All Questions
12 questions
0
votes
1
answer
59
views
Why my code produce an incorrect graph in MATLAB?
Does anyone know why my MATLAB code is give an incorrect graph?
I want to plot f(x)=exp(-x)-2*x.
The codes as follows.
clear all;
clc;
h=0.01;
x=-1:h:1;
f=exp(-x)-2*x;
plot(f,x,'color','r');
grid on;
...
3
votes
1
answer
877
views
How to draw a stair-step graph using MATLAB for given value?
I want to draw a step graph using MATLAB.
In the X-axis, the value starts from 0 and increases like:
0, 0+20=20, 0+20+50=70, 0+20+50+80=150, 0+20+50+80+50=200...
and corresponding Y-axis values are: Y ...
- 111
0
votes
1
answer
592
views
Matlab - adding a timer to a graph
I am need to add a timer to a graph in matlab and dynamically update, similar to shown in picture. It will not run in real time, with 1 minute equal to around 1 second of real time. It needs to run ...
- 247
1
vote
1
answer
5k
views
Matlab How to Break Y-Axis and Put Infinity at Top
I am trying to break the y-axis of a plot and put Infinity as my top point, but I can't seem to modify the y-axis labels. Ideally, I'd also like to get rid of that curve ~ line that breaks the plot ...
- 3,667
0
votes
2
answers
152
views
One of the graphs is not plotting in MATLAB
I have three graphs to plot. They all plot fine alone, but when I want the graphs plotted in separate windows, the second graph is not plotted.
This first graph plots fine:
function wave = carrier( ...
- 589
2
votes
2
answers
350
views
matlab: plot area continues after data ends
I have a simple plot in Matlab but as you can see from the screenshot. There is a lot of white space on the right side of the graph after the end of the data series.
Any idea how to get rid of ...
- 25.4k
6
votes
7
answers
18k
views
How to draw good looking arrows in Matlab?
I have been trying to draw arrows in Matlab in my figure but they all look terrible.
Also, I want my arrowhead to be a solid triangle, not a V.
I tried using the packages available on the Matlab File ...
- 3,667
0
votes
1
answer
393
views
How to programmatically draw a line in MATLAB?
I am trying to draw an arbitrary line on a figure in matlab (off of a plot) and I don't know what command I can use.
I tried using the arrow package, but I'm getting bad results
- 3,667
1
vote
2
answers
7k
views
Using findpeaks and minpeakdistance in MATLAB to find peaks separated by distance rather than index
I'm trying to get the x-coordinates of peaks in a MATLAB figure (example attached). I've been using findpeaks, but it doesn't seem to like the fact that I'm plotting points rather than lines.
I won't ...
- 2,139
2
votes
1
answer
106
views
Index annotation on a Matlab Plot
I'm facing the following issue:
I'm analyzing the relationship between a certain impedance value (Complex) and Temperature.
The impedance is calculated for a range of Temperature values and then I ...
- 31
1
vote
0
answers
919
views
matlab: cutting figure when resizing for export
I have a small problem. When plotting figure like that:
a2 = subplot(2,1,2, 'Parent', handles.cpd_plot, 'Position', [0.15, 0.1, 0.80, 0.15]);
a1 = subplot(2,1,1, 'Parent', handles.cpd_plot, '...
- 1,345
0
votes
1
answer
164
views
Matlab: Using surf within a uipanel
I have a 2d matrix containing 4 possible different values.
I've used surf to display it as a like a chess board which works fine.
Now i'm building a UI for my project (w/o GUIDE) and I'm trying to ...
- 599