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Help with Central Difference Code
I am trying to create a code to solve for the heat transfer through an exhaust system. I have inserted a picture below of a simi...
8 years 前 | 1 个回答 | 0
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Help with LU Decomposition and Eigenvectors
Okay, this is a two part question and it is more theoretical. >> A=[12 -0.4 7; 6 -3.2 0.5; 2 -1 5], b=[1;1;1]; Question...
10 years 前 | 1 个回答 | 0
1
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Second Derivative using diff
I have a quick question concerning second derivatives using the diff function. So, after I put in my x and y arrays I did ...
10 years 前 | 2 个回答 | 0
2
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Vectors Are Not Lining Up
Hello, I am having a bit of difficulty with this problem. When I run my code I get an error saying that my vectors are not th...
10 years 前 | 1 个回答 | 0
1
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Problem with code. Error using vertcat
Hello, I am having difficulty with a code. Every time I run it, it tells me that I have an error using vertcat. I'm not quite su...
10 years 前 | 1 个回答 | 0
1
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Linear Equations Problem involving Matrices
I'm having a bit of difficulty getting my code to work. The problem I need it for is as follows: In a Cartesian Coordinate sy...
10 years 前 | 0 个回答 | 0
0
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Help with nxn matrices
I am having a bit of trouble with an nxn matrix problem. The problem is: Write a user-defined MATLAB function that calculate...
11 years 前 | 2 个回答 | 0
2
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Trouble getting the correct graph
I am having trouble obtaining the correct graph for the given problem: Plot the function f(x)= (0.5x^3-x^2)/(x^2-x-20) for -1...
11 years 前 | 1 个回答 | 0
1
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Creating a new matrix from an existing matrix
My original matrix is a 4x6 matrix. However, I need to extract part of this matrix to make a new 3x4 matrix. For this new matrix...
11 years 前 | 1 个回答 | 0
1
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How can I append multiple elements to the end of a vector?
When creating a random vector how can I create a new vector with all of the same elements of the first vector, but with the elem...
11 years 前 | 1 个回答 | 0
1
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How can I create a vector that has all of the elements of a random vector, but will add 1 to each of the odd elements?
I created a row vector of 20 random integers from 0-50 and would now like to create a new vector which has all of the elements o...
11 years 前 | 1 个回答 | 0
