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Speech processing. voice signal
See if the buffer function will do what you want.

5 jours ago | 0

Answered
Can not run function, written wrong?
The order is reversed. The ‘x’ variable needs to be assigned before calculating ‘y’, since ‘y’ depends on ‘x’.

5 jours ago | 0

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Answered
Parameter fit differential equation to dataset
I have discussed this several times over the years. See for example Monod kinetics and curve fitting and Parameter Estimation f...

5 jours ago | 0

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Answered
How can I rearrange a table with different types of data?
See if the unstack function will do what you want.

5 jours ago | 1

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I need help to modify my optimization code
Note that in the ‘% Parameters’ section, you are creating new random numbers in every call to ‘objective_function’. The optim...

6 jours ago | 0

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Answered
How to convert XLim day data to monthly?
Since you’re using datetime arrays, using the xtickformat function and specifically using 'MM' or 'MMM' as described in the date...

6 jours ago | 1

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how do i spread ticks evenly on a plot?
That is plotted as a loglog plot. Either just use plot, or: set(gca, 'XScale','linear', 'YScale','linear') For that partic...

6 jours ago | 0

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Damped harmonic motion curve fit
Try this: D = load('Stashu Kozlowski DHM.mat'); % File Attached x = D.x; y = D.y; ...

6 jours ago | 1

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Answered
How to show nearest value of a separate function with known x and y inputs
It seems to me that you are attempting to invert your data, that is calculating an ‘x’ value from a ‘y’ value. The easiest way ...

6 jours ago | 0

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I am trying to write formulas involving specific values from the table by quoting specific row and column names
You appear to have imported the file correctly with readtable. All readtable is telling you in the Warning is that it had to cr...

6 jours ago | 0

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How to change the ylim for all histogram figures after a for loop?
I can’t run your code (no data), so I simulated it. This seems to work: for k = 1:12 figure(k) H = histogram(rand...

6 jours ago | 0

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Answered
Finding average step size and slope with ode45
Subscript ‘dT’ as well. The code will be more efficient if you move the plot outside the loop: t = [0, 5]; % time span y0...

6 jours ago | 0

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Answered
How to save ode45 outputs in a loop?
The easiest way would be to save them as cella rrays, then sort those out later: for j = 1:7 [T{j},Y{j}] = ode45(dydt, t,...

6 jours ago | 0

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Answered
Genetic Algorithm chart convergency
It does converge to the best fitness value. The ga algorithm will keep searching for the best fitness value until it reaches wh...

6 jours ago | 0

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Answered
Laplace of Constant a
You must tell the laplace function what the independent variable and transformation variable are. It has no way of knowing, oth...

7 jours ago | 1

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Answered
How can I design flat magnitude response IIR filter ?
I am not certain what you want the filter to do. One option is to design a lowpass filter with a cutoff near the Nyquist freque...

7 jours ago | 0

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Missing plot line and legend mismatch
Note that ‘By’ is a scalar, so it actually will not appear on the plot (unless you plot it with a marker). They will all plot a...

7 jours ago | 0

Answered
Using rows of matrix as elements in a new matrix.
Try this: M = [1:12; rand(1,12)]; % Original Matrix n = 50; xnew = linspace(min(...

7 jours ago | 0

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Polyfit not showing a curve
You aren’t finished evaluating the fit. You need to use polyval to evaluate it. Try this: % store coordinates x = [5.2 5....

7 jours ago | 0

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Answered
discrete low pass in an array
You willl first need to use the resample function to create uniform sampling intervals for your data. Then there are any number...

8 jours ago | 1

Answered
Interp1 returns NaN for a value
You could have NaN values in your data. If so, first use the fillmissing function (R2016b and later reseases), then interp1.

8 jours ago | 0

Answered
Fourier Series Expansion Graph Help
If you want to plot them beginning at 0, remember to tell fplot: figure fplot(s,[0 L]) hold on fplot(f,[0 L]) That will s...

8 jours ago | 0

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Answered
problem while using 'intersect' between strings
The letter ‘l’ appears twice in both strings, so is only returned once in the intersect result. Yopu will get a similar resul...

8 jours ago | 0

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Answered
How to change the legend color?
First, create a handle to the legend object, then change whatever properties you want using the options in Legend Properties. ...

8 jours ago | 0

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Answered
I need help with this
See the documentation section on Data Import and Export and Data Import and Analysis.

8 jours ago | 1

Answered
"Busy" in command window, doesn't respond
This occurs with large data sets, infinite loops, or slowly-converging optimizations. The first option is to use CRTL+C to in...

8 jours ago | 0

Answered
How to use ode45 on a second-order ODE, but without a function file (just one script)?
You are almost there! Try this: dydt = @(t,y) [y(2); eps*((y(1)^2) - 1)*y(2) - y(1)]; ic = [1 1]*eps; tspan = [0 10]; ...

8 jours ago | 0

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Answered
Finding change in a large dataset
The ischange function needs to be told what you want it to do. D = load('Kdata.mat'); y = D.rel_P_set_200; x = 1:numel(y); ...

8 jours ago | 0

Answered
How do I make gaps in missing data plot lines?
It would be easier with your data. One option is to fill the missing entries with NaN values: x = [1:10 15:20]; ...

9 jours ago | 0

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Answered
How can plot individual mode shapes of a cantilever beam with a tip mass?
You need to use element-wise operations (.* for element-wise multiplication instead of * that is used for matrix multiplication)...

9 jours ago | 1

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