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2335
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1 # Octave demo |
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2 |
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3 # This is not a function file. |
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4 1; |
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5 |
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6 function demo_clear () |
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7 clc (); |
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8 endfunction |
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9 |
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10 function demo_set_term () |
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11 term = getenv ("TERM"); |
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12 display = getenv ("DISPLAY"); |
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13 if (! strcmp (term, "xterm") || columns (display) == 0) |
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14 graphics_terminal = input ("enter graphics terminal type: ", "s"); |
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15 command = sprintf ("set term %s", graphics_terminal); |
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16 eval (command); |
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17 endif |
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18 endfunction |
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19 |
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20 function demo_graphics () |
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21 demo_clear (); |
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22 demo_set_term () |
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23 demo_clear (); |
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24 printf ("Graphics\n"); |
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25 fflush (stdout); |
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26 sombrero (31); |
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27 pause (10); |
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28 printf ("press return to continue\n"); |
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29 fflush (stdout); |
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30 pause (); |
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31 endfunction |
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32 |
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33 function demo_linear_algebra () |
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34 demo_clear (); |
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35 printf ("Solving Linear Algebra Problems\n"); |
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36 fflush (stdout); |
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37 pause (); |
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38 endfunction |
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39 |
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40 function demo_odes () |
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41 demo_clear (); |
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42 printf ("Solving ODEs and DAEs\n"); |
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43 fflush (stdout); |
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44 pause (); |
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45 endfunction |
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46 |
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47 while (1) |
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48 |
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49 demo_clear (); |
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50 |
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51 choice = menu ("Octave\n======\n\n", ... |
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52 "Graphics", ... |
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53 "Linear Algebra", ... |
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54 "ODEs and DAEs", ... |
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55 "Exit"); |
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56 |
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57 if (choice == 1) |
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58 demo_graphics (); |
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59 elseif (choice == 2) |
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60 demo_linear_algebra (); |
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61 elseif (choice == 3) |
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62 demo_odes (); |
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63 elseif (choice == 4) |
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64 printf ("\nGoodbye and good luck!\n\n"); |
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65 fflush (stdout); |
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66 break; |
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67 endif |
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68 |
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69 endwhile |
