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Melissa


Last seen: 4 years ago |  Active since 2011

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I enjoy learning mathematics but have a hard time in any programming skills. I have a BS in mathematics with a minor in Astronomy from EMU. I hope one day to work for NASA but that dream is quickly fading. Also I am w running/workout health nut and am currently training for the Marine Corps Marathon in October.
Professional Interests: interpolation. optimization

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writing a conditional for loop
Good Morning, I am having a little trouble with my for loop and was hoping someone would be so kind to assist me. Given a set...

10 years ago | 1 answer | 0

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exporting listbox to excel while adding spaces in between variable names
Good Morning All, I have created a GUI which uses a listbox of some parameter names. I am looking to export the parameters ch...

10 years ago | 2 answers | 0

2

answers

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plotting multiple variables in a listbox
Good Morning, I am trying to plot all variables selected in a listbox in a matlab gui. I seem to be overwriting the variables w...

10 years ago | 2 answers | 0

2

answers

Question


rms correction factor for fft
Good Afternoon All, I am looking to apply a correction factor to the fft for a hanning window. I have looked and have seen 2*...

10 years ago | 1 answer | 0

1

answer

Question


for loop for multiple functions and output
Good Morning All, Probably a silly question for most programmers but I am trying to create a loop that will run through two m...

10 years ago | 2 answers | 0

2

answers

Question


Exaggeration Factor for FFT
Good Afternoon All and Happy New Years!! I was just wondering if anyone could assist me or provide me with a reference on wha...

11 years ago | 1 answer | 0

1

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creaing a loop with symbols
Good Morning All, I am trying to make a loop using the sym function. Given the information for a spline interpolation (mmkp f...

11 years ago | 1 answer | 0

1

answer

Question


finding coefficients for interpolation function
Good Morning All, I have created a function called interpolation which gives the user an option to choose between linear, cub...

11 years ago | 3 answers | 0

3

answers

Question


normalizing constant of a column and inverse matrix understanding
Good Morning All, I am attempting to find the Torque Roll Axis given the equations below. According to my understanding the T...

11 years ago | 1 answer | 0

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Question


plotting new axis given a DCM
Good Morning, If I am given a coordinate system centered at [0,0,0] and have obtained the cosines of the angles (DCM) how can...

11 years ago | 0 answers | 0

0

answers

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finding principal axis and moments of inertia tensor using eig function
Good Morning, I am trying to calculate the principal moment of inertia as well as the principal axis of inertia. If I am g...

11 years ago | 1 answer | 1

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Question


directional cosine matrix for coordinate transformation
Good Afternoon All, I know this is highly engineering based but the photo shown below is a reference paper to calculate the T...

11 years ago | 0 answers | 0

0

answers

Question


indexing error for loop: "In an assignment A(I) = B, the number of elements in B and I must be the same."
Good Afternoon, I am having a bit of trouble with my for loop. I have two data sets of A and B with a different number of row...

11 years ago | 1 answer | 0

1

answer

Question


Cross Product and Vector Multiplication
If i have the following 4 vectors: D=Ax(B*C) How would I solve for C? Try and make this a tab bit more clear. I have A ...

11 years ago | 4 answers | 0

4

answers

Question


multiplication of multiple matrices
Good Afternoon, I know this is probably a silly question to ask but if I have matrices A, B, C and D. With the equation D...

11 years ago | 1 answer | 0

1

answer

Question


matching matrices sizes using if statements
Good Afternoon, I was wondering if someone could assist me on an if condition. I have two data sets A [nx3] and B[mx3]. I wou...

11 years ago | 1 answer | 0

1

answer

Question


Activate toggle button from pushbutton matlab GUI
Good Afternoon All, I have made a two "tab" GUI which is actually activated by using the visibility settings in a toggle swit...

11 years ago | 1 answer | 0

1

answer

Question


Transformation matrix using Rotation Matrix producing identity
Good Afternoon All, I am trying to find a transformation matrix from a local coordinate system to a global system using Euler...

11 years ago | 1 answer | 0

1

answer

Question


normalizing constant of a column
Good Morning All, Probably one of the most simplest questions I have ever asked but when normalizing the first column of a ma...

11 years ago | 1 answer | 0

1

answer

Question


How does matlab normalize its eigenvectors?
Good Afternoon All, I am currently working with a mass-stiffness problem where I have two matrices M and K. Solving the eigen...

11 years ago | 1 answer | 0

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answer

Question


for loop indexing problem
Good Afternoon All, I seem to be having trouble with my indexing for a for loop. I am getting the same values every time the ...

11 years ago | 1 answer | 0

1

answer

Question


matrix multiplication and transposing zeroing out problem
Good Afternoon All, I am trying to calculate the stiffness matrix of a powertrain mount. I am having issues when applying my tr...

11 years ago | 2 answers | 0

2

answers

Question


matrix dimension error for interpolation in loop
Good Afternoon All, I seem to be having a bit of trouble with matrix dimensions agreeing (I know rookie mistake). I am using ...

12 years ago | 1 answer | 0

1

answer

Question


storing values in a loop
I have a function of the following and it only gives the last value. I want to see a vector of Nf and pf. I tried inserting i. F...

12 years ago | 1 answer | 0

1

answer

Question


Matlab Compiler error (cpp files)
[EDIT: 20110716 09:13 CDT - reformat - WDR] Good Morning All, Very new to the Matlab programming or any programming for ...

12 years ago | 1 answer | 0

1

answer

Question


Matlab Cart2pol plotting help
Good Afternoon All, I have been taking a perfect circle and applying displacement to the circle and then converting to polar ...

12 years ago | 1 answer | 0

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answer

Question


Passing two subfunction variables in GUI to another function
Good Afternoon All, I have been searching matlab documentation and forums for a way to properly pass data from a subfunction...

12 years ago | 2 answers | 0

2

answers

Question


Multiple fig files into one GUI with Tabs.
Good Afternoon All, I have created three different .fig files in matlab Guide and want to combine them into a single GUI with...

12 years ago | 4 answers | 1

4

answers

Question


declaring variables for codegen
Good Morning All, I was wondering if anyone had an easy to follow of indepth explanation of how to properly declare the varia...

12 years ago | 1 answer | 0

1

answer

Question


switch case
Good Morning All, I have been trying to understand the function reference for matlab switch case and cannot figure out what i...

12 years ago | 1 answer | 0

1

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