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Finding maximum value and it's location from the matrix
Try this: K = [... 8 16 -16 -8 -16 16 -20 -40 40 18 2 -6 -18 -2 6 -45 ...

대략 11년 전 | 18

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how do i put iteration values into a vector?
X = 0; xold=x0; xa=x1-(f(x1)*(x1-xold))/(f(x1)-f(xold)); iter=0; X(iter + 1) = xa; while abs(xa-xold)>=D; ...

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How do I change color of a text in a given subplot?
you can change text color as follow: x = -pi:.1:pi; y = sin(x); plot(x,y) text(-pi/4, sin(-pi/4), '\leftarrow sin(...

대략 11년 전 | 2

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how to draw two graphs on same figure in matlab
x1 = 0:10; y1 = randi(100, 1, numel(x1)); x2 = 0:100; y2 = randi(100, 1, numel(x2)); plot(x1, y1, x2, y2)

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Why won't MATLAB see the two strings that I am comparing as equal?
replace m with v in your last if-else structure as follow: if isequal(v,'m^3') p2 = p1; elseif isequal(...

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to save time the mistake is in this line how can i solve it
perhaps * or / is missing omega=(pi/tmax)*(0:nt/2-1) .* or ./ (-nt/2:-1);

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I have data point which fits the line y=mx+c ? How can I write code for this?
write as follow x = 0:100; m = 3; c = 4; y = m * x + c; plot(x, y)

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How do I fit a sinusoidal curve to data? Trouble with fitit
you can try curve fitting tool for this purpose. See doc cftool And you can try different kind of curve fittings by you...

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How to increment a vector
you can do it in a loop as follows: A = [0 0 0 0]; B = [0 0 0 0]; lim = 0.999; inc = 0.001; count = 1; tic ...

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How can connect two point in plot graph?
yes. see: x = [0, 1]; y = [0, 5]; plot(x, y, '*-'), xlim([-1 2]), ylim([-1 6])

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How to plot a text data column from an excel file in MATLAB?
you can do it as follows: [num, txt, raw] = xlsread('filename.xlsx', 1); plot(num) set(gca,'Xtick',1:numel(num),'XTic...

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I feel like my code is too long for what it tries to do, how can I make it shorter?
you can reduce it as follow: function YourFunctionName a = 4; b = 0.5; StepSize = [0.5, 5, 10]; for x = 1:numel...

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I have 6 hourly data set , with 4 entries for a day, 6,12,18,24. I want a daily data set with a single data for a day, Time series is given below
you can do it as follow: fid = fopen('filename.txt'); a = textscan(fid, '%f%f%f%f%f%f%f'); % read file fclose(fid); ...

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i need matlab code for 50 random user locations, 8 Access Points and 1 Base Station on one plane....using m file
you can do it like this: figure('Color', 'white') UserLocationX = randi(50, 1, 50); UserLocationY = randi(50, 1, 50)...

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How do I eliminate strings with length < 3 from cellarray
try this: days = {'Monday', 'M', 'T', 'Tuesday', 'Wednesday', 'Thursday', 'Friday'}; count = 1; for i = 1:length(days...

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Replacing non-integer values
If *'a'* is your array then use the following: a(arrayfun(@(x) ~isinteger(x), a)) = 0;

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How can I set the value of Extrapval in interp2?
you should use value *0* *or* *255* for *extrapval* depending upon the image intensity values you are dealing with

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How to set that image to 0 (false) at those locations, instead of plotting a marker over them? That would break it apart.
try this: n = 50 ; A = double( rand(n, n+1) > 0.5 ) ; B = 2*A - 1 ; patterns = {[1 0 1; 0 1 0; 1 0 1]; ... % X ...

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represent symbolic toolbox as a string
try this: syms r theta phi x=r*cos(theta)*cos(phi) y=r*sin(theta)*cos(phi) z=r*sin(phi) Array1 = ch...

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I need to repeat two signals combined periodically as a single curve in matlab
you can do something like this: for i = 0:4 * pi:16 * pi t1 = linspace(i, i + 2 * pi, 100); y1 = sin(t1); ...

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How can I find maxima and minima points of intensity plot of one row of an image?
you can use max(i) % to find maximum value in a row/column vector and min(i) % to find minimum value in a row/col...

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missing value in TEXT file in matlab
For importing text type data you can use different functions like: textscan dlmread importdata fscanf fread ...

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"Meshgrid" in more than 3 dimensions?
ndgrid is useful for you. See following link for more information: <http://www.mathworks.com/help/matlab/ref/ndgrid.html>

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How to set all elements in a 2D Matrix between two indices to "1" in each row
you can do it as follow: for i = 1:size(A, 1) idx = find(A(i, :)); A(i, min(idx):max(idx)) = 1; end

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How to convert a matrix of double to int?
you can do it as follow: a = randi(100, 4); a = int64(a); see following link for more information about integer data ...

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Call one array from a large array made up of several others
you can do it fi you store your arrays A, B, C and D in cell array Z as follows: Z = {A, B, C, D}; then you can treat A,...

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Is there a functional approach to terminate running matlab script or function (similar to pressing Control+C)?
you can use 'quit' or 'exit'. See folowwing links for more information: <http://www.mathworks.com/help/matlab/ref/exit.html> ...

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How to clear persistent variables?
you can use: clear YourVariableName see for more information: <http://www.mathworks.com/help/matlab/ref/clear.html>

대략 11년 전 | 0

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Max sum of array elements with condition
you can do something like this: Matrix{1,1} = {'start index'}; Matrix{1,2} = {'end index'}; Matrix{1,3} = {'sum'}; ...

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How to read complex number from a *.csv file?
you can do it as follows: [num, str, raw] = xlsread('filename.csv'); a = str2num(cell2mat(raw));

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