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Noah Poole


2017년부터 활동

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How to select specific time frames from data?
I need to isolate the data between 7am-9am and 8pm-12am from a large set of 24-hour data that runs over a year. I'm not sure how...

거의 6년 전 | 답변 수: 2 | 0

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trouble with plotting dates on x-axis
I'm using the following code: %Question 2 %First load data into script date= brisbanecbdaq2010(:,1) pollution= bri...

거의 6년 전 | 답변 수: 1 | 0

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Multiple linear regression using 8 predictor variables?!
Hi, I have been asked to predict the compressive strength of concrete using 8 variables, that all influence this value. I have ...

거의 6년 전 | 답변 수: 1 | 0

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How to plot date and time data on the same axis?
I have an excel file that has a column for date, time and pollution levels. I want to plot the date AND time on the x-axis and t...

거의 6년 전 | 답변 수: 1 | 0

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How to plot the Total emission curve of the sun?
Hi everyone, I have been trying to plot the total emission curve of the sun using planks formula: using this code: w= 300:0.5...

대략 6년 전 | 답변 수: 1 | 0

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Code wont work keeps giving error message: Argument to dynamic structure reference must evaluate to a valid field name.
this is my code: t=0:0.001:10; wn= 0.898; a= 0.843; z= 0.005122; wd=0.897; y= a*(exp.(-z*wn*t))*(sin(wd*t)) and I kee...

거의 7년 전 | 답변 수: 2 | 0

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How do I make a function file that can calculate the modified eulers method?
I have to create a function file that can use the modified eulers method to calculate for any ode. It is supposed to work like t...

대략 7년 전 | 답변 수: 1 | 0

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