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Elisa


Last seen: 22 days 前 |  自 2024 起处于活动状态

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统计学

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trying to extract the months to create a format looks like 202404, how to do that ?
Date=datetime(raw.textdata(2:end,1),'InputFormat','dd-MMM-yy');%convert the data to date time yr = year(Date); % Extract the...

1 month 前 | 0 个回答 | 0

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pls help me fix this i trying to find the earning and savings of it trough loops but it say the index exceed numbers of array
savings=[];%initial saving vectors earnings=zeros(1,1212);%initial earning vectors T_earnings_Jul=0;%initial total earning vec...

1 month 前 | 1 个回答 | 0

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trying to extract the months to create a format looks like 202404, how to do that ?
Date=datetime(raw.textdata(2:end,1),'InputFormat','dd-MMM-yy');%convert the data to date time yr = year(Date); % Extract the...

1 month 前 | 4 个回答 | 0

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I am trying to convert the date data from the CSV file to datetime, but it shows error, how do I fix this
dates=string(raw.textdata(2:end,1));%import the string dates from the data dates=datetime(dates,'InputFormat','dd/MM/yy'); %con...

2 months 前 | 2 个回答 | 0

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having the same problem about the arrays
daily_savings=zeros(1505,1);%initial saving vectors daily_earnings=zeros(1505,1);%initial earning vectors % Loop through each ...

2 months 前 | 1 个回答 | 0

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Two variable has the same array of 1 but the code show error
self_suf=Production./T_Consumption;%self sufficiency days_a50=sum(self_suf>0.5);%days with self sufficency above 50% avg_produ...

2 months 前 | 1 个回答 | 0

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my graph won't show the exponential graph as the alpha value is 0, can someone help fix this problem?
i found that the a0 vlues will be the same value as the exponential e(1), which is why that causes alpha to be 0, but how to fix...

2 months 前 | 0

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my graph won't show the exponential graph as the alpha value is 0, can someone help fix this problem?
%a cockrach=importdata('cockroach_population.xlsx'); num_cockrach=cockrach.data; days=num_cockrach(:,1); cockraches=num_cock...

2 months 前 | 1 个回答 | 0

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The same plotting problem, it is appear that one of the marker does not show on the graph but it should have been properly plot and the legend has shown properly too
% Plot figure; plot(l_new, angular_a_n, 'b'); xlabel('Arm Length (m)'); ylabel('Angular Acceleration (rad/s^2)'); title('An...

3 months 前 | 3 个回答 | 0

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i try to put two plot in one graph using legend but one of them just looks been 'cut off', can someone help me to fix this problem
x0=2.1; g=9.81; k=45; m=7; t=0:0.1:6; x1=@(t) x0*cosd(t*(sqrt(k/m))); x_t_undamped=x1(t); %ii figure plot(x_t_undamped,...

3 months 前 | 2 个回答 | 0

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my for loop stop after the first valid number has been found how do i fix this
I am new to Matlab, just learned the for loop, basically the loop run properly, but stop after the first valid number has found....

3 months 前 | 1 个回答 | 0

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