallow: /cgi-bin/ Disallow: /mshots/v1/ Disallow: /next/ Disallow: /public.api/ # This file was generated on Wed, 01 Feb 2023 15:02:35
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Title Blogging Tom – Technologies and
Description Technologies and
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WebSite junfengzhang faviconjunfengzhang.com
Host IP 192.0.78.25
Location United States
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junfengzhang.com Valuation
US$308,838
Last updated: 2023-05-14 00:52:39

junfengzhang.com has Semrush global rank of 34,271,398. junfengzhang.com has an estimated worth of US$ 308,838, based on its estimated Ads revenue. junfengzhang.com receives approximately 35,636 unique visitors each day. Its web server is located in United States, with IP address 192.0.78.25. According to SiteAdvisor, junfengzhang.com is safe to visit.

Traffic & Worth Estimates
Purchase/Sale Value US$308,838
Daily Ads Revenue US$286
Monthly Ads Revenue US$8,553
Yearly Ads Revenue US$102,630
Daily Unique Visitors 2,376
Note: All traffic and earnings values are estimates.
DNS Records
Host Type TTL Data
junfengzhang.com. A 300 IP: 192.0.78.25
junfengzhang.com. A 300 IP: 192.0.78.24
junfengzhang.com. NS 86400 NS Record: ns1.wordpress.com.
junfengzhang.com. NS 86400 NS Record: ns3.wordpress.com.
junfengzhang.com. NS 86400 NS Record: ns2.wordpress.com.
HtmlToTextCheckTime:2023-05-14 00:52:39
Blogging Tom Technologies and People Menu Search Home Contact Videos Search for: Search Affine Transformation — why 3D matrix for a 2D transformation On January 17, 2023 January 20, 2023 By Tom Zhang In Linear Algebra Leave a comment Assumption: you know the basics of Linear Transformation by matrix multiplication. If not, this 3Blue1Brown’s video is a great intro. Have you wondered why Affine Transformation typically uses a 3×3 matrix to transform a 2D image? It looks confusing at first, but it is actually a brilliant idea! If you search around for articles on the topic, you can see that 3×3 matrices are used to perform transformations (scaling, translation, rotating, shearing) on images, which are 2D! Credit: Cmglee at https://en.wikipedia.org/wiki/Affine_transformation We know that the locations of each pixel in a 2D image can be represented with a 2D vector [x,y], and the image can be linearly transformed with a 2×2 matrix. So questions naturally come. Where do the 3×3 matrices
Ads.txtCheckTime:2023-05-14 00:52:39
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HTTP Headers
HTTP/1.1 301 Moved Permanently
Server: nginx
Date: Wed, 22 Dec 2021 11:16:43 GMT
Content-Type: text/html
Content-Length: 162
Connection: keep-alive
Location: https://junfengzhang.com/
X-ac: 3.ewr _dca 

HTTP/2 200 
server: nginx
date: Wed, 22 Dec 2021 11:16:43 GMT
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host-header: WordPress.com
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junfengzhang.com Whois Information
Domain Name: JUNFENGZHANG.COM
Registry Domain ID: 1866581564_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.wildwestdomains.com
Registrar URL: http://www.wildwestdomains.com
Updated Date: 2021-06-11T15:45:02Z
Creation Date: 2014-07-12T15:37:09Z
Registry Expiry Date: 2022-07-12T15:37:09Z
Registrar: Wild West Domains, LLC
Registrar IANA ID: 440
Registrar Abuse Contact Email: abuse@wildwestdomains.com
Registrar Abuse Contact Phone: 480-624-2505
Domain Status: clientDeleteProhibited https://icann.org/epp#clientDeleteProhibited
Domain Status: clientRenewProhibited https://icann.org/epp#clientRenewProhibited
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Domain Status: clientUpdateProhibited https://icann.org/epp#clientUpdateProhibited
Name Server: NS1.WORDPRESS.COM
Name Server: NS2.WORDPRESS.COM
DNSSEC: unsigned
>>> Last update of whois database: 2021-12-25T08:16:07Z <<<

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