Need at least 4 \"lines\" that make a picture. 000001000000000000000000010000000

Question

Need at least 4 "lines" that make a picture. 00000100000000000000000001000000000000000000010000 00000001000000000000000001000000000000000001000000 00000000010000000000000001000000000000000100000000 00000000000100000000000001000000000000010000000000 00000000000001000000000001000000000001000000000000 00000000000000010000000001000000000100000000000000 00000000000000000100000001000000010000000000000000 00000000000000000001000001000001000000000000000000 00000000000000000000010001000100000000000000000000 00000000000000000000000101010000000000000000000000 00000000000000000000000101010000000000000000000000 000000000000000000000100010001000000000000 00000000000000000001000001000001000000000000000000 000000000000000001000000010000000100000000 00000000000000010000000001000000000100000000000000 000000000000010000000000010000000000010000 0000000000010000000000000100000 0000000001000000000000000100000000 00000001000000000000000001000000000 000001000 0001000 01000000000000000000000001000000000000000000000001 0 1000000 10000 100 000000001000000000 TK-1 000000010000000 Figure 2: Example Matrix While this picture is very cool to be able to make, it is also important to be able to save it. To do this it must be written out or outputted to a file. Instructions For this lab: 1.) Write a script (.m file) that creates a matrix filled with zeros or ones as rows so that the matrix appears square 3.) Manipulate this matrix using MATLAB commands and loops to create an image or pattern in 2.) Your matrix must be a minimum size of 25 x 50 There needs to be twice as many columns the matrix. If your initial matrix is zeroes, add ones: and if your initial matrix is ones, add zeros. 4.) Your shape cannot be a simple square or a plus sign. I It must invoive at least four different "lines" or pieces that create the picture. 5.) Finally, write this image out to a text (.txt) file using file open and printing commands Remember to include both your (commented) code and the resulting text file image in your lab ranod

Explanation / Answer

       

If I wanted to create a matrix of blanks spaces I would use the following command:

but what if I do not know the length or width of the matrix? If the matrix was for ints or double types it would be easy:

      I need a matrix of nxn, where the first pxp of it contains ones and rest are zeros. I can do it with traversing the cells, so I'm not asking a way to do it. I'm looking for the "MATLAB" way to do it, using build in functions and avoiding loops etc. To be more clear,

let n=4 and p=2,

then the output must be:

I know there are possibly more than one elegant solution to do it, so I will accept the answer with the shortest and most readable one. The question title looks a bit irrevelant, but I thought that the best strategy is to create pxp ones matrix, then expanding it to nxn with zeros.

     

The answer is creating a matrix of zeroes, and then setting part of it to 1 using indexing:

For example:

if we expand,we can use :

                    

      

Another way to expand the matrix with zeros:

   

You can create the matrix easily by concatenating horizontally and vertically:

     

Related Questions

Navigate

• Browse (All)
• Browse N
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.