Answered
Generates a sawtooth wave with amplitude of 1 unit, a frequency of 2 Hz or (4pi radians per second) and a phase shift of pi/4 radian.
% amplitude amp = 1; % fundamental frequency f = 2; % time span of 10 periods T = 10/f; % phase shift theta = pi/4; % sa...

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Answered
Selection by circular indexing
function y = circularSelect(v, a, b) N = length(v); idx = a:b+N*(b<a); idx(idx>N) = idx(idx>N)-N; y = v(idx); end

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Answered
how to plot group delay with respect to omega_1 and omega_2 for 2-D dimensional digital filter
Use grpdelay. A built-in Matlab function.

nästan 3 år ago | 0

Answered
how to interpolate for increasing - decreasing type of data set
The function interp2 performs interpolation for 2D gridded data. It has the form Vq = interp2(X,Y,V,Xq,Yq), where X and Y contai...

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Answered
What is the result of the following command? x = 5 : -2 : 1
Your command has the form: x = x1:stp:x2, where x1 is the starting value, x2 is the end value, and stp is the step. Applying tha...

nästan 3 år ago | 0

Answered
how to detect circles in the provided .bmp image?
Read Detect and Measure Circular Objects in an Image

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reading specific lines from a .txt file
Use readmatrix and specify the 'Range' option. Assuming that you have a one-column txt file, you can use the following: A = rea...

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In table, how to count a number of specific values by year?
year = [repmat(2018, [3,1]); repmat(2019, [13,1]); repmat(2020, [4,1])]; win = [1;2;0;0;1;0;2;0;2;1;0;2;1;1;1;2;2;1;2;0]; T = ...

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Answered
Is there any clear explain and simple how to decide what is the best frequency resolution and how to chose the window size for this signal
The question is unclear. If you are asking about the number of points in your signal (i.e., number of samples), then it is sim...

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Question


How can I set the labels of multiple axes without iteration?
Hello all, I have a figure with multiple uipanels, each with its own axes. How can I set the labels of all the pannels' axes at...

nästan 3 år ago | 1 answer | 0

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Find Elements in Range
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S-T-R-E-T-C-H I-T O-U-T
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Let the input is A = {[] [] [] [1] []}; B = {'A','B','C','D','E'}; Mapped Output = 'D';

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Sorting integers by their digits (Level 4)
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Assignment Problem
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generate number in particular way
A = [1 5 2 7]; MAX = 10; generate a array Y = [1 2 2 2 2 2 3 3 4 4]; i.e. total eleme...

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Sorting integers by their digits (Level 2)
This is the next step up from <http://www.mathworks.com/matlabcentral/cody/problems/42809-sorting-integers-by-their-digits Probl...

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Sorting integers by their digits (Level 1)
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Find last non-zero in a given dimension
You are given a logical matrix *BW* _of any dimension_, and a dimension *dim*. You need to find the locations of the last non-ze...

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Find the sum of the elements in the "second" diagonal
Find the sum of the elements in the diagonal that starts at the top-right corner and ends at the bottom-left corner.

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Zero Cross
Write a function that counts the number of times n a signal x changes sign. Examples x = [1 2 -3 -4 5 6 -7 8 -9 10 11] ...

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