在 matlab 中绘制向量

发布于 2024-10-19 09:53:14 字数 579 浏览 0 评论 0原文

我遇到这种情况，无法以正确的方式解决。问题是这样的：我有3个向量：

Vector1 = [name1 name2 name3 name4 ... nameN] (字符串名称)
Vector2 = [time1 time2 time3 time4] (Double)
Vector3 = [time1:name4 time2:name1 time3:name1 time4:name1] (double ：String）

我想在matlab中执行以下操作：

1-将向量1放入Y轴并带有名称 - 我可以用这段代码来做到这一点：

   set(gca, 'YTick',1:N, 'YTickLabel',Names(:,1))

2- 将向量 2 放在 X 轴上，以模拟时间线

3- 一旦我们有了 X 轴和 Y 轴，我想使用 3 个向量在图中绘制点

例如, 3 个向量包含连续的时间戳，并且在每个时间戳中执行 nameN，所以我想使用 3 个向量作为输入在图中绘制一个点。

有什么建议吗？提前致谢

原文

I have this situation and I can't solve it in the proper way. The problem is this:
I have 3 vectors:

Vector1 = [name1 name2 name3 name4 ... nameN] (string names)
Vector2 = [time1 time2 time3 time4] (Double)
Vector3 = [time1:name4 time2:name1 time3:name1 time4:name1] (double:String)

I want to do the following in matlab:

1- Put Vector 1 in Y axis with names
- I could do it with this code:

   set(gca, 'YTick',1:N, 'YTickLabel',Names(:,1))

2- put Vector 2 in X axis with, to simulate time line

3- Once we have both axis X&Y I'd like to use the 3 Vector to plot point in the graph

For example, 3 Vector contains secuentially timestamps and in each timestamp is executed the nameN, so I'd like to plot a dot in the graph using 3 vector as input.

Any suggestion?Thanks in advance

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幼儿园老大 2024-10-26 09:53:14

您需要将vector3中的名称转换为数字，然后才能调用plot命令。

例如

names = {'a','b','c','d'}; %# use a cell array (curly brackets) for strings
time = [10 20 30 40 50];
data = {10,'d';20,'b';40,'c'}

%# convert data to numeric xData, yData
xData = cell2mat(data(:,1));
[dummy,yData] = ismember(data(:,2),names);

%# plot
plot(xData,yData,'.') %# plot dots
set(gca,'YTick',1:length(names),'YTickLabel',names,'XTick',time)

%# make sure the axes limits aren't too tight
xlim([0,60]),ylim([0,5])

You need to convert the names in vector3 to numbers, then you can call the plot command.

For example

names = {'a','b','c','d'}; %# use a cell array (curly brackets) for strings
time = [10 20 30 40 50];
data = {10,'d';20,'b';40,'c'}

%# convert data to numeric xData, yData
xData = cell2mat(data(:,1));
[dummy,yData] = ismember(data(:,2),names);

%# plot
plot(xData,yData,'.') %# plot dots
set(gca,'YTick',1:length(names),'YTickLabel',names,'XTick',time)

%# make sure the axes limits aren't too tight
xlim([0,60]),ylim([0,5])

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