Les Beckham

Last seen: Today | 2013 年からアクティブ

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Many years developing flight control algorithms and software

Programming Languages:
C++, C, C#, MATLAB, Assembly
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Creating Plot with 2 Y-Axis
No there is no way to do that without some manual coding (if only on the command line). But it isn't hard. Here's a simple exam...

4日前 | 0

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Force 0 tick to appear in a scatter plot
clc, clear, clf n = 0:10; f = n.^2; scatter(n,f, 'k', 'filled') xlim([-1,11]), ylim([-10,120]) ax = gca; ax.XAxisLocation =...

4日前 | 1

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Logical operator not evaluating correctly
I would do this in separate steps. X = randi([-20, 20], [1 15]) Y = zeros(size(X)); Y(X < -5) = -1; Y(X > 5) = 1

5日前 | 0

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Why are tick marks only on one axis when I change the tick spacing?
Try yticks(-4:0)

5日前 | 2

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Find exceeds array ERROR
One obvious problem with this code is where you try to access pairs(pr,2) but pairs is a one dimensional (4x1) vector. Perhaps ...

8日前 | 0

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one time pad plus randstream
Assuming that the random part of the algorithm is generating the code character vector as you said in one of your comments, some...

11日前 | 0

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how to get no of samples?
If you want a specific number of samples between two endpoints, use linspace instead of the colon operator: n = linspace(9.45, ...

12日前 | 1

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Next value in alphabet
A simpler approach: char('c' + 1)

12日前 | 1

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Trying to generate subplot figure
It looks like you have created a variable named figure. Type the following command at your command prompt: which -all figure ...

19日前 | 0

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Save generated text file to user specified path
You can use uigetdir to open a dialog and allow the user to browse for the folder in which to save the file. Read the documenta...

20日前 | 1

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Syntax for pyrunfile with multiple output variables?
This is the way to do that (note that ["A" "B"] is a string array as specified in the documentation for that argument): [A, B] ...

21日前 | 0

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Syntax for pyrunfile with multiple output variables?
Did you try this? [A, B] = pyrunfile("pytorch_model.py", ["A" "B"], X=Xpy, y=ypy) Note that ["A" "B"] is a string array as spe...

21日前 | 0

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How to shift experimental data (not a function) in a loglog plot?
Instead of adding an offset, multiply to shift the data. I used a factor of 10 as an example. x = [0.015 0.02 0.05 0.1 0.2...

26日前 | 1

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Floating-Point to Fixed-Point Conversion of IIR Filters
The Name=Value syntax for name/value pairs of function arguments only works in r2021a and above. So, changing this: biquad = d...

28日前 | 0

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The Y(:,81) changes linearly with respect to T, I want to modify my code in such a way that when Y(:,81) reaches 2.5E-6 then after that it remains constant through out with T.
Over 100 lines of code to draw a straight line? This plot (with the maximum Y limit applied) can be made in 8 lines of code: T...

28日前 | 0

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How can I write the coordinates of this geometry?
You don't need a loop. h = 10; th = linspace(pi/2, -pi/2, 100); R = (h/4); %or whatever radius you want x1 = R*cos(th) ; y...

約1ヶ月前 | 0

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need script to create a block scenario
If you only want to draw a 3x3 grid of 1x1 squares this is pretty easy (see below). If you want the 0.75x0.75 and 0.5x0.5 squar...

約1ヶ月前 | 0

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How to approximate float function by integer numbers?
I'm assuming you want to replace the floating point calculation with an integer one? I'm not sure how that is going to "spare s...

約1ヶ月前 | 1

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How do you create a plot of a function using fplot?
Maybe you want ezplot instead of fplot. Your anonymous function definition syntax is wrong as well. Try this: f = @(t) 5*t.^2...

約1ヶ月前 | 0

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How to Set Up If/Else Statement with Condition of Seeing if Item in Structure Array is a Table
I suggest the istable function. Documentation is here

約2ヶ月前 | 0

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I want to open a tab-delimited XY text file in matlab, use the numerical values of the XY columns to create a matrix and plot the signal.
T = readtable('https://www.mathworks.com/matlabcentral/answers/uploaded_files/1230202/220812_WT_MO_H134R_EA_1391%20015.txt') sc...

約2ヶ月前 | 1

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adding a colormap('jet') to my grapgh please help me
center=[0,0]; %Defining the center of circle ((origin)) %Plotting the first circle at different radius and here i choose from ...

約2ヶ月前 | 0

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A table of s versus t.
r=9; omega=100; b=14; t = linspace(0, 0.01, 20) % <<< use linspace instead to generate your t vector % remove the (t) on the...

約2ヶ月前 | 0

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Sorting a string according to the values of a vector of type double
It should be as simple as this unless I misunderstand what you are expecting. A = [1.1 2.3 4.4 2.3 5.1]; vegetables = {'carrot...

約2ヶ月前 | 0

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two while loops running at same time
You can't code them as separate loops and have them run "at the same time". Depending on how you want the timing to work, you s...

約2ヶ月前 | 1

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Rounding a decimal down
x = [0.143 0.147]; floor(x*100)/100

約2ヶ月前 | 1

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Why a condition like If (~Input) changes to a complex condition with ternary operator ?
So, the original condition if (~Input) is C code and not Matlab code? If so, you should use the logical not operator which is !...

2ヶ月前 | 0

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Using the listdlg function
You probably just need to wrap your switch/case processing in a for loop. For example: s = listdlg('ListString', {'One', 'Two'...

2ヶ月前 | 1

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anticlockwise points coordinates sorting
A = [0 0 ; 1 0.2; 0 1 ; 0 0.6; 1 0 ; 1 1 ; 0.6 1; ...

2ヶ月前 | 1

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How to use subplot in a UIFIGURE?
When you post a question that states that you are getting error(s), you should post the complete text of the error message (ever...

3ヶ月前 | 0

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Les Beckham

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