[心得] Note from the TA of Signals and Systems

看板NTUEE110HW作者diabloiii (天才珈)時間16年前 (2008/04/15 00:47)推噓11(11推 0噓 7→)

留言18則, 10人參與討論串1/1

Hi, dear students: I jsut completed the grading of your homework 1 submissions. In this process I meet many difficulties. Because I made several similar mistakes in the past and I do not want you to make them again in submitting homework 2, I write this short note here. First, your report is much more important than the code. No matter how hard you work, if the reviewer cannot see the clear representation and conclusion in your report, he/she would feel frustrated and make his/her own judgment by mood or by other random factors. For example, if you just copy and paste your codes and images on the report, because you do not explicitly give the answer to any question, I'd fairly guess that you did not solve any problem. The code and the report should be complementary and you should put the results generated by the program (with proper descriptions) and your conclusion in the report. Second, I also encourage you to write the report in English. Your future achievement in the academic circle or in industry will strongly depend on your English writing skill. A homework report is a good starting point to learn the English writing. Third, please do NOT submit your report as the Word file. Word format is not a proper format for document publication. What you see may be different to what others see due to the version mismatches. Please try to convert it to a PDF file, or even a simple txt file. If you do not have Adobe Acrobat professional, a free service can be found at http://createpdf.adobe.com/ . Also, the Matlab fig format is not public, so please save your images in PNG or JPEF formats (I prefer the former one). Because these suggestions are given after the submission, I will try my best to grade your submissions purely on the correctness of the answers, and check the codes if I cannot find the answers in the report. However, I hope you can learn something from this note and make a better submission in the next homework assignment. Best regards, T.A., Chia-Kai Liang P.S: Below are some functions I usually used in my Matlab program. Hope they will be useful. 1. print( filename, '-dpng', '-r300'); % Print your current image as a png file (filename.png), 300 dpi resolution % Please use this instead of printScreen % PNG is a lossless image compression format, and usually has higher quality % then JPG 2. eval % Example: for counter = 1:1:numSystem systemName = sprintf('system%02d', systemId(counter)); command = sprintf('y0 = %s(x, [nMin nMax]);', systemName); eval(command); end % In this way, you can use a for loop to change the commands without % writing many similar codes 3. keyboard % This line will pause the function in the middle, and you can check % your variable inside the function for debugging. % Type 'dbcont' to leave the debug mode. 4. disp(string) % Print something on the console so you know the progress of your program. -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 140.112.41.56

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