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1676 equations across 1477 symbols.

di(m2)≈∑j=1m1gj dj(m1),∥g∥0≪m1,m1<m2d_i^{(m_2)} \approx \sum_{j=1}^{m_1} g_j\, d_j^{(m_1)}, \qquad \lVert g \rVert_0 \ll m_1, \quad m_1 < m_2

1 published occurrence

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This equation gives an approximation: it relates the quantities while allowing an approximation.