Respondida
How to convert interval from to scalar. The problem is:
Do you mean a loop over a number of interals? k = -0.5:.05:-0.1; %(interval) for i=1:length(k) prob.Objective = k(i) * f...

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Respondida
how to convert vector char to matrix char ?
You don't need to do anything. X is already an array. X = 'ABCDEFGHIJKLMNOPQRSTWXYZ' X(2) X(1,2)

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Respondida
How can I write a magic(5) matrix to a text file with special delimiters?
x = magic(5); fid = fopen('test.txt', 'w'); fprintf(fid, '%f\n', x); % try different format here fclose(fid) type('test.t...

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Respondida
with a function y(x) how can i plot 2y(3-x)
syms x y = piecewise(x<0, 0.1*x^2, x>0, .5*x) g = subs(y, x, 2*x) fplot(g)

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Respondida
Does "insertText" not support Chinese fonts? How do I add Chinese fonts to my images?
I = imread('peppers.png'); % Find out the Chinese Fonts installed in your system % listTrueTypeFonts I=insertText(I,...

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Respondida
How do I only display the rows for when column 1 is > 0 when I have 4 columns with corresponding data to the first column
a = [-0.00502163330810033 -0.00535602354270113 -0.00175905055456396 -0.00195122013126169 0.0191518806112861 0.02329682192...

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Respondida
Bubble sort error line 1
You code can run. if you use "input", key in the following "[1 3 2 5 2]" without quotes. %cases = input('Enter cases with [ ] ...

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Respondida
How to plot a piecewise function on Matlab?
You can try the another function. syms f(x) f(x) = piecewise(x<=5, 1-sqrt(5-x), 5<x<7, 1, x>=7, 1-sqrt((x-7)/3) ) fplot(f, [0...

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Respondida
"Fixed point" binary sequence for values between 0 and 1
% Given x in [0, 1) x = 0.5234567 % Number of bits in binary (bits after .) n = 32; b = dec2bin(x*2.^n, n); b=['0.' b]

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Respondida
finding the max number?
x=[1 3 5 7] y=x.^2+5 % use .^ here [~, idx] = max(y) % idx the where y is the max x(idx) ...

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Respondida
I need to find the length of an array for values > 0
a = [1 2 0 3 -1 2 0]; n = sum(a~=0)

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Respondida
Partial pivoting row swapping
a=[1 4 3 5;2 0 2 6;1 1 0 5;1 2 3 4]; b=[5;6;7;10] ab=[a b] for i=1:size(ab, 1)-1 % pivoting [~, imax] = max(abs(ab(...

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Respondida
Right align text in subtitle
figure; plot(randn(10,1)) t = title({['\fontsize{14}','First line']; ... ' '}, ... 'FontWeight','Normal'); axPo...

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Respondida
m=1:24*(T^-1);
T = 2 % Given a number T T^-1 % T^-1 is 1/T m=1:24*(T^-1) % m is from 1 to 24/T=12 with default step of...

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Respondida
What is the easiest way to remove a vector from a matrix?
a = magic(4); a = [a; a(1, :); a]; % 1st 5th and 6th rows are the same a y = a(1, :); % the vector inpu...

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Respondida
Issues with contour plot of f(x, y) = x/y.
You just need to remove the level=0 which result in x=0 (not y=0) being plotted. x = -5:.1:5; y = -5:.1:5; [X,Y] = meshgrid(x...

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Respondida
reading 10 values randomly from txt file
% Generate the text file n = 200; % 5000 x = randi(100, n,1); fout = fopen('test.tx', 'wt'); fprintf(fout, '%f\n', x)...

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Respondida
Can someone please help! I cannot plot this graph.
x=[-0.1:.001:0.1]+eps; % your original x has only 1 point without the step. % In addition, x can be zeros abd the y is not d...

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Respondida
Adding sequence of data
a=[1 2 3 4 5 6]'; c = sum(reshape(a, 2, []))

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Respondida
Plot date labels in x-axis
xData = ["01/22" "01/23" "01/24" "01/25" "01/26" "01/27" "01/28" "01/29"] yData = [557 655 ...

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Respondida
How can i create this specific matrix??
i=3; j=4; A = kron(eye(j), ones(1,i))

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Respondida
Dynamic colorbar change with window size corresponding with different data area
You can use the callback function of zoom to customize what you want. z = peaks(200); hi = imagesc(1:200, 1:200, z); colorbar...

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Adjusting width of horizontal colorbar
ax1 = gca; imagesc(peaks(80)) hcb=colorbar('SouthOutside'); ax1Pos = ax1.Position; pos = hcb.Position; pos(4) = 0.5*pos...

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Respondida
How to set the order in iircomb filter?
The order of the IIR notch filter (using iircomb) is determined by the number of notches (equal to filter order plus 1). The sa...

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Respondida
How to check adjacent data with logical indexing?
A=magic(5) idx1=A>20 idx1_right = circshift(idx1,1,2) idx1_left = circshift(idx1,-1,2) idx2 = idx1 & (A(idx1_left)>18 | A(...

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Respondida
How to catch 'not enough input arguments' error?
Use try-catch: try spn=spans(index) catch whos index % show the inforamtion of the variable index disp(index)...

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Respondida
How can I find a section of a graph?
% plot the curve t = 0:.1:5; x = cos(2*pi*3*(t-2.5))./(1+(t-2.5).^2*2); plot(t, x, 'b-'); % peak around 2.4-2.6 idx = find(...

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Respondida
Rectangular Box plotting from four co-ordinate
caustom_plot=plot(x_points([1:end 1]),y_points([1:end 1]),'k','Linewidth',2);

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Respondida
I need help to how to solve this
r_shape = [-1 0; 0 -1; 1 0; 0 1]; t_shape = [-0.5 -0.866; 1 0; -0.5 0.866]; plot(r_shape([1:end 1], 1), r_shape([1:end 1], 2)...

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Respondida
Step response error when using step
Make the system casual (output does not depend on future input) before using step: s=tf('s'); sys=((-1.0024*(s+55.86)*(s+0.498...

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