Add the ::ith constructor for vectors.
This initializes a vectors to zero except the i-th element set to a given value.
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@ -1011,6 +1011,14 @@ where
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N: Scalar + Zero + One,
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DefaultAllocator: Allocator<N, R>,
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{
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/// The column vector with `val` as its i-th component.
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#[inline]
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pub fn ith(i: usize, val: N) -> Self {
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let mut res = Self::zeros();
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res[i] = val;
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res
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}
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/// The column vector with a 1 as its first component, and zero elsewhere.
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#[inline]
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pub fn x() -> Self
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