Answered
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]';...

2 years ago | 1

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Answered
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);

2 years ago | 1

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Answered
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'); ...

2 years ago | 0

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Answered
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); %...

2 years ago | 1

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Question

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...

2 years ago | 2 answers | 0

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answers

Answered
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 ...

2 years ago | 0

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Answered
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...

2 years ago | 0

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Answered
Install Curve Fitting Toolbox
Do following steps

2 years ago | 5

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

2 years ago | 0

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Answered
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);

2 years ago | 0

Answered
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...

2 years ago | 0

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Answered
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...

2 years ago | 0

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Answered
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.

2 years ago | 0

Answered
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...

2 years ago | 0

Answered
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...

2 years ago | 0

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Answered
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...

2 years ago | 0

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

2 years ago | 0

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Answered
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...

2 years ago | 0

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

2 years ago | 1

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Answered
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);

2 years ago | 1

Answered
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...

2 years ago | 0

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Answered
How to reference previous value in an array without a for loop?
use i=2:size(data,1); data.Var3(i)=interp1(ref_data.x,ref_data.y,data.Var2(i))-interp1(ref_data.x,ref_data.y,data.Var2(i-1...

2 years ago | 1

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Answered
how to find the find the different rows in 2 matrices based on 2 conditions?
% I just try my best to catch your idea by looking at your words, my engish % is not so good but I want to help you with this p...

2 years ago | 0

Answered
How to sort a 3D matrix according to the value of each element?
I think you want make something gif to show how the numbers are sorted? % sort show % show bubbling clc;clear % load('Number...

2 years ago | 0

Answered
How to display the output as table shown below?
You can use a table to achieve the output Node = reshape(permute(z,[1,3,2]),numel(z)/size(z,2), size(z,2)); Nodenumber = char ...

2 years ago | 0

Answered
Read in numbers as text from excel
IF in excel, a number with high precision is not stored with text format, it cannot be read by readcell with string format for h...

2 years ago | 0

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Plotting 4D function
In the finite element analysis, you have the coordinates of nodes and elements for node order. Also, to each node, the attached ...

2 years ago | 0

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Answered
High dimension matrix summation: a + b != b + a
It is a problem of machine error. If you have learned numerical analysis lessons, you will notice that big number will 'eat' sma...

2 years ago | 0

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Answered
how to process the data in a file and repeat the procedure for different folders?
Here is an example for reading files and changing its content q = 0.1:0.1:2; folder = arrayfun(@(i)['surface\',num2str(q(i)),'...

2 years ago | 0

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Answered
About the use of find
Find is not at all faster than logical inices. IF you know how to use logical indices to get elements from matrix. I believe yo...

2 years ago | 0