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# Navid

Last seen: 28 days ago Active since 2023

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Question

How can I resolve the error message saying, "Error using surf. Data dimensions must agree"?
Hello, I am encountering an issue with the Morse wavelet while running the following code. I received an error message statin...

3 months ago | 0 answers | 0

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Question

Why do I get unequal wavelet coefficients when using different syntaxes in continuous wavelet transform?
Hi, I have used the given syntaxes to perform a continuous wavelet transform on a desired signal. Syntax number 1: [temp_cfs,...

3 months ago | 1 answer | 0

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Question

How can I use various colors to fill the area under a normal distribution curve?
Hi, I obtained a probability distribution for my data using the following syntax: h = histfit(data); and then: pd = fitdist(d...

5 months ago | 3 answers | 0

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Question

How can I rotate the axes' labels parallel to the orientation of the axes?
Hi. I would like to know how to rotate labels and keep them centered with their orientation. Please see Fig 1. This figure is th...

5 months ago | 1 answer | 4

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Question

How can I resolve the subscripted assignment dimension mismatch error (for the cwt plot)?
Hello, I have an issue with the syntax used for the wavelet plot. The syntax used is: [cfs(:,i), f(:,i)] = cwt(signal(:,i),fs(...

5 months ago | 1 answer | 0

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Question

How can I display axis ticks when using fill syntax?
Based on Figure 1, the axis ticks (bottom horizontal and right vertical) are hidden when using the fill syntax for my plot. Coul...

5 months ago | 1 answer | 0

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Question

How can I add a horizontal dashed line with a text description above it to a specific coordinate?
Dear all, I would like to inquire about the process of adding a horizontal dashed line with a text description above it to a spe...

5 months ago | 1 answer | 0

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Question

Why are complex values obtained for the below function (x) in the if condition?
Hi there! I'm facing an issue with the below function. The function is supposed to generate values for x that are not imaginary....

5 months ago | 2 answers | 0

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Question

How can I fill the area under a curve with different colors?
Hi. I want to inquire about filling the area under a curve with distinct hues. Your assistance with this matter would be greatly...

5 months ago | 3 answers | 0

### 3

Question

How can I get a two-dimensional contour line graph from Wavelet Time-Frequency analysis?
Hi, How can I obtain a visualizing scalogram similar to that shown in Figure 1 using Wavelet Time-Frequency analysis? Figure ...

5 months ago | 1 answer | 0

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Question

Is using alphabetical characters in the area (x,y) syntax possible?
Is using alphabetical characters instead of numeric arguments as x-variables in the area (x,y) syntax possible?

6 months ago | 1 answer | 0

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Question

How can I use Excel sheet names as variables in the area (x, y) syntax?
Hi there. How can I use Excel sheet names as x-variables in the area (x,y) syntax?

6 months ago | 1 answer | 0

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Question

How can I print the mean and standard deviation in the histogram plot?
Hi there Dear all, I used the syntax below to plot the histogram: h = histfit(x) A probability distribution is also obtained ...

6 months ago | 3 answers | 0

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Question

Trouble with for loop to determine the discrete wavelet transform (DWT)
Hi, I need assistance plotting the approximation (A) and detail (D) coefficients separately for all sheets in an Excel file over...

6 months ago | 0 answers | 0

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Question

How can I find the appropriate level for determining the total wavelet energy?
As it is known, after determining the energy density function from: E(a,b) = |C(a,b)|^2 The total wavelet energy (TWE) is dete...

7 months ago | 0 answers | 0