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Isktaine


Univ of Bath

Con actividad desde 2012

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

alrededor de 8 años hace

Pregunta


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...

alrededor de 11 años hace | 2 respuestas | 1

2

respuestas

Pregunta


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 ...

más de 11 años hace | 1 respuesta | 0

1

respuesta

Pregunta


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...

más de 11 años hace | 1 respuesta | 0

1

respuesta

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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...

más de 11 años hace | 1 respuesta | 0

1

respuesta

Respondida
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 ...

más de 11 años hace | 0

Pregunta


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...

más de 11 años hace | 0 respuestas | 0

0

respuestas

Respondida
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

más de 11 años hace | 0

Respondida
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)...

más de 11 años hace | 0

| aceptada

Respondida
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...

más de 11 años hace | 1

Respondida
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...

más de 11 años hace | 0

Pregunta


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...

más de 11 años hace | 1 respuesta | 0

1

respuesta

Resuelto


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 ...

más de 11 años hace

Resuelto


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...

más de 11 años hace

Resuelto


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...

más de 11 años hace

Resuelto


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

más de 11 años hace

Resuelto


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

más de 11 años hace

Resuelto


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 ...

más de 11 años hace

Resuelto


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...

más de 11 años hace

Resuelto


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:...

más de 11 años hace