Risposto
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)];

quasi 3 anni fa | 0

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

quasi 3 anni fa | 0

Risposto
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 ...

quasi 3 anni fa | 0

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Risposto
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...

quasi 3 anni fa | 0

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Risposto
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...

quasi 3 anni fa | 1

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Risposto
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...

quasi 3 anni fa | 1

Risposto
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...

quasi 3 anni fa | 0

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Risposto
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...

quasi 3 anni fa | 0

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Risposto
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; ...

quasi 3 anni fa | 1

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Risposto
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]';...

quasi 3 anni fa | 1

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Risposto
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);

quasi 3 anni fa | 1

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Risposto
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'); ...

quasi 3 anni fa | 0

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Risposto
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); %...

quasi 3 anni fa | 1

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Domanda


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...

quasi 3 anni fa | 2 risposte | 0

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risposte

Risposto
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 ...

quasi 3 anni fa | 0

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Risposto
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...

quasi 3 anni fa | 0

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Risposto
Install Curve Fitting Toolbox
Do following steps

quasi 3 anni fa | 6

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

quasi 3 anni fa | 0

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Risposto
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);

quasi 3 anni fa | 0

Risposto
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...

quasi 3 anni fa | 0

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Risposto
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...

quasi 3 anni fa | 0

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Risposto
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.

quasi 3 anni fa | 0

Risposto
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...

quasi 3 anni fa | 0

Risposto
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...

quasi 3 anni fa | 0

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Risposto
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...

quasi 3 anni fa | 0

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

quasi 3 anni fa | 0

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Risposto
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...

quasi 3 anni fa | 0

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

quasi 3 anni fa | 1

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Risposto
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);

quasi 3 anni fa | 1

Risposto
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...

quasi 3 anni fa | 0

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