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Aaron


Active since 2012

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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...

7 years ago

Solved


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:...

7 years ago

Question


How can I run multiple bisect programs in one file?
I have created bisection function files (five) and would like to combine them into one file to run. Below are the first 3. ...

7 years ago | 0 answers | 0

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Is it possible to use the bisection method?
I'm having a difficult time setting up my code. Here is a quick rundown of what I'm trying to do: I have a set(4) of equat...

7 years ago | 1 answer | 0

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answer

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What does this error mean and how do I fix it?
I received the following error and am not sure how to correct it? I've copied my 3 function files below. This thing is reall...

8 years ago | 0 answers | 0

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Why is this function not working?
I set the following function in my command window: f=@(x) 0.2+25*x-200*x^2+675*x^3-900*x^4+400*x^5; Then I created anoth...

8 years ago | 2 answers | 0

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answers

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Need some help with equation error, please.
I've set up the following two files to run an electrical potential problem and one of the variables that I'm using involves usin...

8 years ago | 1 answer | 0

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answer

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Golden Search method file consolidation
I had created two files (function and main) for a golden search problem. I would like to make just one file, type it in the com...

8 years ago | 0 answers | 0

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How to plot the input variables vs functions using input variables?
I've tried to plot f(N) vs N but I am unable to get any lines on the graph. Just some spots. I need to plot the function using...

8 years ago | 0 answers | 0

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What am I doing wrong with this?
I'm trying to create a bisection method to solve a function, and I thought I knew how to set it up. But now I just don't know! ...

8 years ago | 1 answer | 0

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answer

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Using the bisection method
I'm not sure if I used the bisection method correctly. Do I have to have two separate .m files? Is the code below okay? T...

8 years ago | 0 answers | 0

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answers

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Can't figure out where my mistake is?
Trying to solve boundary value problem. I have a template to work off of but I'm not sure where I am coding wrong. functio...

8 years ago | 1 answer | 0

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answer

Question


How to interpret boundary conditions for matlab?
I know that these are called Danckwerts Boundary conditions but I still don't understand. Uc = Uc(x=0) - D*dc/dx (x=0) dc/...

8 years ago | 0 answers | 0

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Using "bvp4c" to solve 2nd order DE?
I was told that using a template and changing a few things would provide me with an answer to a 2nd order DE, using bvp4c. But ...

8 years ago | 0 answers | 0

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Question


I'm not sure what else I'm missing?
I've been trying to solve an ODE using ode45 and here is my code: function dydt = odepro4(t,y) t = 0; y = 1; dydt = (y.*...

8 years ago | 1 answer | 0

1

answer

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How can I get my script to run properly?
I was initially having trouble with my function, but now since that is running okay, my script is not. It involves a for loop a...

8 years ago | 1 answer | 0

1

answer

Question


How do I get this function program to display "v" instead of "ans"?
function v = piecewise_fun(t) if 0 <= t & t <= 8 v = (10.*t).^2 - (5.*t) elseif 8 <= t & t <= 16 v = 624 -...

8 years ago | 1 answer | 0

1

answer

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Could someone check my work?
I've created a function that will calculate a piecewise function to be called on. I want to make sure that it is okay. Here ...

8 years ago | 2 answers | 0

2

answers

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I need some assistance with my function program?
I'm not sure where my mistakes are. The following is my main program: a = input('Enter value for side a: '); if ...

9 years ago | 2 answers | 0

2

answers

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How would I modify the output for the answers in the program I've written?
I've created a simple program to convert inches to centimeters and pounds to kilograms and I would like to reduce the number of ...

9 years ago | 1 answer | 0

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Question


How do I get the command prompt to start on a new line in my command window.
After I enter my program to test, the ">>" appear immediately after the answer and not on a new line.

9 years ago | 1 answer | 0

1

answer

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How to get the the program to stop?
I'm creating a program and need it to stop at a prompted number. if true % code end *n = input('Enter number of ...

9 years ago | 0 answers | 0

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answers

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I need to find out what this program is missing
I'm trying to use this program to calculate the cos of a given(prompted) angle in degrees. A=input('Enter angle:'); x=(p...

9 years ago | 1 answer | 0

1

answer

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Need some assistance with creating a program
I need to create a *while loop* program to calculate cos(x) accurate to 6 digits after decimal using: cos(x)=1-(x^2/2!)+(x^4/...

9 years ago | 1 answer | 0

1

answer

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Assistance with creating multidimensional matrices
I have created a program shown below: Rows = input('Enter the number of rows in the matrix: '); Columns = input('Enter the ...

9 years ago | 1 answer | 0

1

answer

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'For loop' for beginners
I'm having a hard time figuring out the for loop command. I want to create a .m file that will prompt a user to enter an array ...

9 years ago | 3 answers | 0

3

answers

Question


How to keep my complex root answers un-simplified?
I've created a formula to calculate complex roots in editor and have the following: a=input('Enter the value for a: '); ...

9 years ago | 1 answer | 0

1

answer

Question


How do I change the display of my answers if condition is not met?
Here is what I have so far: *format compact a=input('Enter value for side a: '); if a <= 0...

9 years ago | 1 answer | 0

1

answer

Question


I keep getting a syntax error with my program???
I'm creating a program that identifies x and y coordinates in a Cartesian coordinate system. *x=input('Enter value for x: '...

9 years ago | 2 answers | 0

2

answers

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Need some assistance with "if" command
I'm trying to get my program to stop completely when given an invalid response after entering the side lengths. I've created th...

9 years ago | 3 answers | 0

3

answers

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