Plot grraph , srink is problem

2024 8 25
1 个回答
更新时间：2024 9 1
4 次查看（30 天）

0 个投票

the following code is plot the graph I want to change the Y axis value so that the box and plot on x -axis does concide , I try it using limit commmand but it just srink the graph
x=-1000:25:975
u_exact=[-9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.25E-08 -9.25E-08 -9.26E-08 -9.27E-08 -9.28E-08 -9.31E-08 -9.36E-08 -9.45E-08 -9.63E-08 -1.00E-07 -1.12E-07 -1.75E-07 -4.18134E+12 -1.77E-07 -1.12E-07 -1.00E-07 -9.63E-08 -9.45E-08 -9.36E-08 -9.31E-08 -9.28E-08 -9.27E-08 -9.26E-08 -9.25E-08 -9.25E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08]
u_RDTM=[-9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.25E-08 -9.25E-08 -9.26E-08 -9.27E-08 -9.28E-08 -9.31E-08 -9.36E-08 -9.45E-08 -9.63E-08 -1.00E-07 -1.12E-07 -1.75E-07 -4.18134E+12 -1.77E-07 -1.12E-07 -1.00E-07 -9.63E-08 -9.45E-08 -9.36E-08 -9.31E-08 -9.28E-08 -9.27E-08 -9.26E-08 -9.25E-08 -9.25E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08]
plot(x,u_RDTM,'o',x,u_exact)
xlim([-1844 2054])
ylim([-6950633103752 1818593846248])

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回答（1 个）

Torsten
Torsten 2024-8-25
Ran in:

0 个投票

Ran in:
I don't know what you mean by "I want to change the Y axis value so that the box and plot on x -axis does concide".
Maybe like this:
x=-1000:25:975;
u_exact=[-9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.25E-08 -9.25E-08 -9.26E-08 -9.27E-08 -9.28E-08 -9.31E-08 -9.36E-08 -9.45E-08 -9.63E-08 -1.00E-07 -1.12E-07 -1.75E-07 -4.18134E+12 -1.77E-07 -1.12E-07 -1.00E-07 -9.63E-08 -9.45E-08 -9.36E-08 -9.31E-08 -9.28E-08 -9.27E-08 -9.26E-08 -9.25E-08 -9.25E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08];
u_RDTM=[-9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.25E-08 -9.25E-08 -9.26E-08 -9.27E-08 -9.28E-08 -9.31E-08 -9.36E-08 -9.45E-08 -9.63E-08 -1.00E-07 -1.12E-07 -1.75E-07 -4.18134E+12 -1.77E-07 -1.12E-07 -1.00E-07 -9.63E-08 -9.45E-08 -9.36E-08 -9.31E-08 -9.28E-08 -9.27E-08 -9.26E-08 -9.25E-08 -9.25E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08];
semilogy(x,u_RDTM,'o',x,u_exact)

7 个评论
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yogeshwari patel
yogeshwari patel 2024-8-25
yes but i dont want to diaplay as power of 10 as in your code . i want tha space between the graph and boundary
Torsten
Torsten 2024-8-25
Maybe you should use the google translator before posting. I don't understand what you mean. What is "the space between the graph and boundary" ?
Sam Chak
Sam Chak 2024-8-25
@yogeshwari patel, Or make a sketch. A picture is worth a thousand words to visually express what you expect to see in the plot.
yogeshwari patel
yogeshwari patel 2024-8-31
As i run the above code I get the graph as in the attachment . I want to redraw in the form were the stright line, o , boundary of graph doesnt concide as Torsent as asnwer but on Y axis I want the numbers not in powers of 10.
Hope I am clear now .
DGM
DGM 2024-8-31
Ran in:
Ran in:
Something like this?
x=-1000:25:975;
u_exact=[-9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.25E-08 -9.25E-08 -9.26E-08 -9.27E-08 -9.28E-08 -9.31E-08 -9.36E-08 -9.45E-08 -9.63E-08 -1.00E-07 -1.12E-07 -1.75E-07 -4.18134E+12 -1.77E-07 -1.12E-07 -1.00E-07 -9.63E-08 -9.45E-08 -9.36E-08 -9.31E-08 -9.28E-08 -9.27E-08 -9.26E-08 -9.25E-08 -9.25E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08];
u_RDTM=[-9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.25E-08 -9.25E-08 -9.26E-08 -9.27E-08 -9.28E-08 -9.31E-08 -9.36E-08 -9.45E-08 -9.63E-08 -1.00E-07 -1.12E-07 -1.75E-07 -4.18134E+12 -1.77E-07 -1.12E-07 -1.00E-07 -9.63E-08 -9.45E-08 -9.36E-08 -9.31E-08 -9.28E-08 -9.27E-08 -9.26E-08 -9.25E-08 -9.25E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08];
plot(x,u_RDTM,'o',x,u_exact)
padpct = 0.1; % padding amount relative to data span
[mn mx] = bounds(u_exact);
rg = mx-mn;
ylim([mn-rg*padpct mx+rg*padpct])
If you also want padding on x, you can specify xlim() as before, or you can do the same thing to automatically calculate xlim() with proportional padding.
DGM
DGM 2024-9-1
Ran in:
Ran in:
I didn't know this since I run an older version, but (in some versions newer than R2019b) you can do the following to apply some padding on both x and y.
x=-1000:25:975;
u_exact=[-9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.25E-08 -9.25E-08 -9.26E-08 -9.27E-08 -9.28E-08 -9.31E-08 -9.36E-08 -9.45E-08 -9.63E-08 -1.00E-07 -1.12E-07 -1.75E-07 -4.18134E+12 -1.77E-07 -1.12E-07 -1.00E-07 -9.63E-08 -9.45E-08 -9.36E-08 -9.31E-08 -9.28E-08 -9.27E-08 -9.26E-08 -9.25E-08 -9.25E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08];
u_RDTM=[-9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.25E-08 -9.25E-08 -9.26E-08 -9.27E-08 -9.28E-08 -9.31E-08 -9.36E-08 -9.45E-08 -9.63E-08 -1.00E-07 -1.12E-07 -1.75E-07 -4.18134E+12 -1.77E-07 -1.12E-07 -1.00E-07 -9.63E-08 -9.45E-08 -9.36E-08 -9.31E-08 -9.28E-08 -9.27E-08 -9.26E-08 -9.25E-08 -9.25E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08 -9.24E-08];
plot(x,u_RDTM,'o',x,u_exact)
axis padded
I'm not sure where this change was made, but it's been five years, so I assume that this is an option for most people, especially students.

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