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Legend displaying the same color for all lines
Each plot call creates 1000 Line arrays. Just pass the first of each to legend and it works — angle_steps = 1000; theta = ...

4 years ago | 0

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Can you help me guys i cant plot this this graph using matlab
Try this — x = linspace(0, 10); y = 1 - exp(-0.7*x); figure plot(x, y) hold on plot([0.9 1.75]-0.1, [1 1]*0.4, 'k') pl...

4 years ago | 0

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response of state space to arbitrary input
‘what if i want to give a non-trivial input different from step, like a traingular wave??’ Use the lsim function. That is th...

4 years ago | 0

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how to find the transfer function from LTspice
Perhaps I am missing something, however ‘the expression of the transfer function i plotted as a function of the frequency’ is es...

4 years ago | 0

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Answered
How to do symbolic integration
It apparently does not have a symbolic solution (this is not uncommon). It does have a piecewise closed-form solution, at lea...

4 years ago | 2

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Resolve problem of overlapping title and yticks
I cannot reproduce that in R2021b (using synthetic data), however the NumericRuler Properties Exponent property could work. It ...

4 years ago | 1

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How can i find the peak/maxima of a plot in just a selected region?
I am not exactly certain what the problem is, however I am assuming that there are many peaks and the intent is simply to get th...

4 years ago | 0

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I want to use a code but one of the symbol/character I don't recognize, Please help.
The ‘ear’ is the ‘at-sign’ (@) and here is used to denote a function handle. It is used to define anonymous functions, for exam...

4 years ago | 0

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how to find unknown within equation having unknown
I have no idea if this actually has a robust (and mathematically correct) solution. It is always appropriate to experiment, s...

4 years ago | 0

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Source code for Heart Disease Prediction
PubMed

4 years ago | 0

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How do I stop MATLAB from giving me this warning? ( Global variables are inefficient and make errors difficult to diagnose. Use a function with input variables instead.)
The obvious solution is DO NOT USE GLOBAL VARIABLES! Here, thie solution is — x=5; A = hello(x) function A=hello(x)...

4 years ago | 1

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Answered
Reverse-Engineer Amplified Signal to Obtain Raw Signal
It is somewhat difficult to understand what ‘1 mV/unit’ translates to, since ‘unit’ can be anything. Also, ‘-20 dBV attenuation...

4 years ago | 1

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How to get the corresponding data ?
If only the 24-hour sum is available, it is not possible to get the time history. If the times and incremental volumes are av...

4 years ago | 0

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How to calculate phase difference between 2 periodic signals recorded from oscilloscope?
One approach — T1 = readtable('https://www.mathworks.com/matlabcentral/answers/uploaded_files/840620/data.CSV', 'VariableNamin...

4 years ago | 1

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Answered
How to increase temporal resolution from 3-hourly to hourly data with interpolation?
If the Signal Processing Toolbox is available, the easiest way to do that is with the resample function. .

4 years ago | 0

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Filled contour plot colormap
Tell contourf to use more colours — Levels = hcf.LevelList colormap(parula(numel(Levels)) and the individual patches become ...

4 years ago | 0

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Is that the correct way to plot the graph ?
It plots ‘t’ correctly and plots it — plot(n1,ts1,'LineWidth',1); however the sprintf is not going to produce anything becaus...

4 years ago | 1

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Answered
Plotting Two Consecutive Columns of Matrices
First a (4 x 202) matrix defines a matrix of 4 rows and 202 columns. Assuming that it’s actually a (202 x 4) matrix, perhaps so...

4 years ago | 0

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Answered
Is it appropriate to use ranksum to compare statistical means for time series data?
I have a textbook that discusses it briefly, and it appears to be a subset of the rank-sum test, with a different calculation of...

4 years ago | 0

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How to shade a graph (full and some part)?
Try something like this — y = linspace(0,10); % Assume Row Vectors (Actual Data Not Pr...

4 years ago | 1

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Answered
Non-Linear Regression of 4 Independent Variables and 1 Dependent Variable
This is relatively straightforward to do. The indpendent variables must all be in a matrix (I prefer column-orientation, so I a...

4 years ago | 0

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Why does polyfit/polyval not work for fitting a 2nd degree polynomial to my dataset?
Nothing is wrong. The data simply need to be sorted in order to plot the regression equaiton correctly. Try this first — L...

4 years ago | 2

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Answered
Is there a way I can convert image (pixel) values to Raman shift using MATLAB?
They appear to me to be different data. However, filtering out the high-frequency noise is likely as close as it is possible ...

4 years ago | 1

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Add rows to table, not append
One approach is to duplicate the table by first moving everything from the second row to the end down one, then inserting the ne...

4 years ago | 0

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Trying to change plot style
‘Trying to display correlogram as the picture seen below what do I have to add to my code:’ The plot in the documentation is ...

4 years ago | 0

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Answered
plot 3 D graph when dimension of matrices doesn't agree
Just make them match! Try this — u=[2.22044604925031e-16 0.0166288189049042 0.0642880296655506 0.136295894416653 0.221516...

4 years ago | 0

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Trying to plot correlogram of time series data
Essentially all physiological variables are lognormally distributed. This is inutitively obvious because physiological variable...

4 years ago | 0

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CAN ANYONE SAY THAT WHAT IS MY PROBLEM IN THIS CODE? HOW CAN I SOLVE IT ?
Well, obviously it’s being run without any (or enough) input arguments. The most likely cause is that it is being run as a sc...

4 years ago | 0

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bode() yields wrong result
There is a typographical error in ‘f2’ and correcting it produces the desired result — s = tf('s'); f1 = 0.99 * 18.88; f2 ...

4 years ago | 0

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Answered
Increase outer position width while keep inner position unchanged
I am not absolutely certain what the desired result is, however here is an illustration (although the online Run feature is not ...

4 years ago | 0

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