Setting a variable with multiple requirements

Asked Jun 10 '20 at 20:18

Active Jun 10 '20 at 20:26

Viewed 32 times

-Disclaimer, I'm new to Python

I'm trying to set a variable to have multiple requirements and I want the outcome to be a boolean value True only when every variable meets the requirements. Sorry if this doesn't make sense, I'm new to these terms. Here's my code:

group2 = (color > 1.9 and color < 5) & (mag2 > 23.2 and mag2 < 21.5)

and I'm getting this error:

The truth value of an array with more than one element is ambiguous. Use a.any() or a.all()

I'm not sure where to put the a.all(). Edit: color and mag2 are floats in numpy arrays.

edited Jun 10 '20 at 20:26

asked Jun 10 '20 at 20:18

jazzy pig

2

There are hundreds of questions about that error message. Did you try searching for others? – Barmar Jun 10 '20 at 20:19
A little, yes. But I should probably do some more digging. – jazzy pig Jun 10 '20 at 20:21
what's the data type of color and mag2 variables ? – Pavan Kumar Polavarapu Jun 10 '20 at 20:21
@PavanKumarPolavarapu From the error, it appears that these are numpy arrays. – Barmar Jun 10 '20 at 20:23
Replace `and` with `&` – Mad Physicist Jun 10 '20 at 20:30

Setting a variable with multiple requirements

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