回答済み
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 ...

3年以上前 | 0

回答済み
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

3年以上前 | 0

回答済み
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 ...

3年以上前 | 0

| 採用済み

回答済み
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()

3年以上前 | 1

| 採用済み

回答済み
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...

3年以上前 | 0

| 採用済み

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

3年以上前 | 0

| 採用済み

回答済み
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...

3年以上前 | 0

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

3年以上前 | 0

| 採用済み

回答済み
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]

3年以上前 | 1

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

3年以上前 | 0

回答済み
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...

3年以上前 | 0

回答済み
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

3年以上前 | 2

| 採用済み

回答済み
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;...

3年以上前 | 0

| 採用済み

回答済み
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...

3年以上前 | 0

回答済み
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...

3年以上前 | 0

| 採用済み

回答済み
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...

3年以上前 | 0

| 採用済み

回答済み
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); ...

3年以上前 | 1

| 採用済み

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

3年以上前 | 0

回答済み
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.

3年以上前 | 0

| 採用済み

回答済み
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...

3年以上前 | 0

回答済み
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...

3年以上前 | 0

| 採用済み

回答済み
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 ...

3年以上前 | 0

| 採用済み

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

3年以上前 | 0

| 採用済み

回答済み
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 ...

3年以上前 | 0

回答済み
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')...

3年以上前 | 0

| 採用済み

回答済み
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 ...

3年以上前 | 0

回答済み
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...

3年以上前 | 0

回答済み
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...

3年以上前 | 0

回答済み
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...

3年以上前 | 0

回答済み
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...

3年以上前 | 0

| 採用済み