質問


how do I concatenate mat files matlab
I have hundreds of MAT files and i want to concatenate all these files to a single file,each MAT file has dimension of 69x128,he...

11年弱 前 | 1 件の回答 | 0

1

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質問


Read data using xlsread and store in a variable
Hi I have an Excel file with 1000 rows and i want to pick 30 random rows from it, i used xlsread command to read the excel data ...

11年弱 前 | 1 件の回答 | 0

1

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質問


How to convert .xlsx file to .mat larger than 200 mb
Hi, I have a file with 65536 rows and almost 1800 columns that makes my excel file to approx 210 MBs and i want to convert it in...

約11年 前 | 1 件の回答 | 0

1

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質問


plot in different ranges for x
i want to plot a function say sin(x) for the interval 0:30 and then i want to continue this plot for some other function say ax+...

11年以上 前 | 2 件の回答 | 0

2

回答

質問


store values in array in nested for loop
ss=1; for i = 1:2 for j = 1:5 T = norm(r2(j,:)-r1(i,5:end)); % reading 2 excel files and r2 and r1 are ro...

11年以上 前 | 2 件の回答 | 0

2

回答

質問


Make my code for taking norm efficient
here is my code that is taking norm between 2 rows from 2 different excel files,it picks one row from my_first_file.xlsx and tak...

11年以上 前 | 2 件の回答 | 0

2

回答

質問


write data to excel for more than 26 (A-Z) columns
I am using xlswrite and wants to write data ranging from A column to ABC column,but when i specify the range A:ABC,i got an erro...

11年以上 前 | 2 件の回答 | 0

2

回答

質問


Iteratively selecting excel files
Hi,i have around 1500 excel files in a folder with almost 900 x 130 cells of data in each file and i want to read (xlsread) one-...

11年以上 前 | 1 件の回答 | 0

1

回答

質問


Chossing random data from xls files
I have hundreds of excels files in different folders with data on hundreds of records,I want to record the data to a single (exc...

11年以上 前 | 1 件の回答 | 0

1

回答

質問


Need to do ode45 for various values iteratively
Hi i am writing a code for ode45 for which i have to variate the value of "aplha",after each time the ode45 evaluates and the us...

11年以上 前 | 1 件の回答 | 0

1

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質問


Naming xls files corresponding to image in MATLAB
I have number of images in a folder. I have read these images, I am generating sift features and descriptors of these images and...

11年以上 前 | 1 件の回答 | 0

1

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質問


Read names of images from text file and read using imread
Hi, I have some images to read in MATLAB and the names of the images are stored in a text file please let me know how can I read...

11年以上 前 | 2 件の回答 | 0

2

回答

質問


for loop and xlswrite
Hi,i want to use xlswrite to write my data using for loop but the issue I am facing that if i have for loop with decimal interva...

11年以上 前 | 1 件の回答 | 0

1

回答

質問


I am Facing problem using ode45
I wrote this in m-file... function dx=FtnTest(t,x) dx=zeros(2,1); dx(1)=x(2); dx(2)=-52.1480*(-63.83...

11年以上 前 | 1 件の回答 | 0

1

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質問


Hi,I want to find maximum value from the plot of interpolation
clear all;clc; rng(4); x = [0.000000 2.038941 3.965975 5.988320 7.989983 10.024795 12.001537 14.023893 16.008968 18.002214 ...

12年弱 前 | 0 件の回答 | 0

0

回答

質問


plotting lines
i have a simple ques that if i have z-plane having x and y axes,and i express z=x+i*y,and x if fixed let say 5 any y=0:10 then h...

約14年 前 | 3 件の回答 | 0

3

回答

質問


what can i further do in my this code of linear shooting
function[]=LS(x,y) clc % Dy is the representation of y' %D2y is the representation od y'' D2y=inline('-(2/x)*Dy + (2/x^2)*y ...

14年以上 前 | 1 件の回答 | 0

1

回答

質問


How can i variate the index for the matrix input by the user in command window
Code: syms('a','b','A','n') fprintf('Enter the value of n:') n=input(' '); for a=1:n; for b=1:n; A(a,b)=input(...

約15年 前 | 1 件の回答 | 0

1

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