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Lisa Lee


Last seen: 2 months ago |  Active since 2017

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Question


Help function for comments not working
Below is the script named ConeVol. After I saved the script and typed the statement of, help ConeVol, in the command window, I d...

7 years ago | 1 answer | 0

1

answer

Answered
plot and axis function
I got it now. Thank you so much!

7 years ago | 0

Answered
plot and axis function
What I don't understand is why not axis([1 100 -1.1 1.1]) instead of axis([0 100 -1.1 1.1])? The default x array is the index nu...

7 years ago | 0

Question


plot and axis function
I am confused about how plot and axis functions are used here. Normally, plot should be used as plot(time, ySound), but here plo...

7 years ago | 3 answers | 0

3

answers

Question


fprintf('One number is %f\n', 436598989898987.124132)
I am wondering if someone can explain why after I input the command below: fprintf('One number is %f\n', 436598989898987.1241...

7 years ago | 1 answer | 0

1

answer

Question


Is the speed of Variable Precision always faster than a Double Precision?
I am reading the link below: <https://www.mathworks.com/help/symbolic/choose-symbolic-or-numeric-arithmetic.html> Is the s...

7 years ago | 2 answers | 0

2

answers

Question


Is there a way to get rid of all the ";" in the script?
If you know there is an easy way to get rid of all the ";" in a script, please let me know. Thank you.

7 years ago | 1 answer | 0

1

answer

Question


Why does sprintf('%0.7g', pi) only print out 6 decimal places?
I don't understand why sprintf('%0.7g', pi) only prints out 6 decimal places, since it is given a "7". Can someone please help m...

7 years ago | 1 answer | 0

1

answer

Question


help to fix this numeric symbolic array
I need some help with the code below: scaleFactors = [ 3.4, 2.3; 1.7, 1.9 ] xMatSym = sym('X',[ 2, ...

7 years ago | 1 answer | 0

1

answer

Question


symbolic, vpa and double decision
I am reading the link below: <https://www.mathworks.com/help/symbolic/choose-symbolic-or-numeric-arithmetic.html> I wrote ...

7 years ago | 1 answer | 1

1

answer

Question


Function [output]=FunctionName(input)
I don't understand why sometimes a pair of brackets is used when a function is created. I have seen it in two cases: 1. the o...

7 years ago | 2 answers | 1

2

answers

Question


Editor/Debugger show the column line numbers
I am curious, since the editor shows the line numbers, can it show the column line numbers too? Thank you,

7 years ago | 1 answer | 0

1

answer

Question


simplify(~(~(x | y) & ~(y | z)))
I don't understand why it is equivalent to x | y | z . Can someone please help to explain this to me?

7 years ago | 1 answer | 0

1

answer

Question


Size of a structure
After I looked at the Example1 below, I thought the size of a structure was the same as the size of the largest field. However, ...

7 years ago | 2 answers | 0

2

answers

Question


What is the difference between %d and %i?
I am wondering what the difference is between %d and %i. For fprintf, they are the same. If there is no difference at all, then ...

7 years ago | 1 answer | 0

1

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