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Isktaine


Univ of Bath

自 2012 起处于活动状态

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Mathematician in disguise as a Mechanical Engineer who dabbles in programming and enjoys daily battles with MATLAB. Studying for a PhD. Self confessed queen of the nerds.

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已解决


Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

8 years 前

提问


Multiple anonymous functions combined
Hi, I am trying ultimately to be able to define a new anonymous function from two previously defined functions, and pass this...

11 years 前 | 2 个回答 | 1

2

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提问


Slowing of program when adding legend.
Hi, I'm plotting 4 functions in one graph and then adding a legend. For some reason adding the legend is really slowing the ...

11 years 前 | 1 个回答 | 0

1

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提问


Subplot without stretching images?
Hi, I have three figures and want to combine them in a long rectangular image so they can be viewed side by side. I've used s...

11 years 前 | 1 个回答 | 0

1

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提问


Using structures instead of vectors?
Hi, I'm using ode45 and passing the solutions into another function. Currently I am using the notation [x,A]=ode45('ode...

11 years 前 | 1 个回答 | 0

1

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已回答
Differences between script and function file
A script file will run one line after another, and all the information is available to your workspace in MATLAB. For example if ...

11 years 前 | 0

提问


Infinite loop in a interpl?
Hi, While solving an ode with ode45 I use a spline like this: X_0 = interp1(r(:,1),r(:,2),x,'spline'); However somet...

11 years 前 | 0 个回答 | 0

0

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已回答
how to turn decimal numbers to integers
Assuming your results are stored in A then: fix(A) see http://www.mathworks.co.uk/help/techdoc/ref/fix.html

11 years 前 | 0

已回答
How do I solve a system of equations?
You need to have a function which the ode solvers can act on. [t,y] = ode45('YourODEFunction', [0 50], [a(0) b(0) c(0) d(0)...

11 years 前 | 0

| 已接受

已回答
replacing NaN with it previous element
Save this function then use it on K: function K = RemoveNaNs(K) [rows,cols]=size(K); %Works out how many rows and co...

11 years 前 | 1

已回答
Plot several series in the same chart
You can still plot them on the same graph, you just need to make your x vector smaller. For example %Plot your first 100 p...

11 years 前 | 0

提问


Dimension mismatch in defining a function for use in ode45
Hi, I'm solving a system of ODEs with ode45. I would like to have extra (non integrated) parameters out of the function as in...

11 years 前 | 1 个回答 | 0

1

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已解决


Column Removal
Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; and ...

11 years 前

已解决


Swap the first and last columns
Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...

11 years 前

已解决


Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

11 years 前

已解决


Is my wife right?
Regardless of input, output the string 'yes'.

11 years 前

已解决


Add two numbers
Given a and b, return the sum a+b in c.

11 years 前

已解决


Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

11 years 前

已解决


Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

11 years 前

已解决


Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

11 years 前