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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 ...

mehr als 10 Jahre vor | 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; ...

mehr als 10 Jahre vor | 0

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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(...

mehr als 10 Jahre vor | 1

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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)

mehr als 10 Jahre vor | 0

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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(...

mehr als 10 Jahre vor | 0

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Beantwortet
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);

mehr als 10 Jahre vor | 0

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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)

mehr als 10 Jahre vor | 1

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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...

mehr als 10 Jahre vor | 0

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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 ...

mehr als 10 Jahre vor | 1

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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])

mehr als 10 Jahre vor | 0

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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...

mehr als 10 Jahre vor | 1

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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...

mehr als 10 Jahre vor | 0

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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); ...

mehr als 10 Jahre vor | 0

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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)...

mehr als 10 Jahre vor | 0

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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...

mehr als 10 Jahre vor | 0

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

mehr als 10 Jahre vor | 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

mehr als 10 Jahre vor | 0

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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 ...

mehr als 10 Jahre vor | 0

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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...

mehr als 10 Jahre vor | 0

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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); ...

mehr als 10 Jahre vor | 0

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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...

mehr als 10 Jahre vor | 0

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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 ...

mehr als 10 Jahre vor | 0

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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>

mehr als 10 Jahre vor | 0

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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

mehr als 10 Jahre vor | 0

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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 ...

mehr als 10 Jahre vor | 0

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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,...

mehr als 10 Jahre vor | 0

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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> ...

mehr als 10 Jahre vor | 0

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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>

mehr als 10 Jahre vor | 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'}; ...

mehr als 10 Jahre vor | 0

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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));

mehr als 10 Jahre vor | 0