Risposto
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 ...

oltre 9 anni fa | 18

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Risposto
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; ...

oltre 9 anni fa | 0

Risposto
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(...

oltre 9 anni fa | 1

Risposto
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)

oltre 9 anni fa | 0

Risposto
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(...

oltre 9 anni fa | 0

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Risposto
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);

oltre 9 anni fa | 0

Risposto
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)

oltre 9 anni fa | 1

Risposto
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...

oltre 9 anni fa | 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 ...

oltre 9 anni fa | 1

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Risposto
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])

oltre 9 anni fa | 0

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Risposto
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...

oltre 9 anni fa | 1

Risposto
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...

oltre 9 anni fa | 0

Risposto
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); ...

oltre 9 anni fa | 0

Risposto
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)...

oltre 9 anni fa | 0

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Risposto
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...

oltre 9 anni fa | 0

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

oltre 9 anni fa | 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

oltre 9 anni fa | 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 ...

oltre 9 anni fa | 0

Risposto
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...

oltre 9 anni fa | 0

Risposto
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); ...

oltre 9 anni fa | 0

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Risposto
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...

oltre 9 anni fa | 0

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

oltre 9 anni fa | 0

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Risposto
"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>

oltre 9 anni fa | 0

Risposto
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

oltre 9 anni fa | 0

Risposto
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 ...

oltre 9 anni fa | 0

Risposto
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,...

oltre 9 anni fa | 0

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Risposto
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> ...

oltre 9 anni fa | 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>

oltre 9 anni fa | 0

Risposto
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'}; ...

oltre 9 anni fa | 0

Risposto
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));

oltre 9 anni fa | 0