# thoughtGarden

### BYU, Raytheon, General Atomics

All human wisdom is contained in these two words - Wait and Hope

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**Content Feed**

Logarithmic value scaling in image-function

Are trying to scale the colors so that changes are exaggerated? Here is an example of what you could do: C = [1 2 3; 4 5 6; 7 8...

2 years ago | 0

matrix contain index track

The only way I'm aware of you have arrays within another indexed structure is to use cells. I'm not sure exactly what you are tr...

2 years ago | 0

| accepted

Logaritmic scale in contour map via Matlab.

You can set the scale to log like so: set(gca,'xscale','log','yscale','log');

2 years ago | 0

How to pause code till specific key is pressed?

Seems like you could do this more easily like this: [x,y] = ginput(2); This allows you to get the data for two locations bef...

2 years ago | 0

What should I use instead of cd?

Your use of fullfile should be this: fullfile(basedir, Subjectids{n}, data_dirs{n},'TOM') Also, why are you trying to avoid us...

2 years ago | 1

Simulink mask port names

Select Opaque with ports on the Icon transparency drop down in the Mask Editor on the Icon & Ports Tab. This will take the...

2 years ago | 1

| accepted

How do i produce a warning and an error for the user

The task is to... sounds like homework! I'll provide some food for thought You currently only check for absolute values if the...

2 years ago | 1

system with time delay

This answer has been updated to better match the OP. doc ss %search for "InternalDelay" and "OutputDelay" % Define Delays t...

2 years ago | 0

Nested For Loop Equation

Tis quick and dirty, but this work... clear;clc; N = primes(100); newVect = zeros(size(N)); for ii = 1:length(N) ...

2 years ago | 1

| accepted

How can I device a time series A by a Time series B if they are the same size?

Time series division is the same as general variable division >> timeS1 = timeseries(linspace(1,2)); >> timeS2 = timeseries(li...

2 years ago | 0

Image Processing - Measuring geometric sizes in the image

You may be interested in this function: https://www.mathworks.com/matlabcentral/fileexchange/7173-grabit Seems like what you ...

2 years ago | 0

Having trouble getting a for loop to create similar matrices (error "Index in position 1 exceeds array bounds (must not exceed 1).")

The issue stems from: L0(Elements(i,1),1)=1; Elements is a single row vector and thus when i iterates to 2, it fails. I'd guessi...

2 years ago | 1

How to order 'n' no of populations in ascending order based on their fitness for a minimization objective in matlab

I'm assuming you already have the fitness of each population according to the minimization objective. If this is the case, you w...

2 years ago | 0

| accepted

Solved

Flip the vector from right to left

Flip the vector from right to left. Examples x=[1:5], then y=[5 4 3 2 1] x=[1 4 6], then y=[6 4 1]; Request not ...

2 years ago

How to store the results from a for loop into a matrix?

Note that there area some poor practices in place here, but with the most minimal change to what you already have is to create a...

2 years ago | 1

| accepted

Solved

Interpolator

You have a two vectors, a and b. They are monotonic and the same length. Given a value, va, where va is between a(1) and a(end...

2 years ago

Solved

DNA N-Gram Distribution

Given a string s and a number n, find the most frequently occurring n-gram in the string, where the n-grams can begin at any poi...

2 years ago

A number contain in a series.

You haven't provided enough information to be certain of what you want, but makeing some assumptions, this should work. clear;c...

2 years ago | 0

Solved

Pizza!

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

2 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:...

2 years ago

Lower cutoff frequency for signal processing (filtering ) of LVDT and strain gauge data?

It sounds like a low pass filter is all that is needed. There are several considerations in selecting low-pass cutoff frequencie...

2 years ago | 0

could anyone help me how to group the numbers into sets

Its not clear what you are trying to accomplish. If you want to create a cell array where each matrix value is a cell, then the ...

2 years ago | 0

Question

unwrap() command resulting in phase bump

I have raw phase and gain data where the phase data wraps at 90deg (expected). When I tried to unwrap the data for plotting I no...

2 years ago | 0 answers | 0

### 0

answersQuestion

Prompt for user input not working with Simulink...

When I prompt for user input via a script that runs at the start of a Simulink model (the script is placed in the Callbacks>Star...

5 years ago | 0 answers | 1