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Not enough input arguments error
% Call the function [tVec,xVec]=fxNthOrderPolysignal([0 10], [1 2 3 2 1]); % Define the function in the same file or separate ...

quasi 2 anni fa | 0

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I want to shift vector values one by one to the left
num=[1 1 1 0 0 0 0 0] for i=1:3 num = circshift(num, -1) end

quasi 2 anni fa | 0

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import text file using importdata
You data format is a special format. You can consider to read them as text and then extract individual information. Otherwise ...

quasi 2 anni fa | 0

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How to use the @ function calling when the function is defined as a variable?
MyfunctionStr='rand'; %'runf' Myfunction = str2func(MyfunctionStr); %[x,y,z]=@Myfunction x = Myfunction()

quasi 2 anni fa | 1

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How to extract a string before a number?
str = 'abcd-xyzw-1.2.3.zip'; str2 = 'abcd_xyzw_2.3.1.zip'; idx = regexp(str, '\d'); sub_str = str(1:idx(1)-1) idx = rege...

quasi 2 anni fa | 0

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Create text variable from one other
% Use char array Text = "Alex" Text1 = char(Text); Text2 = string(Text1(1:2:end))

quasi 2 anni fa | 0

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why the figure of cos function does not symmetric around y axis?
p=[ ( 0.9000 - 0.0010i) (0.4243 + 0.0017i) (0.1000 + 0.3000i) ]; p1=[(0.9000 + 0.0010i) (0.2121 - 0.0008i) (0.1000 - 0.3000i...

quasi 2 anni fa | 0

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Chage elements of a matrix
Matrix = ones(5,4) n = numel(Matrix); Matrix(1:2:n) = randn(size(1:2:n))

quasi 2 anni fa | 0

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How to create vector which is linear combination of a matrix
M = [1,2,3; 4,5,6; 7,8,9] vec= sum([2*M(:,1) 3*M(:,2) 4*M(:,3)], 2) % Alternatively vec =M*[2; 3; 4]

quasi 2 anni fa | 1

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Creating vector from a matrix
A = randn(3:4) v = A(1:2:end)'

quasi 2 anni fa | 0

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Code to input function
% fstr = input("Key in a function of x (eg. x.^2 + 2*x - 1): ", "s") fstr = "@(x) x.^2 + 2*x - 1"; % This is for on-line matl...

quasi 2 anni fa | 0

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Min between integer and empty array
X = [1,2,3,4,10,11]; Y = [1,2,3,4,5]; indice = min([find(X>10,1),find(Y>10,1)]) % use brackets

quasi 2 anni fa | 2

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my rand operation is applied correctly, I think but it's not working.
Check out the line: dOdt(i) = o(i); %o(1,:); ti = 0; tf = 10E-3; tspan=[ti tf]; y0=[1; 1; 0; 1; 1; 0; 1; 1; 0; 1; 1;...

quasi 2 anni fa | 0

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Write data into existing PowerPoint Table
https://www.mathworks.com/help/rptgen/ug/update-presentation-content-programmatically.html Check out the above link in document...

quasi 2 anni fa | 0

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Why the image size changes after saving it to hard drive?
[o p q]=size(outputImage) % The above shows the size of the outputImage o =256, p=64, q=3 [o p q]=size('AA.jpg') % The above...

quasi 2 anni fa | 0

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Real solution for a variable in an equation
V_plc=0.19; Kf=0.18; Kc=0.1; Kp=0.15; Kb=0.4; Kh=0.05; tau=0.18; Ktau=0.045; Vs=0.002; Kbar=1.5e-5; Ks=0.1; Vpm=1.59e...

quasi 2 anni fa | 0

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Change marker and hide confidence bounds in Plotting multiple linear regression (fitlm)
load carsmall X = [Weight,Horsepower,Acceleration]; % Fit a linear regression model by using fitlm. mdl = fitlm(X,MPG); ...

quasi 2 anni fa | 1

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Perpendicular distance beween two 3D points
d = sqrt((x1-x2).^2 + (y1-y2).^2); % it does not depend on z

quasi 2 anni fa | 0

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The first argument must be a string array, character vector, or cell array of character vectors
You need to convert DecOriginTime into string that has similar format as MissingTimeList.

quasi 2 anni fa | 0

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I want to find the number of decimal places, and my code is perfectly fine. But for some reason, when my value is 0.888, the length of the decimal is returned as 16.
MATLAB use IEEE double precision format for default numeric type. https://en.wikipedia.org/wiki/IEEE_754 The number of signifi...

quasi 2 anni fa | 0

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How to change selected pixels color value to 0?
% Get an indexed image Im = imread("peppers.png"); [Im, cmap] = rgb2ind(Im, 256); %whos pval = [ 231 71 115 207...

quasi 2 anni fa | 0

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How to use if and else statement for different tilmestep
Looks like you need to specify time(t) to be different values insead of a constant. q=[ 0.000585366 0.015219512 ...

quasi 2 anni fa | 0

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How to plot the average of the graphs ?
load(websave("SampleData", "https://www.mathworks.com/matlabcentral/answers/uploaded_files/1110305/Sample%20data.mat")) %whos ...

quasi 2 anni fa | 0

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3D plot, draw (X,Y,Z,value)
You can use scatter3 with marker size/color to represent value, though it is not a contour. xyzv = [ 1 1 0.000 1.000 ...

quasi 2 anni fa | 0

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Plot multiple edge sets on one graph?
% Create a graph A = magic(4); A(A>10) = 0; names = {'alpha' 'beta' 'gamma' 'delta'}; G = digraph(A,names,'omitselfloops')...

quasi 2 anni fa | 0

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Display colorbar with evenly spaced tick intervals but unequal difference between tick values
image h=colorbar; % change ticks and ticklabels to the values you want h.Ticks=[0 10 20 30 40 50 100 200 255]; h.TickLabels ...

quasi 2 anni fa | 0

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I want to draw this step function by script code.
t = linspace(0,11)'; x = square(t*0.25*2*pi); min(x) plot(t,x) ylim([-1.1 1.1]) % Manually specify the points t = [0 5 5...

quasi 2 anni fa | 0

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Read the audio file given to you and play it from Matlab. Find the number of samples in the audio file (just the length of the array!) and the sampling rate.
Read the audio file given to you and play it from Matlab. doc audioread Find the number of samples in the audio file (just th...

quasi 2 anni fa | 0

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does 'VPA' changes the type of a data variable ?
vpa(x) uses variable-precision floating-point arithmetic (VPA) to evaluate each element of the symbolic input x. The input to x...

quasi 2 anni fa | 0

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Cell input to ode45 function
You can take all variables as an vector instead of cell array. For example, y = [X(t), S_1(t), ... S_7(t), P(t), V(t)]'. Then...

quasi 2 anni fa | 0

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