# Melissa

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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**Content Feed**

Question

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...

6 years ago | 1 answer | 0

### 1

answerQuestion

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...

7 years ago | 2 answers | 0

### 2

answersQuestion

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...

7 years ago | 2 answers | 0

### 2

answersQuestion

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*...

7 years ago | 1 answer | 0

### 1

answerQuestion

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...

7 years ago | 2 answers | 0

### 2

answersQuestion

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...

7 years ago | 1 answer | 0

### 1

answerQuestion

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...

7 years ago | 1 answer | 0

### 1

answerQuestion

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...

7 years ago | 3 answers | 0

### 3

answersQuestion

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...

8 years ago | 1 answer | 0

### 1

answerQuestion

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...

8 years ago | 0 answers | 0

### 0

answersQuestion

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...

8 years ago | 1 answer | 1

### 1

answerQuestion

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...

8 years ago | 0 answers | 0

### 0

answersQuestion

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...

8 years ago | 1 answer | 0

### 1

answerQuestion

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 ...

8 years ago | 4 answers | 0

### 4

answersQuestion

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...

8 years ago | 1 answer | 0

### 1

answerQuestion

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...

8 years ago | 1 answer | 0

### 1

answerQuestion

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...

8 years ago | 1 answer | 0

### 1

answerQuestion

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...

8 years ago | 1 answer | 0

### 1

answerQuestion

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...

8 years ago | 1 answer | 0

### 1

answerQuestion

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...

8 years ago | 1 answer | 0

### 1

answerQuestion

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 ...

8 years ago | 1 answer | 0

### 1

answerQuestion

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...

8 years ago | 2 answers | 0

### 2

answersQuestion

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 ...

8 years ago | 1 answer | 0

### 1

answerQuestion

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...

8 years ago | 1 answer | 0

### 1

answerQuestion

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 ...

9 years ago | 1 answer | 0

### 1

answerQuestion

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 ...

9 years ago | 1 answer | 0

### 1

answerQuestion

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...

9 years ago | 2 answers | 0

### 2

answersQuestion

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...

9 years ago | 4 answers | 1

### 4

answersQuestion

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...

9 years ago | 1 answer | 0

### 1

answerQuestion

switch case

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

9 years ago | 1 answer | 0