Need to plot points

Hello every one

I have an assignment,PLEASE , I need to draw a group of points

(x,y1) in red colour

(x,y2) in blue colour

(x,y3) in green

(x,y4) in pink

(x,y5) in yallow

at the same time in the form of specifying their points only and in different colors to distinguish them and with the extension of certain numbers to the x-axis shown in the picture

I drew the points in Excel, but the only error in the drawing is the presence of a straight line connecting the points, and this is not what I want. In addition, in Excel, I cannot enlarge the drawing, nor can I show a clearer picture of the points that contain 0.000, the points appear as on the zero axis, which they are not

I searched a lot with Matlab commands in drawing and found it

scatter(x,y1,'ro') ...

I used it in the attached file, but the output of the drawing is not in the description I mentioned above

is possible to plot in matlab ??

if any prof can help me thanks alot.

Answer 1

[Jan]

scatter() is a "high-level" function for drawing. Such functions clear the contents of the axes automatically. To collect the output, use hold on or equivalently:

axes('nextplot', 'add');   % equivalent to: hold on

% Then let the drawing follow:
scatter(x,y1,'ro')
scatter(x,y2,'b*')
scatter(x,y3,'g')
scatter(x,y4,'p')
scatter(x,y5,'y')

[hasan s]

thanks prof. Jan for your help

but I need x-axes as

1 2 3 4 10 1 2 3 4 10 1 2 3 4 10

is there possible to add tool to draw that

[hasan s]

thank you very much prof Jan

I really benefited from your answer... thanks alot

[Jan]

I'm glad, if I can help.

What does "x-axes as 1 2 3 4 10 1 2 3 4 10 1 2 3 4 10" mean? I'm not sure, how this should look like.

[hasan s]

The drawing required of me should appear as in the first attached image of the Excel program, but without a straight line connecting the points.

therefore ... I had to repeat the drawing, and it became several drawings instead of what was required of me as one drawing on an x-axis

Thank you so much prof. Jan

[Jan]

Perhaps this helps:

data = rand(1, 10);
plot(1:10, data, 'rx')
hold on
plot(1:10, 1-data, 'bo')

[hasan s]

thanks alot prof. Jan

but x-axis is still 1 2 ... 10

I need x axis as 1 2 ... 10 1 2 ... 10 1 2 .... 10 with their graph

It's like after I start drawing (x, y1) from x=1 ... 10, after 10 start the new count from x=1 ...10 , in order to start drawing (x, y2)

I will try in Your last idea..I'm trying to understand it

thank you very very much

[Jan]

I still do not understand, what this means: "x axis as 1 2 ... 10 1 2 ... 10 1 2 .... 10 with their graph"

Maybe:

axes('XLim', [1, 15], ...
     'Xtick', 1:15, ...
     'XTickLabel', sprintfc('%d', [1  2   3  4  10]))

If there are more ticks than labels, the labels are repeated.

[hasan s]

Excellent programming , thanks alot prof. Jan

This is what I want

Now I have to understand How do I add the commands to get the drawing...

[hasan s]

Thank you very much for your help

Answer 2

[Les Beckham]

It isn't pretty but this is the closest I could come up with to reproducing what you appear to want.

x =[ 1 2 3 4 10  1   2   3   4   10   1         2         3         4         10       ];
y1=[ 2 1 5 3  1  0.2 0.1 0.5 0.3  0.1 2.00E-03  1.00E-03  5.00E-03  3.00E-03  1.00E-03 ];
y2=[ 4 3 7 4  4  0.4 0.3 0.7 0.4  0.4 4.00E-03  3.00E-03  7.00E-03  4.00E-03  4.00E-03 ];
y3=[ 6 5 8 7  6  0.6 0.5 0.8 0.7  0.6 6.00E-03  5.00E-03  8.00E-03  7.00E-03  6.00E-03 ];
y4=[ 5 4 8 5  5  0.4 0.3 0.7 0.4  0.4 4.00E-03  3.00E-03  7.00E-03  4.00E-03  4.00E-03 ];
y5=[ 6 6 9 8  7  0.6 0.5 0.8 0.7  0.6 6.00E-03  5.00E-03  8.00E-03  7.00E-03  6.00E-03 ];

figure(1)
plot(1:15, y1, 'x', 1:15, y2, 'sq', 1:15, y3, '^', 1:15, y4, '+', 1:15, y5, 'o');
xticks(1:15)
xticklabels({'1' '2' '3' '4' '10' '1' '2' '3' '4' '10' '1' '2' '3' '4' '10'})
grid on

I think it looks better with the lines.

figure(2)
plot(1:15, y1, 'x-', 1:15, y2, 'sq-', 1:15, y3, '^-', 1:15, y4, '+-', 1:15, y5, 'o-');
xticks(1:15)
xticklabels({'1' '2' '3' '4' '10' '1' '2' '3' '4' '10' '1' '2' '3' '4' '10'})
grid on

[hasan s]

Excellent programming too

This is exactly what I need

Thank you very much prof. Les Beckham for your help

[Les Beckham]

You are quite welcome.