답변 있음
How to plot multiple box plots on same graph with same size vector?
Hi, just change line 1 vol = [D1(:,1);C1(:,1)]; to vol = [D1(:,1), C1(:,1)];

1년 이상 전 | 0

| 수락됨

답변 있음
Setting 3D plot's centre at origin
try this set(gca, 'XAxisLocation', 'origin', 'YAxisLocation', 'origin','ZAxisLocation', 'origin')

1년 이상 전 | 0

답변 있음
Squeezing NaN's out of a square matrix to make a smaller square matrix
[p,q] = size(M); M(isnan(M))=[]; M = reshape(M,p-1,q) Then M = 2 1 1 1 1 3 3 2 ...

1년 이상 전 | 0

| 수락됨

답변 있음
Number of Bacteria.
Here you can use symbolic solution syms N(t) t eq = diff(N)==log(3.32)*N N = dsolve(eq,N(0)==100) N_1dot5_hour = eval(subs(N...

1년 이상 전 | 0

| 수락됨

답변 있음
How to store conditional values during iteration by using Ode45?
You can define a table to store the data including the conditional values function main t0=0; tf=15; a0=1; T = table(); gl...

1년 이상 전 | 1

| 수락됨

답변 있음
If statement in a for loop
You can do like this A = mat2cell(rand(40,40)+0.5, [10 10 10 10], [10 10 10 10]); % A is your data randomly generated, you ca...

1년 이상 전 | 1

답변 있음
I want to draw dual phase portraits in a 4x4 linear differential equation system. My codes contain 4 variables as below (x1, x2, y1, y2). For a given coefficients matrix, when
Looks like an ode function, so use matlab ode solver to solve it. Here I give an example of ode 45. A = rand(4,4); tspan = [0...

1년 이상 전 | 0

| 수락됨

답변 있음
Create cylinder roll based on height data
You need map the length and the circumference to your true cylinder. cylinder_true_length = 20; cylinder_true_radius = 5; len...

1년 이상 전 | 0

| 수락됨

답변 있음
reduce samples on a 3d array
Use interp1 my friend, if a is the 160x120x30000 data that you said. [m,n,p] = size(a); a = reshape(a,m*n,p); nSeries = p; ...

1년 이상 전 | 1

| 수락됨

답변 있음
How to convert one column of a table into numeric data type corresponding to the other column of the same table?
If you have a table T with field names genre and runtime, then genre = {'ab','a','a','o','abo'}'; runtime = [11,12,13,14,45]';...

1년 이상 전 | 1

| 수락됨

답변 있음
splitting cell array consists of string and numeric characters
Use replace S = {...}; % your n*1 cell array S = arrayfun(@(i)replace(S{i},'*',''),1:1:numel(S),'uniform',false);

1년 이상 전 | 1

| 수락됨

답변 있음
What should I do?-Array indices must be positive integers or logical values.
Hi, g(i,j) may be zero, then m becomes zero. change it like this clc clear close all a=imread('Screenshot_20210628.jpg'); ...

1년 이상 전 | 0

| 수락됨

답변 있음
Find an equation of the tangent to the curve at the point corresponding to the given value of the parameter. x=t√,y=t2−2t;t=4
syms t x0(t) y0(t) x y x0 = sqrt(t); % parametric equation for x y0 = t^2-2*t; % parametric equation for y dx = diff(x0); %...

1년 이상 전 | 1

| 수락됨

질문

What if in matlab answer, your answer is robbed by the questioner and he accepts only his all by himself
I have encountered more than twice now. In the answer community, after you answered a question, the questioner made a minor corr...

1년 이상 전 | 답변 수: 2 | 0

### 2

답변

답변 있음
How to Solve for x for 20 functions
You can get symbolic solution by syms K C V B N X eq = K*(B-X)*(N-X)-(C+X)*(V+X); x = solve(eq, X) and the final process is ...

1년 이상 전 | 0

| 수락됨

답변 있음
opening multiple excel files in different location with a loop
Try following code % Input number of sites N = input('Number of Location? ', 's'); N = str2double(N) % Loop to read all file...

1년 이상 전 | 0

| 수락됨

답변 있음
Install Curve Fitting Toolbox
Do following steps

1년 이상 전 | 3

| 수락됨

답변 있음
How to include current array from multiple for loops into csvwrite filename
Hi, try this command instead csvwrite([num2str(lat),'_',num2str(lon),'.csv'], csvdata)

1년 이상 전 | 0

| 수락됨

답변 있음
Can I use the movmean function for a time series?
timeseries不支持movmean呢，可以把对其下面的data做操作，比如 ts = timeseries((1:5)',[0 10 20 30 40]); a = movmean(ts.Data,2);

1년 이상 전 | 0

답변 있음
How do shade different area with specific y interval
Hi, Wan-Yi Chiu I add three more code lines after your code, then it works. clear x = 0:0.01:9; y = sqrt(x); y0 = y(end:-1...

1년 이상 전 | 0

| 수락됨

답변 있음
Interpolating [X Y Z V] values on cylinder surface
Actually, scatteredInterpolant function is easy to implement what you think. function plot3D(x,y,z,v,m) % scatter3(x,y,z); Tm...

1년 이상 전 | 0

| 수락됨

답변 있음
Matlab online does not save my work.
When you use matlab online to save data, all the data will be instored on this website, please check by clicking matlab driver.

1년 이상 전 | 0

답변 있음
I want to cut/crop an RGB image and paste it on different location in another image
I will show you how to copy Part of image A to a certain position of image B clc;clear A = imread('Lena.jpg'); A = imresize(A...

1년 이상 전 | 0

답변 있음
2d Unsteady state heat conduction equation using Gauss-seidel method
Hi, Rajat Powade I have checked your code carefully and I know you have used the 5-point Gauss-Seidel difference method to obta...

1년 이상 전 | 0

| 수락됨

답변 있음
How to add column (after multiplication) in file imported from excel
Then if you have new column named newColumn previousTable = readtable('...'); newTable = [previousTable, table(newColunm)]; w...

1년 이상 전 | 0

| 수락됨

답변 있음
How to write following equation with "dsolve" command?
Hi, That means There is no symbolic solution for the differential equation you give.

1년 이상 전 | 0

| 수락됨

답변 있음
how to swap some vector value?
A general answer is S = 1:100; % count = 1; copyLength = 2; % copyStep = 10; % copyStep>copyLength while count<=numel(S)-co...

1년 이상 전 | 0

답변 있음
Random values in timetable
Do by the following code data = timetable; n=1; for i = 1:5 Time = datetime('now'); Conductivity = rand(1,1); ...

1년 이상 전 | 1

| 수락됨

답변 있음
Matrix 'if' statement
If you do not want the loop, then M = 100; N = 100; [j, i] = meshgrid(1:N,1:M); q = i>j; A(q) = i(q); A(~q)=j(~q);

1년 이상 전 | 1

답변 있음
How to plot a rectangle from a single point ?
Hi, Use rectangle function rectangle('Position',[0,0,2,4]); % [x_left_down_corner, y_left_down_corner, length, width] Use a...

1년 이상 전 | 0

| 수락됨