65 arguments to the plot command. |
65 arguments to the plot command. |
66 |
66 |
67 .. #[[Anoop: I think it will be good to rephrase the sentence]] |
67 .. #[[Anoop: I think it will be good to rephrase the sentence]] |
68 .. #[madhu: Why "you" here? Shouldn't this be "we" as decided? Also I |
68 .. #[madhu: Why "you" here? Shouldn't this be "we" as decided? Also I |
69 added "the default" check the diff] |
69 added "the default" check the diff] |
|
70 |
70 The additional argument that we shall be passing in here now is the |
71 The additional argument that we shall be passing in here now is the |
71 colour argument. We shall first clear the figure and plot the same in |
72 colour argument. We shall first clear the figure and plot the same in |
72 red colour. Hence |
73 red colour. Hence |
73 |
74 |
74 .. #[Madhu: Note the diff for changes] |
75 .. #[Madhu: Note the diff for changes] |
75 :: |
76 |
|
77 :: |
76 |
78 |
77 clf() |
79 clf() |
78 plot(x, sin(x), 'r') |
80 plot(x, sin(x), 'r') |
79 |
81 |
80 As we can see we have the same plot but now in red colour. |
82 As we can see we have the same plot but now in red colour. |
81 |
83 |
82 .. #[Madhu: diff again] |
84 .. #[Madhu: diff again] |
83 |
85 |
84 To alter the thickness of the line, we use the ``linewidth`` argument in the plot |
86 To alter the thickness of the line, we use the ``linewidth`` argument |
85 command. Hence |
87 in the plot command. Hence :: |
86 :: |
|
87 |
88 |
88 plot(x, cos(x), linewidth=2) |
89 plot(x, cos(x), linewidth=2) |
89 |
90 |
90 produces a plot with a thicker line, to be more precise plot with line |
91 produces a plot with a thicker line, to be more precise plot with line |
91 thickness 2. |
92 thickness 2. |
94 same plot, as you have not cleared the figure]] |
95 same plot, as you have not cleared the figure]] |
95 .. #[Madhu: To Anoop, not necessary I feel since they can see it?] |
96 .. #[Madhu: To Anoop, not necessary I feel since they can see it?] |
96 |
97 |
97 {{{ Show the plot and compare the sine and cos plots }}} |
98 {{{ Show the plot and compare the sine and cos plots }}} |
98 |
99 |
99 {{{ Pause here and try out the following exercises }}} |
100 Pause here and try out the following exercises, |
100 |
101 |
101 .. #[[Anoop: is the above a context switch for the person who does the |
102 .. #[[Anoop: is the above a context switch for the person who does the |
102 recording, other wise if it an instruction to the person viewing |
103 recording, other wise if it an instruction to the person viewing |
103 the video, then I guess the three braces can be removed.]] |
104 the video, then I guess the three braces can be removed.]] |
104 |
105 |
151 {{{ Show the options available for line style and colors }}} |
152 {{{ Show the options available for line style and colors }}} |
152 |
153 |
153 .. #[Madhu: The script needs to tell what needs to be shown or |
154 .. #[Madhu: The script needs to tell what needs to be shown or |
154 explained.] |
155 explained.] |
155 |
156 |
156 {{{ Pause here and try out the following exercises }}} |
157 Pause here and try out the following exercises |
157 |
158 |
158 .. #[[Anoop: same question as above, should it be read out?]] |
159 .. #[[Anoop: same question as above, should it be read out?]] |
159 |
160 |
160 %% 2 %% Plot the sine curve with green filled circles. |
161 %% 2 %% Plot the sine curve with green filled circles. |
161 |
162 |
242 |
243 |
243 The solution is to enclose the whole string in between $. Hence, |
244 The solution is to enclose the whole string in between $. Hence, |
244 :: |
245 :: |
245 |
246 |
246 title("Parabolic function $-x^2+4x-5$") |
247 title("Parabolic function $-x^2+4x-5$") |
247 #[[Bhanu: Dollar sign should enclose only the math-expression. change |
248 |
248 made.]] |
249 .. #[[Bhanu: Dollar sign should enclose only the math-expression. change |
|
250 made.]] |
249 |
251 |
250 gives a title that looks neatly formatted. |
252 gives a title that looks neatly formatted. |
251 |
253 |
252 Although we have title, the plot is not complete without labelling x |
254 Although we have title, the plot is not complete without labelling x |
253 and y axes. Hence we shall label x-axis to "x" and y-axis to "f(x)" :: |
255 and y axes. Hence we shall label x-axis to "x" and y-axis to "f(x)" :: |