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how to perform Numerical differentation
Suppose I can generate infinitely many values of x and f(x). Now I need the value of f'(x) at x=1. What is the best way to find ...
10 years 前 | 1 个回答 | 0
1
个回答提问
variable name by cancatation in matlab
I want to set c1=1; c2=4; c3=9; c4=16; How to do this in the following way for i=1:4 ci=i^2; end ...
11 years 前 | 1 个回答 | 0
1
个回答提问
How to view calculations step by step?
I want to show a long calculation in step by step e.g., 6+4-2^3+32^(1/5) =6+4-8+2 =10-8+2 =2+2 =4 But Matlab calcula...
12 years 前 | 1 个回答 | 0
1
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How can I specify the inequality signs in the function call?
My program is like that if 2x-5y-6<=0 && 4x-6y+7>=0 ........ end I want a function file for that. functio...
12 years 前 | 1 个回答 | 0
1
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how to put heading for columns of matrix?
I want to put a heading for each column of a output matrix like I J K 2 3 4 4 5 4 3 8 7
12 years 前 | 3 个回答 | 0
3
个回答提问
how to collect the coefficients of a matrix?
syms m A=[6*m 2*m] Then how to collect only the coefficients of m in A in a matrix, i.e., i need ans= 6 2
12 years 前 | 1 个回答 | 0
1
个回答提问
How to write the matrix with blank element?
for i=1:10 if i~=6 T(i)=2*i else T(i)= __ %(i want to leave it blank) end end T Is this possible in M...
12 years 前 | 4 个回答 | 0
4
个回答提问
How to display equation of the line in the figure?
I need to indicate the corresponding equations of the lines within the figure. How to do this? Please look at the attached file....
12 years 前 | 2 个回答 | 0
2
个回答提问
Absurd result. Where is the problem?
Please run the attached file and look at the values of dddd, dddd1 and dddd2. Value of dddd1 is expected to be 0. But it shows a...
12 years 前 | 1 个回答 | 0
1
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How to display the coordinate of the point in the figure
for i=15:55 for j=2:9 plot (i,j) end end for the above program, I want to display the coordinate of the point near the po...
12 years 前 | 3 个回答 | 0
