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2. Weak duality - Wikipedia

   en.wikipedia.org/wiki/Weak_duality

   In applied mathematics, weak duality is a concept in optimization which states that the duality gap is always greater than or equal to 0. This means that for any minimization problem, called the primal problem , the solution to the primal problem is always greater than or equal to the solution to the dual maximization problem .

3. High Efficiency Image File Format - Wikipedia

   en.wikipedia.org/wiki/High_Efficiency_Image_File...

   An image codec called CopyTrans HEIC, which is free for personal use and available for Windows versions 7 through 10, supports opening HEIF files in Windows Photo Viewer without the Microsoft codec installed. (The Microsoft HEIC codec is only available for Windows 10, version 1803 and up in the Photos UWP app.) [36]

4. How to add support for HEIC and HEVC files on Windows 11 - AOL

   www.aol.com/news/add-support-heic-hevc-files...

   Once you complete the steps, you can start viewing ".heic" file extensions encoded using the HEIF container with Photos or another compatible app.. How to fix HEIF codecs support on Windows 11. If ...

5. List of file signatures - Wikipedia

   en.wikipedia.org/wiki/List_of_file_signatures

   heic High Efficiency Image Container (HEIC) 1F 9D ␟ 0 z tar.z compressed file (often tar zip) using Lempel-Ziv-Welch algorithm 1F A0 ␟⍽ 0 z tar.z Compressed file (often tar zip) using LZH algorithm 2D 6C 68 30 2D-lh0-2 lzh Lempel Ziv Huffman archive file Method 0 (No compression) 2D 6C 68 35 2D-lh5-2 lzh

6. Comparison of graphics file formats - Wikipedia

   en.wikipedia.org/wiki/Comparison_of_graphics...

   Portable Bitmap File Format ASCII.pbm image/x-portable-bitmap Yes PCX: ZSoft PC Paintbrush File ZSoft Corporation.pcx, .pcc, .dcx image/x-pcx Dated rle packed indexed image format, used in some early 3d shooting games like Unreal Tournament as it takes up very little space and is easy to decode. ? PDF: Portable Document Format Adobe Systems.pdf ...

7. Dual linear program - Wikipedia

   en.wikipedia.org/wiki/Dual_linear_program

   The weak duality theorem says that, for each feasible solution x of the primal and each feasible solution y of the dual: c T x ≤ b T y. In other words, the objective value in each feasible solution of the dual is an upper-bound on the objective value of the primal, and objective value in each feasible solution of the primal is a lower-bound ...